Document:

Supply Agreement, dated April 14, 2005

  
 Exhibit 10.23

  
 CONFIDENTIAL 
  
 [CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONSOF THIS 
 DOCUMENT HAVE BEEN REDACTED AND HAVE BEEN SEPARATELY FILED 
 WITH THE COMMISSION] 
  
 AMENDED AND RESTATED SUPPLY AGREEMENT 
  
 This Agreement is
made as of April 14th, 2005 (the “Effective Date”) between Solon AG für Solartechnik (hereinafter “Solon”) and SunPower Corporation and its affiliates including SunPower Technology Limited (hereinafter
“SunPower” ) and revised as of November 10, 2005. 
  
 Recitals 
  
 Whereas, SunPower desires to supply
solar cells to Solon for its general use during calendar years 2006 through 2010; 
  
 Whereas, in exchange for SunPower’s supply of the solar sells, Solon desires to provide SunPower with customer advances in the aggregate amount of €30 million (the “Advances”), which SunPower will
use to fund facilities and equipment to manufacture the solar cells; 
  
 Whereas, SunPower is willing to supply the solar cells to Solon and Solon is willing to provide the Advances to SunPower upon the terms and conditions provided herein; and 
  
 Whereas, the parties have previously entered into a Supply Agreement dated as of April 14, 2005 and now desire to amend
such Supply Agreement in order to delete notes of a meeting which occurred prior to the Effective Date and contained no provisions relating to the agreement among the parties. 
  
 NOW, THEREFORE, in furtherance of the foregoing Recitals and in consideration of the mutual covenants and obligations set
forth in this Agreement, the Parties hereby agree as follows: 
  
 1 - Definitions 
  
 The following terms
used in this Agreement shall have the meanings set forth below: 
  
 1.1
“Agreement” shall mean this Supply Agreement and all appendices annexed to this Agreement as the same may be amended from time to time in accordance with the provisions hereof. 
  
 1.2 “Competitor” shall mean any manufacturer of crystal or silicon solar cells with annual revenue of US$*** million or more in
either of the two (2) previous calendar years. 
  
 1.3 “Equipment”
shall mean the solar cell manufacturing equipment listed on Appendix 1, which will be purchased by SunPower using funds from the Advances and installed in SunPower’s manufacturing facility in The Philippines. 
  

	1.4	“Facilities” shall mean the facilities required for the installation and operation of the Equipment. 

  

	1.5	“Minimum Monthly Quantity of Product” shall mean *** MWp per month. 

  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 1 of 9

  
 ***
CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION 

 CONFIDENTIAL 
  
 1.6 “Product” shall mean the A-300 solar cells manufactured by SunPower and sold to Solon pursuant to this Agreement. 

 
 1.7 “Term” shall mean the period during which this Agreement is in effect, as
more specifically set forth in Section 6 of this Agreement. 
  
 2 - Ordering 
  
 2.1 On the first working day of each
calendar month, Solon shall issue a purchase order (“Order”) to SunPower covering the next six (6) months of requirements for Product in which the first three (3) months are binding and the following three (3) months may be
modified by no more than twenty-five percent (25%) (“rolling forecast”). SunPower shall acknowledge each Order and confirm the scheduled delivery date within three (3) business days from the date of receipt of the Order.
Notwithstanding the foregoing, Solon shall be obligated to Order the Minimum Monthly Quantity of Product each month during the Term of this Agreement. 
  
 3 - Reserved Capacity and Supply Obligations 
  
 3.1 For calendar years 2006 through 2010, SunPower agrees to reserve for the benefit of Solon (the “Reserved Capacity”) a manufacturing capacity of at least
***MWp per year with the understanding that if the installed Equipment is capable of producing more than this quantity, Solon will have first priority on this additional capacity so long as Solon provides proper notice of its intention to purchase
all or part of this additional capacity through the Orders described in Section 2.1. 
  
 3.2 The Reserved Capacity is subject to SunPower receiving the Advances to fund the Facilities and the Equipment in its manufacturing facility located in The Philippines. 
  
 3.3 The Parties agree that if at the end of the year 2010 Solon has not Ordered or SunPower
has not delivered at least ***MWp of Product, then this Agreement will be automatically extended until the earlier of December 31, 2011 or such time as Solon takes delivery of ***MWp of Product in the aggregate if there is an absence of
material breach by SunPower during the Agreement’s duration. 
  
 3.4
Notwithstanding the foregoing, if, at any given time, Solon is not fully utilizing the production capacity of the Equipment, SunPower will be free to use the excess capacity of the Equipment to serve other customers, subject to maintaining priority
on the Reserved Capacity. 
  
 3.5 Subject to Solon Ordering the Minimum Monthly
Quantity of Product each month during the term of this Agreement, SunPower shall deliver pursuant to this Agreement at least *** MWp of Product during every three month Order period (the “Minimum Supply Amount”); provided however, that if
SunPower fails to deliver the Minimum Supply Amount, then SunPower may deliver any deficiency during the following three months (in addition to the Minimum Supply Amount for such following three month period) without breaching this section.

  
 4 - Price, Rebate and Delivery 
  
 4.1 SunPower agrees to supply the Product to Solon at a price of €***/Wp during calendar
year 2006. For each calendar year following 2006 up to and including 2010, SunPower shall reduce the price of the Product by *** and *** percent (***%) from the previous year’s price. If, however, Solon purchases less than *** MWp of Product in
any calendar year (where *** MWp less the procured amount is the “Carry-Over Amount”), then the price reduction for the 
  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 2 of 9

  
 ***
CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION 

 CONFIDENTIAL 
  
 following year shall be deferred until Solon purchases the Carry-Over Amount. In calculating whether such *** MWp test has been fulfilled in
any year, any purchases in that year to cover a prior year’s Carry-Over Amount shall not be counted. 
  
 4.2 The Parties agree that, starting in 20***, if silicon prices increase or decrease beyond a band of plus or minus *** percent (+/-***%), there will be a sharing of such increase or decrease beyond that band. For
purposes of determining this “adjustment”, the Parties have assumed that the price (the “Assumed Price”) of silicon per kilogram will be as follows: 
  

	 	•	20***: €*** 

  

	 	•	20***: €*** 

  

	 	•	20***: €*** 

  
 If, during any calendar quarter in the years shown above, the actual price of silicon is greater than *** percent (***%) of the Assumed Price for such year or less than *** percent (***%) of such Assumed Price, then
the amount of adjustment will be applied to the price for the Product or shared by some other mechanism to be determined by the Parties so that the Parties share equally the difference beyond such +/-***% variance. 
  
 4.3 In consideration of the Advances provided by Solon to SunPower, SunPower will provide
Solon a rebate equal to €***/Wp (the “Rebate”). By the fifteenth day of each calendar month, SunPower will provide Solon with a check in the amount of the total Rebates for deliveries of Product that Solon received in the prior month.
In no event shall the total of all Rebates under this Agreement exceed the amounts received by SunPower from the Advances. 
  
 4.4 The prices for the Products do not include any excise, sales, use, import, export or other taxes, which taxes will be invoiced to and paid by Solon, provided that
Solon is legally or contractually obliged to pay such taxes. SunPower and Solon will work together to eliminate the possibility of taxes, but if there are any assessed, SunPower shall promptly remit to Solon in full any such taxes paid by Solon
which are refunded to SunPower in whole or in part. In any event SunPower understands and agrees that the Products will be purchased for resale. Solon shall be responsible for all transportation charges, duties or charges for shipping and handling;
thus, the price for the Products shall not include any such charges. 
  
 4.5
SunPower shall not be responsible for loading the Products on any vehicle provided by Solon or for clearing the Products for export, unless otherwise agreed. Solon shall bear all costs and risks involved in loading and transporting the Products from
SunPower’s premises to Solon’s desired destination. Title to the Products shall transfer ex works SunPower’s factory. 
  
 4.6 SunPower shall invoice Solon at or after the time of each shipment of Products to Solon. Taxes, customs and duties, if any, will be identified as separate items on
SunPower invoices. All invoices shall be sent to Solon’s location indicated in the Order. Payment terms for all invoiced amounts shall be thirty (30) days from date of shipment. All payments shall be made in Euros. Unless specifically
agreed to in writing by Solon, no advance payments shall be made or C.O.D. shipments accepted. 
  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 3 of 9

  
 ***
CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION 

 CONFIDENTIAL 
  
 5 - Advances 
  
 5.1 Provided that SunPower is not in material breach under this Agreement, Solon shall make Advances to SunPower in the aggregate amount of €30 million to be
disbursed to SunPower as set forth on Appendix 2. 
  
 5.2 SunPower’s
repayment of principal on the Advances shall be amortized over Product deliveries at the rate described in Section 4.3. SunPower may repay all or any portion of the unpaid principal and interest on the Advances at any time without penalty.

  
 5.3 Commencing on January 1, 2006, SunPower shall pay simple interest on
any remaining unpaid balance of the Advances at an annual interest rate of *** and *** percent (***%), which interest shall be paid on a per-unit-of-Product-delivered basis (Wp) assuming that SunPower delivers ***MWp of Product per year, and,
provided further, that interest shall only be paid on the first ***MWp of Product deliveries per year. The amount of interest per unit to be paid will be determined at the beginning of each calendar year by calculating the interest on the projected
average unpaid principal amount of Advances for such year and dividing such amount by ***MWp. By the fifteenth day of each calendar month, SunPower will provide Solon with a check in the amount of the interest accrued in the prior month. 

 
 6 - Term and Termination 
  
 6.1 Subject to Section 3.3, the term of this Agreement shall begin on the Effective Date
and provided that the first delivery of the Product under this Agreement shall occur in 2006, and unless previously terminated as herein after set forth, shall remain in force for the years 2006 through 2010 or as extended pursuant to section 3.3.

  
 6.2 Each Party may, at its discretion, upon written notice to the other Party,
and in addition to its rights and remedies provided under this Agreement and at law or in equity, terminate this Agreement in the event of any of the following: 
  
 (a) Upon a breach of the other Party of any material provision in this Agreement, and failure of the other Party to cure such material
default within sixty (60) days after written notice thereof; 
  
 (b) Upon the
voluntary or involuntary initiation of bankruptcy or insolvency proceedings against the other Party; provided, that for an involuntary bankruptcy or insolvency proceeding, the party subject to the proceeding shall have sixty (60) working days
within which to dissolve the proceeding or demonstrate to the terminating Party’s satisfaction the lack of grounds for the initiation of such proceeding; or 
  

	(c)	In accordance with the provisions of Section 9 below. 

  
 6.3 SunPower may, at its discretion, upon written notice to Solon, and in addition to its rights and remedies provided under this Agreement and at law or in equity,
terminate this Agreement in the event that a Competitor of SunPower acquires fifty percent (50%) or more of the equity interests of Solon or if Solon acquires fifty percent (50%) or more of the equity interests of a SunPower Competitor.

  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 4 of 9

  
 ***
CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION 

 CONFIDENTIAL 
  
 6.4 If any of the events in Sections 6.2 and 6.3 occurs with a party, the defaulting party shall give notice of such event to the other
party as soon as practicable, and in any event within three (3) business days of such occurrence. 
  
 6.5 Upon the expiration or termination of this Agreement howsoever arising and subject always to the provisions of Section 6.6 below, the following Sections shall survive such expiration or termination: Sections
1 (Definitions); Section 4.5 (Delivery); Sections 6.5, 6.6 and 6.7 (Term, Termination and Advance Payment); Section 7 (Limited Power Warranty); Section 8 (Limitation of Liability); and Section 10 (General Provisions). 

 
 6.6 Upon expiration or termination of this Agreement for any reason, all outstanding
Orders placed prior to such expiration or termination shall be completed by SunPower and for this purpose and to that extent, the provisions of this Agreement shall continue in full force and effect. The foregoing shall not apply for the Order(s)
that is (are) terminated at the same time as the Agreement. 
  
 6.7 If Solon
terminates this Agreement pursuant to Section 6.2(a), then SunPower shall repay to Solon any remaining unpaid principal and accrued and unpaid interest on the Advances as if Solon continued to take delivery of ***MWp of Product per year;
provided however that if Solon is in material breach of this Agreement at the time it terminates this Agreement, then SunPower shall not be required to repay any remaining unpaid principal and accrued and unpaid interest on the Advances. If this
Agreement is terminated for any other reason, then SunPower shall not be required to repay any remaining unpaid principal and accrued and unpaid interest on the Advances. Notwithstanding the foregoing, if Solon terminates this Agreement pursuant to
Section 6.2(a) because SunPower intentionally and substantially favors another customer over Solon in terms of allocating Product deliveries (up to the Reserved Capacity), then ***% of all unpaid principal and accrued and unpaid interest on the
Advances shall be immediately due and payable. 
  
 7 -
Limited Power Warranty 
  
 If, on or before December 31, 2009, modules
made by Solon using the Product exhibit an average power degradation vs. initial measured power of ***% or greater than the average degradation vs. initial power measured on modules made by Solon using similar module materials and manufacturing
processes and utilized in similar applications (e.g., trackers) but utilizing solar cells from other manufacturers ***, then the Limited Power Warranty set forth in Appendix 4 shall apply to the Product; provided however that this limited
warranty shall apply only to power degradation that is determined by SunPower (in its reasonable discretion) to be due to defects in design. If the condition set forth in the prior sentence is not satisfied, then the Limited Power Warranty shall not
apply to any Product. 
  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 5 of 9

  
 ***
CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION 

 CONFIDENTIAL 
  
 8 - Liability 
  
 8.1 IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR FOR EXEMPLARY OR PUNITIVE DAMAGES, EVEN IF SOLON OR SUNPOWER
HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 
  
 8.2 EXCEPT FOR REPAYMENT
OF THE ADVANCE, NEITHER PARTY’S TOTAL LIABILITY TO THE OTHER FOR ANY KIND OF LOSS, DAMAGE OR LIABILITY ARISING UNDER OR IN CONNECTION WITH THIS AGREEMENT, UNDER ANY THEORY OF LIABILITY, SHALL EXCEED IN THE AGGREGATE THE PURCHASE PRICE OF THE
PRODUCTS PURCHASED BY SOLON FROM SUNPOWER FOR THE MOST RECENT TWELVE (12) MONTHS PRIOR TO THE EVENT GIVING RISE TO THE LOSS, DAMAGE OR LIABILITY. 
  
 9 - Force Majeure 
  
 Neither Party shall be liable to the other Party for failure of or delay in performance of any obligation under this Agreement, directly, or indirectly, owing to acts of
God, war, war-like condition, embargoes, riots, strike and other events beyond its reasonable control. If such failure or delay occurs, the affected Party (i.e., the party that is unable to perform) shall notify the other Party of the occurrence
thereof as soon as possible, and the Parties shall discuss the best way to resolve the event of force majeure. If the conditions of force majeure apply for a period of more than two (2) consecutive calendar months, the non-affected Party shall
be entitled to terminate this Agreement by written notice to the other Party. 
  
 10 - General Provisions 
  
 10.1
This Agreement shall be construed under and governed by the laws of the State of New York. 
  
 10.2 Upon notice from one Party to the other of a dispute hereunder, the Parties agree to hold a meeting within thirty (30) days of receipt of such notice with at least one (1) representative from each Party
who has decision-making authority for such company. At this meeting, the Parties will attempt to resolve the dispute in good faith. If, after the meeting, the dispute has not been resolved, only then may a Party resort to litigation. Any proceeding
to enforce or to resolve disputes relating to this Agreement shall be brought before a state or Federal court of competent jurisdiction in the Borough of Manhattan, State of New York. In any such proceeding, neither Party shall assert that such a
court lacks jurisdiction over it or the subject matter of the proceeding. The Parties expressly waive any right to a jury trial and agree that any proceeding hereunder shall be tried by a judge without a jury. 
  
 10.3 This Agreement, in whole or in part, shall not be assigned to a third party without
prior written consent of the other Party; provided however that either Party may assign this Agreement to any of its wholly-owned affiliates as long as such Party unconditionally guarantees the performance of such wholly-owned affiliate. If
this Agreement is assigned effectively to the third party, this Agreement shall bind upon successors and assigns of the parties hereto. 
  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 6 of 9

 CONFIDENTIAL 
  
 10.4 Except as provided elsewhere in this Agreement, a notice is effective only if the Party giving or making the notice has complied with
this Section 10.4 and if the addressee has received the notice. A notice is deemed to have been received as follows: 
  

	 	(i)	If a notice is delivered in person, or sent by registered or certified mail, or nationally or internationally recognized overnight courier, upon receipt as indicated by the date on
the signed receipt; 

  

	 	(ii)	If a notice is sent by facsimile, upon receipt by the Party giving the notice of an acknowledgment or transmission report generated by the machine from which the facsimile was sent
indicating that the facsimile was sent in its entirety to the addressee’s facsimile number; or 

  

	 	(iii)	If a notice is sent by e-mail, upon receipt by the Party giving the notice of an acknowledgement or transmission report indicating that the e-mail was sent in its entirety to the
addressee’s e-mail address. 

  
 Each Party giving a notice
shall address the notice to the appropriate person at the receiving Party at the address listed below or to a changed address as the Party shall have specified by prior written notice: 
  
 Solon: 
  
 Solon AG für Solartechnik 
 Ederstr. 16

 D – 12059 Berlin, Germany 
 Facsimile: +49 / 30 / 818 79 - 110 
 Attention: Mr. Thomas Krupke, CFO 
 E-mail: t.krupke@solonag.com 
  
 SunPower: 
  
 SunPower Corporation 
 430 Indio Way

 Sunnyvale, CA 94085 
 Facsimile: (408) 739-7713 
 Attention: Peter Aschenbrenner, 
 E-mail: peter.aschenbrenner@sunpowercorp.com 
 With a copy to: 
 Cypress Semiconductor Corporation 
 3901 North First Street 
 San Jose, California 95134-1599 
 Facsimile: (408) 943-6869 
 Attention:
Laura Norris, Director, Legal Department 
 E-mail: xle@cypress.com 
  
 10.5 The waiver by either Party of the remedy for the other Party’s breach of or its right under this Agreement will not constitute a
waiver of the remedy for any other similar or subsequent breach or right. 
  
 10.6
If any provision of this Agreement is or becomes, at any time or for any reason, unenforceable or invalid, no other provision of this Agreement shall be affected thereby, and the remaining provisions of this Agreement shall continue with the same
force and effect as if such unenforceable or invalid provisions had not been inserted in this Agreement. 
  
 10.7 No changes, modifications or alterations to this Agreement shall be valid unless reduced to writing and duly signed by respective authorized representatives of the Parties. 
  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 7 of 9

 CONFIDENTIAL 
  
 10.8 No employment, agency, trust, partnership or joint venture is created by, or shall be founded upon, this Agreement. Each Party further
acknowledges that neither it nor any Party acting on its behalf shall have any right, power or authority, implied or express, to obligate the other Party in any way. 
  
 10.9 Neither Party shall make any announcement or press release regarding this Agreement or any terms thereof without the other Party’s
prior written consent. 
  
 10.10 SunPower shall disclose to Solon, upon
Solon’s request, any publicly disclosed information regarding Cypress’ or SunPower’s financial condition; provided however, that SunPower shall be deemed to have disclosed to Solon any information that has been filed electronically
with the United States Securities and Exchange Commission. 
  
 10.11 This
Agreement constitutes the entire agreement between the Parties and supersedes all prior proposal(s) and discussions, relative to the subject matter of this Agreement and neither of the Parties shall be bound by any conditions, definitions,
warranties, understandings or representations with respect to such subject matter other than as expressly provided herein. No oral explanation or oral information by either party hereto shall alter the meaning or interpretation of this Agreement.

  
 10.12 The headings are inserted for convenience of reference and shall not
affect the interpretation and or construction of this Agreement. 
  

	10.13	Words expressed in the singular include the plural and vice-versa. 

  
 10.14 The parties recognize that there are certain system configuration requirements for reliable long-term operation of A-300 solar cells. To this end, attached hereto
as Appendix 3 (Technical Issues) is a compilation of both parties current understanding of the technical issues. 
  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 8 of 9

 CONFIDENTIAL 
  
 11 - Secured Amount 
  
 11.1 SunPower acknowledges that Solon is providing the Advances for the sole purpose of providing SunPower money to fund the Facilities and to purchase the Equipment to
be owned by SunPower technology Limited. SunPower represents that it will only use the funds from the Advances for the purpose of funding the Facilities and purchasing the Equipment to create the Reserved Capacity described in Section 3.1.

  
 11.2 In order to secure Solon’s investment in the Equipment through the
Advances made to SunPower under this Agreement, SunPower and Solon agree that the Advances shall be secured by the Equipment. In that regard, SunPower and Solon agree that the amount being secured will be an amount equal to the total amount provided
to SunPower from the Advances less the total amount of Rebate remitted by SunPower to Solon (the “Secured Amount”). The Equipment shall serve as collateral to secure repayment of the Secured Amount in the event of a default in payment by
SunPower under this Agreement. The Parties shall enter in a mutually acceptable mortgage agreement by May 30th
2005. 
  

							
	 For Solon AG für Solartechnik:
	  	 For SunPower Corporation:

				
	 Name:
	 	Thomas Krupke	  	 Name:
	 	Thomas H. Werner
				
	 Title:
	 	 CFO

	  	 Title:
	 	 Chief Executive Officer

				
	 Date:
	 	 10.11.05

	  	 Date:
	 	 11/10/05

				
	 Signature:
	 	 /s/    Thomas Krupke

	  	 Signature:
	 	 /s/    Thomas H. Werner

			
	 Name:
	 	 Alexander Voigt

	  	 For SunPower Technology Limited:

				
	 Title:
	 	 CEO

	  	 Name:
	 	 Thomas H. Werner

				
	 Date:
	 	 10.11.05

	  	 Title:
	 	 Chief Executive Officer

				
	 Signature:
	 	 /s/    Alexander Voigt

	  	 Date:
	 	 11/10/05

				
	 	 	 	  	 Signature:
	 	 /s/    Thomas H. Werner

  

					
	SunPower SOLON Supply Agreement	  	April 14th 2005	  	page 9 of 9

 APPENDIX 1 
  
 Equipment 
  

	 	•	*** (2) 

  

	 	o	Asset #’s – M10200000011, M10700000004 

  

	 	•	*** (3) 

  

	 	o	Asset #’s – M10500000012, M11200000004, M11700000004 

  

	 	•	*** (3) 

  

	 	o	Asset #’s – M10900000005, M10900000006, M11300000004 

  

	 	•	*** (7) 

  

	 	o	Asset #’s – M10300000005, M10600000006, M10800000008, M10800000009, M10800000010, M11400000004, M11400000005 

  

	 	•	*** (4) 

  

	 	o	Asset #’s – M10400000008, M11000000005, M11100000011, M11500000004, M11500000005 

  

	 	•	*** (2) 

  

	 	o	Asset #’s – M23000000007, M23000000008 

  

	 	•	*** 

  

	 	o	Asset #’s – M11600000004 

  

	 	•	*** 

  

	 	o	Asset #’s – M11800000006 

  

	 	•	*** 

  

	 	o	Asset #’s – M19900000051 to M19900000056 

  

 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

 APPENDIX 2 
  
 Advances 
  

							
	 1st payment
	  	*** 14th 200***	  	€	  	***.-
				
	 2nd payment
	  	*** 2nd 200***	  	€	  	***._
				
	 3rd payment
	  	*** 15th 200***	  	€	  	***._
				
	 4th payment
	  	*** 15th 200***	  	€	  	***._

  

 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

 APPENDIX 3 
  

Technical Issues 
  

	Annex	3a: Common understanding of the “***” issue 

  

	Annex	3b: Specification of the current product “A-300” 

  

	Annex	3c: Agreement about product design change 

  

 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

 Annex 3a: Common understanding of the “***” issue 
  
 Here is the today’s understanding in detail:

  

	 	i.	Solon was able to find the same *** in ***. However, the effect was small and slower that reported by Sunpower. Solon was also able to *** the effect by ***

  

	 	ii.	However, it does not seem that there is any *** above which the ***, but it is more likely that the product “***” is important (and also ***, especially ***). The ***
could also be found already starting after a few days at *** 

  

	 	iii.	All results from *** confirm the *** the the *** is due to a *** where *** is involved 

  
 Still to do: 
  

	 	-	As soon as *** in ***, the *** of *** at the *** will be recorder, and will be recorded again after ***. By this test we will try to *** the *** in the ***.

  

	 	-	Solon will start a *** with *** (which is the *** level of ***) 

  

	 	-	Sunpower will periodically report on the results of their own *** in ***. 

  
 It seems that the *** of the *** is ***, and there is a *** which generally seems to *** any *** in *** (introducing a *** in the *** range between ***). 
  
 On this basis Solon engineers will develop *** for the *** which is supposed to be used at
the *** in 200***. Sunpower technicians will review this solution, and they will confirm that due to their understanding the solution is *** to *** any ***. 
  
 In the case that in *** any *** is observed, chapter *** of the contract is dealing with the ***. 
  

 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

 Annex 3b: Specification of the current product “A-300” 
  

	 	-	datasheet 

  

	 	-	drawings and description 

  

	 	-	definition of power classes 

  

	 	-	Visual and electrical binning criteria 

			
	 [GRAPHICS OMITTED]
	  	 [SunPower Logo]
 THE CELL PERFORMANCE LEADER
  
 A-300
 Single-Crystal Silicon Solar Cell
  
 Construction:                        All-back contact
 Dimensions:                          125 mm x 125 mm - nominal
 Thickness:                             250 μm ± 30
μm
  
 Typical Electrical Performance
 Open Circuit Voltage            0.665 V
 Short Circuit Current:           5.75 A
 Maximum Power Voltage:    0.560 V
 Maximum Power Current:    5.35 A
 Rated
Power                          3.0 W
 Efficiency:                              20.0% minimum
  
 Temperature Coefficients
 Voltage:                                  -1.9 mV / °C

Power:                                     -0.38 % /
°C
  
 Attributes
 •      High efficiency reduces module assembly and system installation costs
  
 •      Uniform
front appearance—no contact grid
  
 •      Minimal bypass diode requirements
  
 •      Back contact design simplifies circuit assembly
  
 •      Lower
temperature coefficient improves energy delivery
  
 Packaging
  
 •      Cells are
packed in boxes of 250 each grouped in shrink-wrapped stacks of 50 with interleaving.
  
 •      Ten boxes are packed in a water-resistant “Master Carton” containing 2,500
cells suitable for air transportation
  
 •      Master Cartons are permanently labeled with cell tracking information and date of manufacture
  
 ©2003 SunPower Corporation. All rights reserved. Document Number 70-0006 Rev 01. Specifications may change without notice.

  
 SunPower
Corporation . 430 Indio Way . Sunnyvale, CA 94085 . Phone: (408) 991-0900 . Fax: (408) 739-7713 . Email:sales@sunpowercorp.com  
 www.sunpowercorp.com 

 [Graphic Omitted] 

 SunPower A-300 solar cell binning (typical data) 
 date: 01/05/05 
  

																	
	 Bin

	 	 Jsc
 (mA/cm2

	 	 Voc (V)

	 	 Impp (A)

	 	 Jmpp
 (mA/cm2)

	 	 Vmpp (V)

	 	 Pmpp (W)

	 	 FF

	 	 Eff (%)

									
	 E
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 F
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 G
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 H
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 I
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 J
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 K
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

  

 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

	SunPower	A-300 solar cell binning (typical data) (only bin D) 

	date:	02/18/05 

  

																	
	 Bin

	 	 Jsc
 (mA/cm2

	 	 Voc (V)

	 	 Impp (A)

	 	 Jmpp
 (mA/cm2)

	 	 Vmpp (V)

	 	 Pmpp (W)

	 	 FF

	 	 Eff (%)

									
	 D1
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 D2
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 D3
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 D4
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 D5
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

									
	 D6
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***
	 	 ***

  

 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

			
	 SUNPOWER CORPORATION
	  	Document #: 40-0006 Rev. 04
	 Visual and Electrical Binning Criteria for A-300 Cells
	  	Page: 1 of 9

  
 [SUNPOWER LOGO] 
 SunPower Corporation, 430 Indio Way, Sunnyvale, CA 94085 
  
 TITLE: Visual and Electrical Binning Criteria for A-300 Cells

  

	1.	PURPOSE AND SCOPE 

  

	 	1.1.	Purpose: This document describes the mechanical, cosmetic and electrical criteria for the purpose of sorting and classifying A-300 cells before shipment. 

 

	 	1.2.	Scope: This document: 

  

	 	1.2.1.	objectively defines the internal requirements for mechanical, cosmetic and electrical binning and inspection of A-300 cells. 

  

	 	1.2.2.	applies to all A-300 cells manufactured by SunPower regardless of the manufacturing location. 

  

	 	1.2.3.	includes definitions necessary to specify the defects that are acceptable and rejectable. 

  

	 	1.2.4.	does not pertain to ink pattern defects, experimental cells or dummy cells. 

  

	2.	RESPONSIBILITIES 

  

	 	2.1.	R&D / Engineering is responsible for defining the criteria for visual and electrical binning in accordance with the EROS for A300 cells. 

  

	 	2.2.	Each manufacturing site must write their own visual inspection and electrical testing work instructions ensuring that the criteria in this document are followed.

  

	3.	REFERENCED DOCUMENTS 

  

	 	3.1.	02-4001 Document Control and Records 

  

	 	3.2.	75-0003 A-300 External Requirements Objective Specification 

  

	 	3.3.	42-0025 Outgoing Visual Inspection procedure for SPML 

  

	4.	MATERIALS AND EQUIPMENT 

  

	 	4.1.	For Visual Inspection: 

  

	 	4.1.1.	Bright tungsten halogen lighting (approx. 10,000 Lux) 

  

	 	4.1.2.	Fluorescent room lighting (approx. 500 Lux) 

  

	 	4.1.3.	Black background for inspection table(s) 

  

			
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	 Visual and Electrical Binning Criteria for A-300 Cells
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	 	4.1.4.	A set of SunPower “Rosetta Cells,” marked with a “Rosetta Cell” label on the back, should be used for comparison and proper distinction between acceptable and
unacceptable cells. Rosetta Cells should be arranged in the sort area such that inspectors may lay production cells next to Rosetta Cells for color comparison and defect recognition 

  

	 	4.1.5.	A soft cosmetic brush or compressed air gun should be used to brush or blow off loosely adhered particles on the ARC side of the cells. 

  

	 	4.1.6.	Plastic tweezers 

  

	 	4.1.7.	Razor blade for removing metal ring 

  

	 	4.1.8.	Thickness Gauge set to 1.1 mm. 

  

	 	4.2.	For Electrical Testing: 

  

	 	4.2.1.	A calibrated cell tester should be used for electrical testing. 

  

	5.	SAFETY-N/A 

  

	6.	OPERATING PROCEDURES AND RESPONSIBILITIES 

  

	 	6.1.	Cell Handling 

  

	 	6.1.1.	Cells should always be handled with plastic tweezers, gloves or finger cots. Operators should make sure that gloves are always clean. Unclean or sweaty gloves leave marks, similar
to those left by a bare finger on the front ARC surface. 

  

	 	6.1.2.	Cells should only be picked up with plastic tweezers or clean gloved hands. Conventional tweezers leave marks on the front surface. They can easily scratch the ARC side.

  

	 	6.1.3.	If using a soft brush to remove particles, the cell should not be brushed too hard as it can leave brush marks. Brushes should be replaced or cleaned frequently.

  

	 	6.2.	Cosmetic and Mechanical Binning - The following bins should be used for sorting the cells mechanically and cosmetically. 

  

	 	6.2.1.	Black - Cells passing the cosmetic criteria outlined in Section 9.1 for the Black bin should be grouped together. These cells will be used for modules with a black backsheet.

  

	 	6.2.2.	White - Cells passing the cosmetic criteria outlined in Section 9.1 for the White bin should be grouped together. These cells will be used for modules with a white backsheet.

  

	 	6.2.3.	Blem - Cells failing cosmetic criteria for Black or White bins should be grouped together. These cells will be used for customers who are insensitive to cosmetics.

  

	 	6.2.4.	Scrap - Cells with through-edge chips, cracks, excessive bow, and excessive metal ring as defined in Section 6.4 should be scrapped. 

  

			
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	 Visual and Electrical Binning Criteria for A-300 Cells
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	 	6.3.	Electrical Binning- 10 bins should be used for sorting the cells electrically. The bins should include 

  

									
	 Bin Name

	 	 Current Density
 at 0.555V
 (mA/cm2)

	 	 Current (A) at
 555mV

	 	 	 Lower
 (3)

	 	 Upper
 (<)

	 	 Lower
 (3)

	 	 Upper
 (<)

					
	 Eff Reject
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 Low Eff
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 D
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 E
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 F
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 G
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 H
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 I
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 J
	 	 ***
	 	 ***
	 	 ***
	 	 ***

					
	 K
	 	 ***
	 	 ***
	 	 ***
	 	 ***

  

	 	6.3.1.	Accuracy of voltage meas. ± ***mV (variation in temperature, contact resistance) 

  

	 	6.3.2.	Accuracy of current meas. ± ***mA/cm2
(variation in area, simulator intensity and color) 

  

	 	6.3.3.	Use a “log 50” method to optimize data gathering near max. power. Assure that a load voltage of ***mV is repeatedly available. 

  

	 	6.4.	MECHANICAL INSPECTION 

  

	 	6.4.1.	Metal Ring on the edge 

  

	 	6.4.1.1.	If a metal ring around the outside edge of the wafer is visible, it should be peeled off. Loosely adhered metal can come off during module assembly and short the cell. The loose
metal ring must be peeled off by holding the cell at the edge with one hand and pulling the metal with the other hand. 

  

	 	6.4.1.2.	The residual portion of the metal should be scraped off (if necessary) with a sharp razor blade. The razor blade can chip the cell so extreme care must be taken while using the
blade. 

  

	 	6.4.1.3.	If metal ring extends more than 1 mm onto the sunny side of the cell, this is considered as excessive metal ring and should be scrapped. (Figure 1) 

  
 Figure 1. Excessive Metal Ring 
  

			
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	 Visual and Electrical Binning Criteria for A-300 Cells
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 [Graphic Omitted] 
  

	 	6.4.2.	Chipped and Cracked cells 

  

	 	6.4.2.1.	Cells should be very carefully inspected for any chips on the edges that extend through the entire cell thickness. These through-edge chips weaken the cell and increase the chances
of cell breakage during stringing and lamination. Chips are best detected by moving a gloved finger around the full perimeter of the cell. 

  

	 	6.4.2.2.	Cells with through-edge chips should be scrapped. 

  

	 	6.4.2.3.	Cells should also be inspected for cracks very carefully. Under bright halogen lighting and at oblique angles, cracks become visible. Cells with any form of crack should be
scrapped. 

  

	 	6.43.	Bowed cells 

  

	 	6.4.3.1.	Bowed cells do not lie flat on a flat surface (see Figure 2). 

  

	 	6.4.3.2.	To measure bow, set thickness gauge to *** mm. Bow is acceptable if gauge doesn’t pass through the gap on both sides. (see Figure 3) 

  

	 	6.4.3.3.	Bow of cells can be sampled instead of ***% measured. Manufacturing may determine the sample size to ensure less than *** % of shipped cells have more than *** mm bow. Measured
cells that have more than *** mm of bow should be scrapped. 

  
 Figure 2 - Bowed cell 
  
 [Graphic
Omitted] 
  
 Figure 3 -Bow Measurement 
  

			
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	  	Document #: 40-0006 Rev. 04
	 Visual and Electrical Binning Criteria for A-300 Cells
	  	Page: 5 of 9

  
 [Graphic Omitted] 
  

	 	6.5.	DEFINITIONS FOR COSMETIC INSPECTION 

  

	 	6.5.1.	Residual Metal Ring 

  

	 	6.5.1.1.	After the metal ring removal process, there is residual metal adhered to the edge of the cell. There are no loose or hanging pieces of metal. 

  

	 	6.5.2.	Excessive Metal Ring 

  

	 	6.5.2.1.	Metal ring extending over the sunny side surface of the cell. 

  

	 	6.5.3.	Scratches on the ARC Surface 

  

	 	6.5.3.1.	Deep scratches appear bright white under regular room lighting. 

  

	 	6.5.3.2.	Light scratches are not white, and are usually very thin. They are invisible or faint under regular room lighting. They become easily visible under bright halogen lighting.

  

	 	6.5.4.	Stains 

  

	 	6.5.4.1.	Blurred areas, spots or streaks on the wafer caused by water, or chemicals. 

  

	 	6.5.4.2.	Light stains are invisible or faint under regular room lighting. 

  

	 	6.5.4.3.	Severe stains appear under regular room lighting. They are usually white in color. 

  

	 	6.5.5.	Streaks and Haziness 

  

	 	6.5.5.1.	Light haziness or streaks are invisible or faint under regular room lighting. They are visible under halogen lighting. It may spread across the whole front surface of the cell.

  

	 	6.5.5.2.	Severe haziness or streaks are visible under regular room lighting. They appear over a large area of the cell. 

  

	 	6.5.6.	Edge Effects 

  

	 	6.5.6.1.	There are various effects seen on cell edges. These are best inspected under regular room lighting. 

  

			
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	 Visual and Electrical Binning Criteria for A-300 Cells
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	 	6.5.6.1.1.	Whitish edges 

  

	 	6.5.6.1.2.	Semicircular gray marks at edges 

  

	 	6.5.6.1.3.	Shiny blue spots at edges 

  

	 	6.5.7.	Other Effects 

  

	 	6.5.7.1.	There are various other marks or defects seen on the cells. These are best inspected under regular room lighting. 

  

	 	6.5.7.1.1.	Roller marks along one or two sides of cells. They are roughly 0.5 cm wide and appear dark gray under regular room lighting. 

  

	 	6.5.7.1.2.	Vacuum cup marks are circular and 1.5 cm in diameter. The circles have ‘spokes’ resembling a wheel. They are difficult to see under regular room lighting.

  

	 	6.5.7.1.3.	Gray, shiny blue or copper colored spots anywhere on the cell. They generally have an area of 1 - 5 mm2. 

  

	 	6.5.8.	Tweezer Marks 

  

	 	6.5.8.1.	Handling cells with conventional tweezers leaves marks on them. In addition, handling cells with special plastic tipped tweezers can leave marks at certain steps of the process.
Tweezer marks appear as a concentrated field of flecks usually in one corner or along one edge of the wafer. Typical length is approximately l cm and width can be up to 5 mm. 

  

	 	6.5.8.1.1.	Bright white tweezer marks appear as a composite of bright white flecks in the general shape of a tweezer tip. They are easily visible under regular room lighting.

  

	 	6.5.8.1.2.	Light tweezer marks are not as dense and don’t appear bright white. They are faintly visible under regular room lighting. 

  

	 	6.5.9.	Flecks 

  

	 	6.5.9.1.	Small flecks of copper or white-colored metal. These flecks shine when light falls on them, even after lamination. Flecks are not the same as debris which should be removed with a
soft brush or a compressed air gun. 

  

	 	6.5.10.	Color Variations The thickness and uniformity of ARC (SiN) and oxide (SiO2) coating on the cells leads to color variations. The ideal color is a deep and even dark blue. The
simplest way to distinguish acceptable from unacceptable cell color is to place a production cell next to a “Rosetta Cell” against a black backsheet under halogen lighting. The color of the cell can be distinctly classified into 2
categories. 

  

	 	6.5.10.1.	Dark Blue - A distinct and uniform dark navy blue color. When light falls on these cells, the color does not fade out into any other color, but instead appears dense
throughout. 

  

			
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	 Visual and Electrical Binning Criteria for A-300 Cells
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	 	6.5.10.2.	Off-Color 

  

	 	6.5.10.2.1.	Light Blue - Light blue, with no detectable grey color. Under a halogen lamp, the cell carries a dark blue color with light blue streaks. 

  

	 	6.5.10.2.2.	Grey - As light falls on the cell, the color fades out into a very thin layer of light blue color, which fades out into white towards the corners of the cell. In the absence
of halogen light, the cell gives an appearance of a grey color with white corners and edges. 

  

	 	6.5.10.2.3.	Other - Any other color of cell. 

  

	 	6.5.11.	Surface Chips 

  

	 	6.5.11.1.	Areas (usually near the cell edge) where the ARC coating has chipped off. The underlying gray silicon is visible. Surface edge chips to not go through the full thickness of the
cell. 

  

	 	6.6.	COSMETIC INSPECTION CRITERIA 

  

	 	6.6.1.	Every cell must be cosmetically inspected according to the criteria in Section 9.1 Cosmetic Inspection Criteria (except ‘Bow’ which may be sample inspected). Only the
front (ARC) surface needs to be inspected, however, manufacturing may choose to implement a brief cosmetic check of the backside to provide feedback to earlier steps. 

  

	 	6.6.2.	Cosmetically acceptable cells are binned as Black or White according to the criteria below. These are used for the majority of customers. 

  

	 	6.6.3.	Cells that fail the criteria for Black or White, but which are not scrap should be placed in bin—Blem. 

  

	 	6.6.4.	Scrap cells should be disposed of or otherwise unmistakably and individually marked as scrap. 

  

	 	6.7.	ELECTRICAL TESTING 

  

	 	6.7.1.	Three cosmetic bins (Black, White, and Blem) should all be sent through electrical test for electrical binning. 

  

	 	6.7.2.	Cells from different cosmetic bins must be sent through electrical test separately to avoid bin mixing. 

  

	 	6.7.3.	Cells need to be electrically tested on a calibrated cell tester after all other processes are done. The tested cells should be placed in their respective bins as defined above in
section 6.3. 

  

	 	6.7.4.	Cells will be identified as being in one of *** bins (Black, White, and Blem for cosmetic criteria and *** electrical bins). 

  

	7.	RECORDS - N/A 

  

	8.	POSTING SHEETS AND FORMS: - N/A 

  

			
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	 Visual and Electrical Binning Criteria for A-300 Cells
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	9.	APPENDIX / GENERAL INFORMATION / PROCESS MAP: 

  
 9.1.         Cosmetic Inspection Criteria 
  

											
	 Defect

	  	 Method

	    	 Black

	    	 White

	    	 Blem

	    	 Scrap

						
	 Bow
	  	 O (sample)
	    	***	    	***	    	***	    	 ***

						
	 Through-edge
 Chips
	  	 O
	    	 	    	 	    	 	    	 X

						
	 Residual Metal
 Ring
	  	 R
	    	No metal on edge	    	Residual metal	    	 	    	 
						
	 Excessive
 Metal ring
	  	 R
	    	 	    	 	    	 	    	 X

						
	 Scratches
	  	 R
	    	Light Scratches	    	Light Scratches	    	Deep, bright white scratches	    	 
						
	 Stains
	  	 R
	    	Light Stains	    	Light Stains and up to *** severe stains less than *** mm in diameter or *** less than *** in diam.	    	More than *** severe stains less than 5mm in diameter or any greater than ***. in diam.	    	 
						
	 Streaks
	  	 R
	    	Light streaks or haziness	    	Light streaks or haziness	    	Severe streaks or haziness	    	 
						
	 Edge Effects
	  	 R
	    	Up to two edge spots (gray or shiny blue) < ***	    	Light white edges.	    	Severe white edges, more than two edge spots or any edge spot > ***.	    	 
						
	 Other Effects,
	  	 R
	    	Faint vacuum marks& roller marks / Up to *** gray or colored spots < ***	    	Faint vacuum marks & roller marks / Up to *** gray or colored spots < ***	    	Bright white vacuum or roller marks. Gray or colored spots > ***.	    	 
						
	 Tweezer mark
	  	 R
	    	none	    	Up to *** that is not bright white	    	bright white	    	 
						
	 Flecks
	  	 H
	    	Up to *** flecks after debris removal	    	Up to *** flecks after debris removal	    	More than *** flecks	    	 
						
	 Dark Blue
	  	 H
	    	Dark Blue Uniform Color	    	Dark Blue Uniform Color	    	 	    	 
						
	 Off-Color
	  	 H
	    	 	    	Light Blue	    	Gray or other color	    	 
						
	 Surface chips
	  	 H
	    	Up to *** surface chip *** mm.	    	Up to *** surface chips, ***, or. one chip up to ***	    	*** or more chips, or any chip ***	    	 
						
	 Crack
	  	H	    	 	    	 	    	 	    	X

  

			
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	  	Document #: 40-0006 Rev. 04
	 Visual and Electrical Binning Criteria for A-300 Cells
	  	Page: 9 of 9

  
  
 Note: Rosetta cells identified by defect and classification (Black, White, Blem, or Scrap) must be available at all inspection stations.
`Method’ refers to inspection method. R = Room lighting, H = Halogen lighting, O = Other. 
  
  
  

			
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 Annex 3c: product design changes 
  
 The Sunpower A-300 solar cell is a very unique product which requires specially designed production equipment. Solon already spent a lot of
effort and money to develop a prototype of stringer, and in order to be capable to process the amount of cells from 200***, Solon has to invest in more equipment. 
  
 In order to protect Solon’s investment, SunPower agrees to inform Solon in advance of any product change concerning product form, fit
or function, and agrees not to make such changes without written approval of Solon. Solon agrees not to unreasonably withhold such approval and agrees to respond to requests for product changes within ***. 
  
 Sunpower already announced that they want to introduce ***. Solon already agrees to this
product design change, up to using *** of ***. The design of the *** must remain in orer to ensure, that the same type of *** can be used. However, Sunpower has to announce the first shipment of the *** at least *** weeks in advance. 
  

 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

 APPENDIX 4 
  

Limited Power Warranty 
  
 1. SunPower warrants that if, within *** (***) *** from date of delivery to Solon: (A) any Product exhibits power degradation of greater than ***% of
the Minimum Peak Power as specified in SunPower’s Product datasheet on the date hereof or (B) modules made by Solon using the Product exhibit an average power degradation vs. initial measured power that is greater than the average
degradation vs. initial power measured on modules made by Solon using similar module materials and manufacturing processes but utilizing solar cells from other manufacturers *** (whichever is greater of (A) or (B)), then SunPower will at its
option: (i) replace such loss in power (above such threshold) by either providing to Solon additional Product to make up such loss in power (above such threshold) or by providing monetary compensation equivalent to the cost of additional
Product required to make up such loss in power (above such threshold); (ii) pay Solon an amount equal to the actual wholesale price of such loss in power (above such threshold) or (iii) repair or replace the defective Product; provided
however that this limited warranty shall apply only to power degradation that is determined by SunPower (in its reasonable discretion) to be due to defects in design. 
  
 2. SunPower warrants that if, within *** (***) *** from date of delivery to Solon: (A) any Product exhibits power
degradation of greater than ***% of the Minimum Peak Power as specified in SunPower’s Product datasheet on the date hereof or (B) modules made by Solon using the Product exhibit an average power degradation vs. initial measured power that
is greater than the average degradation vs. initial power measured on modules made by Solon using similar module materials and manufacturing processes but utilizing solar cells from other manufacturers *** (whichever is greater of (A) or (B)),
then SunPower will at its option: (i) replace such loss in power (above such threshold) by either providing to Solon additional Product to make up such loss in power (above such threshold) or by providing monetary compensation equivalent to the
cost of additional Product required to make up such loss in power (above such threshold); (ii) pay Solon an amount equal to the actual wholesale price of such loss in power (above such threshold) or (iii) repair or replace the defective
Product; provided however that this limited warranty shall apply only to power degradation that is determined by SunPower (in its reasonable discretion) to be due to defects in design. 
  
 3. The limited warranties set forth herein shall be based on the average
power output of all Product delivered to Solon prior to the applicable measurement date. 
  
 4. Warranty claims must in any event be filed within the applicable Warranty period. 
  
 5. The limited warranties set forth herein do not apply to any Product which in SunPower’s reasonable discretion has been subjected to: misuse,
abuse, neglect or accident; alteration, improper installation or application; improper module design or module misassembly; non-observance of SunPower’s installation, users and/or maintenance instructions; repair or modifications by someone
other than an approved service technician of SunPower; power failure surges, lightning, flood, fire, accidental breakage or other events outside SunPower’s control. 
  

 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

 6. The limited warranties set forth herein do not cover any transportation costs for return of the
Product, or for reshipment of any repaired or replaced Product, or cost associated with installation, removal or reinstallation of the Product. 
  
 7. Warranty claims will not apply if the type or serial number of the Product is altered, removed or made illegible. 
  
 8. THE LIMITED WARRANTIES SET FORTH HEREIN ARE EXPRESSLY IN LIEU OF AND
EXCLUDE ALL OTHER EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR PARTICULAR PURPOSE, USE, OR APPLICATION, AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF SUNPOWER.Supply Agreement, dated April 17, 2004

 Exhibit 10.24 
  
 [CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS OF THIS DOCUMENT HAVE BEEN 
 REDACTED AND HAVE BEEN SEPARATELY FILED WITH THE COMMISSION] 
  
 April 17, 2004 

  
 Supply Agreement 
  
 for the Supply of Modules 
  
 between 
  
 SunPower Corporation 
 430 Indio Way 
 Sunnyvale, CA 94085 
 USA 
  
 hereinafter called “SunPower” 
  
 and 
  
 Conergy AG 
 Anckelmannsplatz 1 
 20537 Hamburg

 Germany 
  
 hereinafter called “Conergy” 
  
 (SunPower and Conergy are hereinafter collectively referred to as the “Parties” and individually as a “Party”) 
  
 PREAMBLE 
  
 SunPower established under the laws of the United States is a leading manufacturer for ultra-high-efficiency silicon cells. SunPower is a subsidiary of Cypress Semiconductor Corp., USA (NYSE: CY). SunPower has
recently started up production of high-efficiency solar cells, intends to further increase its production capacity and has started to secure production capacity for solar modules. 
  
 Conergy is a company established under the laws of Germany with the reg. no. HRB 77717 at Amtsgericht Hamburg, Germany. Conergy is one of
the leading system integrators in Europe with major activities in the German market. With its subsidiaries SunTechnics, AET and voltwerk as well as with its own brand, Conergy serves the market through distinct and well positioned brands in
different sales channels. 
  
 The Parties intend to enter into cooperation to
their mutual commercial benefit regarding the supply and distribution of high-efficiency solar modules, where SunPower is a supplier of solar modules to Conergy and Conergy shall purchase solar modules from SunPower. 
  
 The Parties intend to cooperate within the area of module development. Such cooperation shall
have the goal of reducing the cost of PV power delivered to the consumer, focusing on PV cost related to the solar module, BOS components (such as mounting structures etc.) and energy output. It is the Parties’ intention that such cooperation
shall be exclusive for the European market. 
  
 It is the Parties’ intention
to extend the cooperation beyond the terms of this Agreement. 

			
	 	 	April 17, 2004

  
 The Parties agree as follows: 
  
 QUANTITY AND
PRODUCT SPECIFICATION 
  

	1.	Conergy shall order and SunPower shall deliver in the years 2004 and 2005 solar modules with a total targeted nominal output of *** MWp according to the following terms and
conditions: 

  

	 	a.	In the year 2004: *** MWp (*** Megawatts peak) of the module type(s) as set forth in “Appendix A” (hereinafter called the “2004 volume”).

  

	 	b.	In the year 2005: *** MWp (*** Megawatts peak) of the module type(s) as set forth in “Appendix A”, and / or for module types as mutually agreed between the parties at a
later date (hereinafter called the “2005 volume”). 

  
 In addition, Conergy has the option to purchase up to an additional *** MWp of the same module type(s) as set forth in “Appendix A”, and / or for module types as mutually agreed between the parties at a
later date, for delivery in 2005 (hereinafter called the “2005 Option”). Conergy is entitled to exercise the 2005 option fully or in part by written notification to SunPower before January 31, 2005 (hereinafter called the “2005
closing date”). 
  

	 	c.	SunPower provides Conergy and its subsidiaries the exclusive right to market and sell all products using the A-300 solar cell within the European Union through December 31, 2005,
with the following exceptions: 

  

	 	i.	*** with white back-sheet and rated output *** for off-grid markets 

  

	 	ii.	*** i.e. defined as following a) glass-glass modules b) *** with rated power *** c) *** designed for curtain wall installations only 

  

	 	iii.	Opto-electronics, consumer products and ***. 

  

	 	iv.	Modules for use in *** 

  
 For point i ii, and iv parties agree to discuss exclusivity for the German and/or European market based on business performance at a later time. For the
purposes of this agreement, the European Union is defined as countries who are full members of the EU as of March 31, 2004. 
  
 SunPower agrees to implement reasonable and customary systems to track and identify product sold outside of the EU and transshipped to customers within
the EU by 3rd parties (“grey market modules”), and to use its best efforts to resolve grey market module
issues as and when they arise. 
  

	 	d.	Laminates (frameless modules) according to specifications in “Appendix A” will be available with a lead time specified by SunPower and with a price reduction as mutually
agreed upon. If laminates are produced by SunPower and delivered to Conergy, the volume of framed modules shall be adjusted accordingly. 

  

	2.	All modules delivered under section 1 above will comply with the following minimum specification: 

  

	 	(i)	Usage of the A-300 125 x 125 mm-cell as described in Appendix B with a cell efficiency > 20 % under STC (Standard Test Conditions: 1000 W/m2, 1.5 Am, 25° C cell temperature); 

  

	 	(ii)	All modules delivered will carry the label “made in Germany”; 

  

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	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  

	 	(iii)	Tolerance of actual power of -0 % (minimum factory test power of each module 3
nominal rated module output power) under Standard Test Conditions (1000 W/m2, 1.5 Am, 25° C cell temperature)
for all modules delivered; 

  

	 	(iv)	Frame configuration mutually accepted by Conergy and SunPower in writing; 

  

	 	(v)	Using solar glass with 4 mm thickness; 

  

	 	(vi)	Blue and red solar Radox wire of 4 mm2 cross
sectional area and a minimum length according to Conergy’s specification each using MC-III-connectors 

  

	 	(vii)	Junction box according to IP 65 standards with height of box less than frame height; 

  

	 	(viii)	Maximum rated system voltage of 1,000 volts and Safety-Class II certified by TÜV Rheinland for all modules delivered; 

  

	 	(ix)	A mutually agreed set of cosmetic and other manufacturing defect criteria, (sample format shown in “Appendix C”) which can be modified if both parties agree upon on the
basis of a production audit in a later time. 

  

	 	(x)	A detailed list stating all components and their specifications will be provided by SunPower before start of deliveries; 

  

	 	(xi)	Individual output data for all modules, showing Impp, Umpp, Isc, Voc and Pmpp, will be compiled in an Excel file and sent by email which will arrive latest at the time of the
modules’ arrival at either Conergy’s warehouse or Conergy’s client. During production audit at SunPower’s module factory the parties will discuss the possibilities to have the individual measurement reports in a removeable cover
on the outside of each palette. 

  

	 	(xii)	Branding, labeling and packaging of the modules and the carton as outlined in “Appendix G” will be mutually agreed upon by the parties at no additional costs other than
those outlined in section 10 of this Agreement. 

  

	3.	All modules delivered under this Agreement will be tested and certified under IEC 61215 and “Safety class II” of German TÜV Rheinland before start of deliveries. An
extension of the certificates for each module chosen by Conergy will be provided by SunPower. 

  

	4.	SunPower grants (i) an output warranty of 25 years at 80 % and 12 years at 90 % of the rated module power and (ii) a product warranty (freedom of defects in materials and
workmanship) of 10 years as set forth in “Appendix D”, SunPower’s standard warranty statement. 

  

	5.	The Parties realize that product quality is regarded as a critical factor for success in the market. The Parties thus agree to focus on this issue in order to deliver the right
product to the end customer: 

  

	 	a.	Before the start of deliveries, SunPower will provide Conergy with a copy of its calibration and module output test QA procedure. This calibration procedure shall be based on the
measurements of Fraunhofer ISE, Freiburg, Germany, or on another mutually agreed primary international test laboratory. 

  

	 	b.	SunPower will conduct a round robin test with standard modules as described in Appendix A including Fraunhofer ISE, Freiburg, German TÜV and other international test
laboratories. The results of this round robin test will be shared with Conergy. 

  

	 	c.	Quality check criteria and procedures will be developed jointly between the Parties, and implemented during production start-up in May/June 2004. SunPower shall produce and ship
modules only according to agreed criteria. Conergy shall without unnecessary delay inform SunPower of any issues related to quality and transportation resulting in non-conformity of agreed specification and quality check criteria.

  

 Page 3 of 15 
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	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  
 TERMS OF DELIVERY AND SHIPMENTS 
  

	6.	Shipments in 2004 shall be made as from July 1, 2004 until December 10, 2004 in accordance with section 1 a. 

  
 Shipments in 2005 shall be made between January 1, 2005 and December 10,
2005 in accordance with section 1 b. 
  

	7.	Monthly forecast: On the 15th of each month, a
three month rolling-forecast shall be provided by Conergy to SunPower to secure the production in the said period. All quantities for the month x+1 (e.g. April if the forecast has been provided on March 1) are regarded as fixed quantities and
hereinafter referred to as a firm delivery commitment if delivery of such volume is confirmed in writing by SunPower. 

  

	8.	Basis of any delivery is a written call-purchase-order of Conergy sent to SunPower by fax. SunPower shall confirm the purchase order by a written fixed order acknowledgement,
including volumes to be delivered and delivery dates, sent by fax (+49 6897 8106 ***) to Conergy within 5 working days after the receipt of the purchase order. 

  
 PRICES, ADJUSTMENTS AND FINANCIAL CONDITIONS 
  

	9.	The price for modules supplied under this contract shall be *** €/Wp (*** Euros per watt peak) during 2004 and *** €/Wp (*** Euros per watt peak) for the 2005 volume.

  

	10.	For the 2005 Option the parties will discuss the price before the 2005 closing date (as defined under point 1 of this agreement). 

  

	11.	All prices and deliveries under this Agreement will be made FCA SunPower factory located in Germany with a minimum individual shipment volume of *** kWp. 

 

	12.	Should at any time during the validity of this contract any competing standard module with equivalent technical specifications (e.g. > 180 watt rated power, IEC 61215, Safety
class II certification, etc.) and higher gross module efficiency become commercially available on the European market, Conergy may request that SunPower reduce module price by *** €/Wp. If SunPower agrees, all other conditions of this agreement
shall continue. If SunPower refuses, Conergy has the option to cancel the agreement with 180 day notice, but shall honor firm delivery commitments then in place as described in sections 8 and 9. 

  

	13.	Conergy shall pay all invoices at the latest *** after the date of shipment from SunPower factory located in Germany. If payment is received by SunPower’s bank within *** after
the date of shipment a cash rebate of *** % of the invoice total may be taken and deducted from outstanding payments by Conergy. 

  
 PENALTIES 
  

	14.	In the event of delayed shipment of more than *** calendar days beyond the shipment date confirmed by SunPower, SunPower shall pay to Conergy a penalty as follows:

  

	 	a.	If the delay was communicated to Conergy at least *** prior to the confirmed shipment date, a penalty of *** Euro/Wp/*** as from shipment should have taken place until shipment
takes place. The penalty on one purchase order shall in any event not exceed *** Euro/Wp (equivalent to *** penalty). 

  

 Page 4 of 15 
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	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  

	 	b.	If the delay is communicated less than *** but more than *** before the confirmed shipment date, the penalty shall increase to *** Euro/Wp/***. The maximum penalty shall increase
correspondingly to *** Euro/Wp. 

  

	 	c.	If the delay is communicated less than *** before the confirmed shipment date, the penalty shall increase to *** Euro/Wp/***. The maximum penalty shall increase correspondingly to
*** Euro/Wp. 

  
 When determining penalties as
outlined in c above, a grace period of *** shall be included to allow for delays that are proven to be caused by events and actions outside the control of SunPower (e.g. delay of trucks etc.). 
  
 Delivery of modules not complying with the mutually agreed specifications in
section 2 and Appendix A shall be regarded as delayed delivery as defined in section 16a. 
  
 However if such non-compliance relates to non-critical defects Conergy can decide to be compensated by obtaining reduced prices for these modules. In this case the penalty will not apply in addition. 
  
 Any claims and payments due in subsection a-c above shall be properly
documented by Conergy and may, once agreed upon between the Parties, be directly deducted by Conergy from any invoiced amount due. 
  

	15.	In the event of delayed payment by more than *** days after the date at which payment is due, Conergy shall pay SunPower a late penalty as follows: 

  

	 	a.	If Conergy pays an invoice *** after receipt of merchandise, an interest-rate of *** % for the *** will be charged separately by SunPower. 

  

	 	b.	If Conergy pays an invoice *** after receipt of merchandise, an interest-rate of *** % for *** will be charged separately by SunPower. 

  

	 	c.	If payment is not received by SunPower’s bank within *** after the date of shipment, SunPower shall have the right to stop all further deliveries until payment has been made or
the parties have agreed to an alternative resolution. 

  

	16.	If the product volume delivered to Conergy in 2004 under a mutually agreed delivery schedule as defined in sections 7 and 8 is less than *** MWp Conergy will receive at the end of
2004 a price rebate of *** % for all volumes purchased to compensate its marketing efforts. 

  

	17.	If (i) the original IEC and Safety class certificates as defined in point 3 are not issued before August 31, 2004 or/and (ii) the related OEM certificates are not issued before
September 30, 2004, Conergy is entitled to reduce all invoices received under this Agreement by *** % as a security-discount for all delivered modules by direct reduction of amounts due. This security-discount will be paid back without unreasonable
delay at the time the documents are issued. 

  
 CANCELLATION

  

	18.	If the documents as defined in point 3 are not supplied within a period of 6 months after the start of delivery Conergy (i) is allowed to cancel the contract, (ii) can make all
delivered modules available to the supplier at their present location, and (iii) will be credited by SunPower for the original purchase price. 

  

 Page 5 of 15 
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	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  

	19.	Before the 2005 closing date the parties agree to discuss prices and volumes for the 2005 option as defined under points 1 and 10 in order to secure the exclusivity as stated under
point 1c. If (i) the 2005 option agreed by Conergy before the 2005 closing date is below 10 MWp and (ii) the parties cannot agree to maintain the exclusivity of this contract on the basis of a reduced total volume for 2005, then SunPower is entitled
to cancel the exclusivity of this contract with a written pre-notification of 90 days. In the event that SunPower decides to cancel exclusivity as described in points i and ii above, the parties agree that there shall be two distinct phases of such
cancellation. In the first phase, SunPower may cancel Conergy’s exclusive rights to sell product in EU countries other than Germany. The parties will then negotiate in good faith a reduced 2005 option volume and/or price that Conergy must meet
to preserve their exclusive sales rights within Germany. In the event that the parties cannot agree on a reduced 2005 option volume or price for the German market, SunPower may decide to cancel Conergy’s exclusive sales rights within Germany.
In this case SunPower will be free to sell products without limitation in Germany, except that SunPower agrees hereby not to sell modules of the same configuration sold to Conergy to other customers through December 31, 2005. In any case the other
contract terms and conditions will continue to be valid. 

  

	20.	Should Conergy determine that the (i) reputation of the supplier or (ii) commercial conditions in the market place (i.e. change of the German EEG law etc.) do not allow the
marketing of modules as anticipated by this contract Conergy may request in writing to modify the minimum volume targets and prices set forth in sections 1 and 9. In this event the parties agree to negotiate in good faith a mutually acceptable
modification to this agreement (i.e. adjustment of price and quantities). If a mutually acceptable contract modification cannot be reached within 30 days of Conergy’s written notice, the parties agree that the contract shall be cancelled with a
notice of 180 days. During this 180 day time period the provisions of the original contract shall be maintained in force. As adverse conditions covered by point (i) qualify, inter alia, prolonged technical deficiencies, quality problems (especially
continued problems to fulfil the technical standards as Appendix C. As adverse conditions covered by point (ii) qualify, inter alia, the direct delivery by SunPower of PV modules covered under the exclusivity provisions of this agreement to any
other customer in Europe. 

  

	21.	The parties understand and agree that final module power specification will be determined following sample testing at NREL, TÜV and/or Fraunhofer ISE. This testing will take
place during April 2004. For a period of 10 days after the officially handout of test results from SunPower to Conergy, in the event that the resultant module power specification is considered unacceptable (e.g. average module efficiency is below
16.5 %) by either party to fulfill the objectives of this agreement, either party may cancel the agreement by four weeks written notice. 

  

	22.	SunPower agrees to grant Conergy an option with respect to continuation of exclusive sales rights stipulated in section 1c for periods beyond December 31, 2005. This option is
contingent on the parties reaching mutually agreeable commercial terms for the extension of such exclusivity. The parties agree to meet on or around June 30, 2005 to discuss such extension of exclusive sales rights beyond 2005.

  

	23.	Conergy may by a 4 (four) weeks written notice to SunPower unilaterally terminate this Agreement only upon one or more of the following events: 

  

	 	a.	SunPower fails to achieve the IEC Certification (as set forth under section 3. and 18.) within the six month period stipulated in section 18, or 

  

	 	b.	SunPower fails (i) to provide Conergy with a copy of its calibration and module output test QA procedure as stipulated in section 5a prior to start of product supply, or

  

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	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  

	 	c.	the module power rating as determined by independent laboratory testing is considered unacceptable by Conergy as stipulated in section 21. 

  

	24.	The parties will aim to harmonize production and demand situation in good faith. As minimum delivery quantity the parties define in Q1 2005 15%, in Q2 2005 25 %, in Q3 2005 30% and
in Q4 2005 30% of the 2005 quantity, as shown in the following table under the heading “Minimum Target”. If Conergy places in any one quarter orders for delivery of less than 75 % of the minimum target quantity within the quarter (shown in
the table below as “Threshold Volume”) SunPower may unilaterally cancel Conergy’s exclusivity provisions or sales rights. In this case SunPower will be free to sell products without limitation in Europe, except that SunPower agrees
hereby not to sell modules of the same configuration sold to Conergy to other customers through December 31, 2005. The other contract terms and conditions will continue to be valid. The parties agree to negotiate any eventual delivery schedule
pertaining to the 2005 option on or around the 2005 closing date. 

  

									
	 Delivery Period
	  	1/1 – 3/31/2005	  	4/1 – 6/30/2005	  	7/1 – 9/30/2005	  	10/1 – 12/15/2005
	 Minimum Target
	  	1.5 MW	  	2.5 MW	  	3.0 MW	  	3.0 MW
	 Threshold Volume
	  	1.13 MW	  	1.88 MW	  	2.25 MW	  	2.25 MW

  

	25.	Cancellation of this agreement for any reason will eliminate any exclusive sales rights granted by SunPower to Conergy. 

  
 NON-DISCLOSURE 
  

	26.	The parties agree to execute a mutually acceptable non-disclosure agreement governing the treatment of proprietary information before April 30, 2004. 

  

	27.	Prior to the execution of the NDA referenced in section 26 and finalization of the co-branding agreement stipulated in section 29, the parties agree not to release to any
3rd parties any information relating to the existence or details of this agreement except by mutual written
agreement. 

  
 OTHER REGULATIONS 
  

	28.	A mutually agreeable milestone plan for product launch will be defined as outlined as Appendix E. 

  

	29.	The parties will coordinate their marketing activities in the best way to promote the products of SunPower to be sold through Conergy into the European market, and agree to
implement a mutually agreeable co-branding program prior to May 31, 2004. 

  

	30.	Representatives 

  

			
	Conergy AG	  	SunPower
	CEO: Hans-Martin Rüter	  	CEO: Tom Werner
	Director: Thomas-Tim Sävecke	  	VP Sales: Peter Aschenbrenner
	Purchasing: Monika Leiner	  	Key-Account Manager: Jörn Jürgens

  

	31.	Once a year (for the first time in April 2004) or after major quality problems have occurred, experts from Conergy will be allowed and fully supported to conduct a production audit
at SunPower’s module production facilities in order to (i) detect probable quality problems, (ii) define an extended minimum technical standard of products if necessary (Appendix B) and (iii) propose steps to avoid quality problems.

  

	32.	Conergy is allowed to arrange for production visits for a reasonable number of its main customers. 

  

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	 	 	April 17, 2004

  

	33.	This Agreement replaces all previous contracts, Agreements and communication between the Parties. 

  

	34.	If a provision of this Agreement proves to be ineffective in full or in part, this shall not affect the validity of the other provisions. In such a case, the Parties undertake to
replace the ineffective provision by an effective provision matching the economic purpose of the ineffective provision as closely as possible. 

  

	35.	Force Majeure. Conergy and SunPower shall not be liable for any failures to comply with its obligations under this Agreement due to Force Majeure. By way of example, but not by way
of limitation, the causes of Force Majeure could be: war, civil disturbance, fire, floods, earthquakes and any other natural event of an exceptional nature and strike as well as changes in legislation and law. A Force Majeure event must be
immediately reported to the other Party and duly documented. In any case, events of Force Majeure must always be reported to the other Party in writing together with appropriate documentary evidence within 15 days of the occurrence of the event. If
the Force Majeure event should continue beyond 30 days, then the Parties shall meet to agree on how to proceed or on whether to suspend or cancel the Agreement. The Parties undertake to re-establish the performance of the Agreement with all
technically and economically reasonable means. 

  

	36.	This Agreement shall be construed and enforced in accordance with the laws of the state of New York, USA. Any disputes arising hereunder shall be submitted to non-binding
arbitration in accordance with the Arbitration rules of the International Chamber of Commerce. Arbitration will be held in London, UK and conducted in English. Prior to the institution of arbitration, a party alleging a dispute shall send a written
notice to the other party describing the dispute. Within ten days of receipt of the notification, the non-alleging party shall initiate a procedure by which the managers of both parties shall, in good faith, negotiate a resolution of the dispute. If
the dispute is not settled within sixty (60) days of the initial written notice, a party may initiate arbitration proceedings. Notwithstanding any provision herein, a party shall have the right to seek injunctive or other equitable relief in a court
of competent jurisdiction. 

  

			
	 Hamburg, 17.04.2004
	 	 Sunnyvale, 17.04.2004

		
	 Conergy AG
	 	 SunPower

		
	 /s/ Hans-Martin Rüter

	 	 /s/ Peter C. Aschenbrenner

	 Hans-Martin Rüter, CEO
	 	 Peter C. Aschenbrenner

	 	 	 Vice President, Sales & Marketing

		
	 /s/ Thomas-Tim Sävecke*

	 	 
	 Thomas-Tim Sävecke, Director
	 	 

	*	by power of attorney 

  
  

 Page 8 of 15 

			
	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  
 APPENDIX A: Data sheet and specification 
  
 Preliminary technical specifications of SunPower 72cell module : 
  

			
	 Solar Cells :
	 	 72 x SunPower A-300

	 Strings :
	 	 6 strings of 12 cells each, laminate edge gap 16mm

  
 Electrical specificationa

  

					
	 Voc :
	  	47.9 V	  	preliminary
	 Isc :
	  	5.6 A	  	preliminary
	 Vmp :
	  	40.3 V	  	preliminary
	 Imp :
	  	5.2 V	  	preliminary
	 Pmp :
	  	210 V	  	preliminary
			
	 Voltage :
	  	-1.9mV /°C	  	preliminary
	 Current :
	  	-0.35% /°C	  	preliminary

  
 Module specifications

  

			
	 Glass :
	  	 ***, 4mm thickness

	 Backsheet :
	  	 *** TPE, black, 1000 Vdc proof

	 J-box :
	  	 *** Junction box, IP65, 1000 Vdc proof

	 Diodes :
	  	 3 x IR 80sq045 shottky diode

	 Wire :
	  	 Huber&Suhner Radox 4mm2, length 1000mm

	 Connectors :
	  	 Multi-Contact type MC-KST3 and MC-KBT3

		
	 Size :
	  	 1558 x 798 x 30 mm

	 Frame :
	  	 *** aluminum frame (black anodized)

	 	  	 Or mutual agreeable alternative

  

			
	 *** frame profile :
	  	

  

			
	 Weight :
	  	 about 17kg (exact weight to be determined)

		
	 Certification:
	  	 modules to be certified according to IEC61215 and SKII, 1000 Vdc

		
	 Drawings :
	  	 see next page

		
	 Graphic:
	  	 Engineering Schematic

  

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	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  
 

 
  

 Page 10 of 15 

			
	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  
 APPENDIX B: Data sheet and specification of the A-300 solar cell 
  
 See Next Page 
  

 Page 11 of 15 

			
	 Supply Agreement between SunPower and Conergy
	 	April 17, 2004

  

					
	 	  	[SunPower Logo]
		
	 	  	A-300
	 	  	Single-Crystal Silicon Solar Cel
	 	  	 
	A-300 Cell Performance – Typical I-V Curve	  	 Construction:
	  	 All-back contact

	  	 Dimensions:
	  	 125 mm x 125 mm – normal

	 	  	 Thickness:
	  	 250 μm ± 30μm

	[graph]	  	 	  	 
	 	  	Typical Electrical Performance
	 	  	 Open Circuit Voltage:
	  	 0.665 V

	 	  	 Short Circuit Current:
	  	 5.75 A

	 	  	 Maximum Power Voltage:
	  	 560 V

	 	  	 Maximum Power Current:
	  	 5.35 A

	 	  	 Rated Power:
	  	 3.0 W

	 	  	 Efficiency:
	  	 20.0% minimum

		
	 	  	Temperature Coefficients
	 	  	 Voltage:
	  	 -1.9 mV / oC

	 	  	 Power:
	  	 -0.38 % / oC

	Voltage (V)	  	 	  	 
	 	  	 Attributes
	  	 
		
	Cell Backside View	  	 •        High efficiency reduces module assembly and system installation
costs

		
	(Dimensions in mm)	  	 •        Uniform front appearance—no contact grid

		
	[cell graphic]	  	 •        Back contact design simplifies circuit assembly

		
	 	  	 •        Lower temperature coefficient improves energy delivery

		
	 	  	 Packaging

		
	 	  	 •        Cells are packed in boxes of 250 each grouped in shrink-wrapped stacks of 50
with interleaving

		
	 	  	 •        Ten boxes are packed in a water-resistant “Master Carton”
containing 2,500 cells suitable for air transportation

		
	 	  	 •        Master Cartons are permanently labeled with cell tracking information and
date of manufacture

			
	 Supply Agreement between SunPower and Conergy
	 	April 17, 2004

  
 APPENDIX C: Minimum technical standard 
  
 The Parties shall jointly develop a detailed Product Qualification and Quality Reporting, and agree on the detailed description of quality standards and defects. Defects shall jointly be described and classified related to severity.

  
 Based on the above and the production audit to be carried out by Conergy in
April-2004 a detailed Product Qualification and Quality Reporting will be set up and attached to this Agreement. 
  
 Modules delivered under this Agreement will according to the minimum technical standard not be allowed to show one of the following (draft) defects. 
  

			
	 CODE

	  	 DRAFT DESCRIPTION OF INTOLERABLE DEFECTS

	 A
	  	***
	 B
	  	***
	 C
	  	***
	 D
	  	***
	 E
	  	***
	 F
	  	***
	 G
	  	***
	 H
	  	***
	 I
	  	***
	 J
	  	***
	 K
	  	***
	 N
	  	***
	 O
	  	***
	 P
	  	***
	 R
	  	***
	 S
	  	***
	 T
	  	***

  

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	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  
 APPENDIX D: Output and Product Warranty 
  

 Page 13 of 15 

			
	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  
 APPENDIX E: Action and milestone plan 
  
 See Next Page 
  
 * * * 
  

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	Supply Agreement between SunPower and Conergy	 	April 17, 2004

  
 APPENDIX F: Branding and labeling 
  

 Page 15 of 15 

			
	 Appendix to the Supply Agreement between SunPower and Conergy
	  	01/02/2005                    

  
 Appendix

 to the 
 Supply
Agreement 
 for the Supply of Modules 
  
 between 
  
 SunPower Corporation 430 Indio Way 
 Sunnyvale, CA 94085 USA 
  
 hereinafter called “SunPower” and 
  
 Conergy AG 
 Anckelmannsplatz 1 20537 Hamburg 
 Germany 
  
 hereinafter called “Conergy” 
  
 (SunPower and Conergy are
hereinafter collectively referred to as the “Parties” and individually as a “Party”) 
  
 Further to what is set forth in the Supply Agreement dated and signed April 17, 2004 the parties agree as follows: 
  

	 	1.	SunPower will *** in October 2004 (delivery of *** kWp until December 15, 2004) and the actual deliveries of *** kWp for the same period. Such *** will be effected by reducing the
price of the first ***kW (the “compensation volume”) of product delivered in 2005 as shown below: 

  

					
	 	  	 2004-Price  

	  	 Price for compensation volume (***%)

	 STM 210 F
	  	*** /Wp	  	*** /Wp
	 STM 210/5 F
	  	*** /Wp	  	*** /Wp
	 STM 190F/5/W
	  	*** /Wp	  	*** /Wp
	 STM 200 F
	  	*** /Wp	  	*** /Wp
	 STM 200/5 F
	  	*** /Wp	  	*** /Wp

  

	 	2.	The baseline delivery volume for 2005 will be *** MWp as shown in the table below. A volume is defined as delivered once it is provided to Conergy FCA SunPower’s factory in
Germany. The related deliveries will take place between January and December 15, 2005. In the event that Sunpower is unable to deliver the target Q2-Q4 module volume, Conergy shall have the option of purchasing A-300 solar cells in equivalent volume
at a price to be negotiated in good faith. 

  

			
	 2005 Period

	  	 MW Module Delivery

	 Q1
	  	***
	 Q2
	  	***
	 Q3
	  	***
	 Q4
	  	***

  

	 	3.	The target volume for Q1 is *** modules. In the event that air-freighting of laminates from China is necessary to achieve this delivery volume, SunPower agrees to share ***% of the
incremental air-freight expense up to a total contribution of €***. 

  

	 	4.	The price for the baseline volume (excluding the “compensation volume” under paragraph 1) will be at *** €/ Wp. 

  

	 	5.	The parties agree to a bi-directional price incentive relating to total 2005 volume supply. Products supplied in addition to the baseline 2005 supply volume will be invoiced at an
*** cent / watt premium over the baseline price. In the event that the actual total 2005 supply volume is less than *** MW (as defined by 

  

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 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION. 

			
	 Appendix to the Supply Agreement between SunPower and Conergy
	  	01/02/2005                    

  
 mutually agreed
accounting of 2005 product delivery) SunPower will reimburse Conergy for the shortfall in the form of a true-up payment to be made in January of 2006. The true-up payment may be deducted from invoices coming due in January 2005. The true-up will be
calculated on the basis of *** cents per watt for each watt that the actual total 2005 product supply is less than *** MW, up to a limit of €***. The limit of €*** will not apply if the total 2005 supply quantity to Conergy is less than
***% of SunPower’s actual 2005 total production volume (in module equivalent terms). 
  

	 	6.	The attached Quality-Specification is binding for all deliveries taking place from January 01, 2005. Any module or amounts delivered being outside of such specification and/or
showing either one of the non-tolerable defects will be rejected and regarded as not delivered unless Conergy has given written approval to any such deviation. 

  

	 	7.	For all modules *** product-specification of the STM 210F, STM 200F, and STM200FW, Conergy will receive a first-pick-option on a monthly basis on a mutually acceptable pricing
schedule to be defined. 

  

	 	8.	The parties agree that modules made completely in China may be supplied in place of modules finished in Germany. 

  

	 	9.	Conergy agrees to waive their option for an additional *** MW of product as specified in section 1b of the supply agreement. 

  

	 	10.	Conergy and SunPower intend to negotiate in good faith to grant SunPower the exclusive rights on the complete *** rights. 

  

	 	11.	All other stipulations of the Supply Agreement dated and signed April 17, 2004 will remain valid. 

  

					
	 Hamburg, January 31, 2005
	 	 	 	 Hamburg, January 31, 2005

			
	 Conergy AG
	 	 	 	 SunPower

			
	 /s/ Angiolo Laviziano

	 	 	 	 /s/ Peter C. Aschenbrenner

	 Angiolo Laviziano
	 	 	 	 Peter C. Aschenbrenner

	 Board Member
	 	 	 	 Vice President, Sales & Marketing

			
	 /s/ Thomas-Tim Savecke*

	 	 	 	 
	 Thomas-Tim Savecke
	 	 	 	 
	 Director
	 	 	 	 

	*	by power of attorney 

  

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	 2nd Appendix to the Supply
Agreement                                Conergy/SunPower
	  	12/05/2005

  
 Second Appendix

 to the 
 Supply
Agreement 
 for the Supply of Modules 
  
 between 
  
 SunPower Corporation 
 430 Indio Way 
 Sunnyvale, CA 94085 USA 
  
 hereinafter called “SunPower” 
  
 and 
  
 Conergy AG 
 Anckelmannspiatz 1 
 20537 Hamburg 
 Germany 
  
 hereinafter called “Conergy” 
  
 (SunPower and Conergy are hereinafter collectively referred to as the “Parties” and individually as a “Party”)

  
 Further to what is set forth in the Supply Agreement dated and signed April
17, 2004 and the Appendix to this Supply Agreement dated and signed February 01, 2005 the parties agree as follows: 
  

	 	1.	From Q2-05 onwards, SunPower will ship STM modules to Conergy in ocean freight containers on a regular basis from Shenzhen, China. Shipments of 40’ containers will take place
on a weekly basis according to the agreed Q2 shipping plan and for all further deliveries, subject to full container loads. 

  

	 	2.	Conergy will provide purchase orders for each container shipment according to the shipping plan with showing shipping terms: “FCA Shenzhen” on the purchase order. The
freight forwarder of Conergy’s choice will provide the container for loading the modules in time and pick up the container from the loading dock in China upon request of SunPower. 

  

	 	3.	The actual baseline pricing for shipments CFA to Conergy is set at *** €/Wp for A/class and *** €/Wp for B/class modules. For compensation of the transportation cost from
Shenzhen to a sea port in Europe (including insurance), a price of *** €/Wp will be deducted from the baseline price. In the following, Conergy will take over responsibility for all shipments from Shenzhen loading dock to the Conergy warehouse.

  

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 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION 

			
	 2nd Appendix to the Supply
Agreement                                Conergy/SunPower
	  	12/05/2005

  

	 	4.	The pricing mentioned in (3) is translated into the following pricing table: 

  

Conergy pricing table Q2-2005 
  

															
	 Modules shipped FCA Shenzhen by ocean to Conergy

	 	 	***/class pricing

	 
	 actual module type

	  	Wp

	  	price/Wp

	 	 	price/pc

	 	 	price/WP

	 	 	price/pc

	 
	 STM 210 F
	  	210	  	***	€	 	***	€	 	***	€	 	***	€
	 STM 200 FW
	  	200	  	***	€	 	***	€	 	***	€	 	***	€
	 STM 190 FW
	  	190	  	***	€	 	***	€	 	***	€	 	***	€
	 STM 210 FB
	  	210	  	***	€	 	***	€	 	***	€	 	***	€
	 STM 200 F
	  	200	  	***	€	 	***	€	 	***	€	 	***	€
	 STM 190 FB
	  	190	  	***	€	 	***	€	 	***	€	 	***	€

  

	 	5.	Modules shipped to Conergy in 40” containers will be palletized. Each container will hold about 420 modules 

  

	 	6.	In order to minimize shipping cost, SunPower will carry out a test shipment within Q*** in order to prove, that the method of hand stacking the container and palletizing on site at
the European port will save significant cost. SunPower will organize the whole shipment and monitor the first hand stacking action for quality assurance purposes. In the case that shipping cost will be significantly reduced by this method and
modules will arrive palletized at the Conergy warehouse in good shape, Conergy agrees to re-adjust pricing upon the possible change or the shipping method. 

  

	 	7.	The original payment terms of *** shall be corrected to *** in order to accommodate the time of shipping on the water. 

  

	 	8.	All other stipulations of the Supply Agreement dated and signed April 17, 2004 and the Appendix to this Supply Agreement dated and signed February 01, 2005 will remain valid and
unchanged. 

  

					
	 Hamburg, May 12, 2005
	 	 	 	 Hamburg, May 12, 2005

			
	 Conergy AG
	 	 	 	 SunPower Corp.

			
	 /s/ Thomas-Tim Savecke*

	 	 	 	 /s/ Peter C. Aschenbrenner

	 Thomas-Tim Savecke
	 	 	 	 Peter C. Aschenbrenner

	 Director
	 	 	 	 Vice President, Sales & Marketing

	
 * by power of attorney
	 	 	 	 
			
	 /s/ Edmund Stassen

	 	 	 	 
	 Dr. Edmund Stassen
	 	 	 	 
	 Board
	 	 	 	 

  

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 *** CONFIDENTIAL MATERIAL REDACTED AND SEPARATELY FILED WITH THE COMMISSION

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