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Exhibit 10.2
  SUPPLY AGREEMENT
 between
    
    Wacker Chemie AGHanns-Seidel-Platz 481737 MunichFederal Republic of Germany- hereinafter referred to as "WACKER" -andEvergreen Solar, Inc.138 Bartlett StreetMarlboro, MA 01752USA- hereinafter referred to as BUYER -
 Preamble




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2 1.
    
    ProductWACKER agrees to sell and deliver and BUYER agrees to purchase and take the polycrystalline
Silicon manufactured by WACKER as defined per specification set forth in Appendix A
(hereinafter referred to as ,,PRODUCT).2.
    
    Quantities2.1
    
    The BUYER shall make the agreed prepayment according to the payment schedule set forth in
Appendix A.WACKER shall sell and deliver to BUYER and BUYER will purchase and take from WACKER the annual
quantities of PRODUCT set forth in Appendix A.3.
    
    Prices / Payment Terms3.1
    
    The prices for the PRODUCT are set forth in Appendix A.3.2
    
    The prices under Section 3.1 above shall be firm until 31.12.2018 and only subject to change,
if the relevant energy price index, defined in Appendix C, increases or decreases [***]. The agreed
prices will be adjusted by the rate (Euro/kg) as specified in the table in Appendix C.3.3
    
    WACKER shall invoice BUYER with each shipment of PRODUCT. BUYER shall pay such invoices net
within 30 (thirty) days from the date of such invoices.4.
    
    Delivery4.1
    
    PRODUCT shall be delivered FCA German Seaport (Incoterms 2000).4.2
    
    All deliveries of PRODUCT are subject to WACKERs General Conditions of Sale set forth in
Appendix Band hereby made part of this Agreement, provided, however, that if there is any
conflict between the terms of this Agreement and the said Conditions of Sale the terms of this
Agreement shall prevail.4.3
    
    The agreed annual quantities for the years 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 and
2018 will be shipped in about equal monthly instalments.5.
    
    Quality / Inspection and Testing5.1
    
    The PRODUCT supplied by WACKER shall conform to the specifications set forth in Appendix A.5.2
    
    It is understood and expressly agreed that the PRODUCT delivered by WACKER hereunder are
PRODUCTS of technical quality only and BUYER is exclusively responsible for fitness for
purpose, handling, use and application of the PRODUCT.




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3 5.3
    
    Upon receipt of each shipment of PRODUCT BUYER shall inspect the PRODUCT. Unless BUYER
notifies WACKER [***] after the arrival of the shipment at Buyer  ́s premises or warehouse, that
it does not conform to the quantity ordered or WACKER  ́s certificate of quality does not
conform to the specifications set forth in Appendix A, said shipment shall be deemed to have
been delivered as ordered and
WACKER  ́s certificate of quality shall be deemed to conform to the specifications.6.
    
    Warranty / Liability6.1
    
    WACKER warrants solely that the PRODUCT delivered shall conform to the specifications set
forth in Appendix A. Except for the warranty provided above, WACKER disclaims any and all
other express or implied warranties with respect to the PRODUCT, and any warranty of
merchantability or fitness for a particular purpose is expressly disclaimed.6.2
    
    BUYERs exclusive remedy and WACKERs sole obligation for any claim or cause of action
arising under this Agreement because of defective PRODUCT is expressly limited to either (i)
the replacement of non-conforming PRODUCT or the repayment of the purchase price of the
respective quantity of PRODUCT; OR (ii) [***]. Any remedy is subject to BUYER giving WACKER
notice as provided for in Section 5.3.6.3
    
    The parties agree that the remedies provided in this Agreement are adequate and that except
as provided for above, neither party shall be liable to the other, whether directly or by way
of indemnity or contribution for special, incidental, consequential or other damages arising
from the breach of any obligation hereunder or for any other reason whatsoever, including
actions for tort, strict or product liability, patent or trademark infringement except as
provided for herein.7.
    
    Confidentiality7.1
    
    BUYER may use all the information disclosed by WACKER under this Agreement only for the
purposes contemplated herein.7.2
    
    BUYER agrees to keep secret such information and to take the necessary measures to prevent
any disclosure to third parties.7.3
    
    BUYER is responsible for assuring that secrecy is maintained by its employees and agents.7.4
    
    The secrecy obligation does not apply to information
 
    
    where BUYER can prove that is was known to BUYER prior to its receipt;




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4 
    
    which is or has become generally available to the public prior to its receipt;
    
    which is or has become generally available to the public without being the result of a breach of this Agreement;
    
    which is in accordance with information BUYER received or got access to from an entitled person without any obligation
of secrecy;
    
    where WACKER approved the disclosure in a particular case in writing.
 7.5
    
    The secrecy obligation shall survive the term of this Agreement.8.
    
    Security InterestBUYER hereby grants WACKER a continuing security interest in any PRODUCT and in the proceeds
(including proceeds of sale or insurance) until the entire purchase price for the PRODUCT
currently or previously sold to BUYER is paid and until all late payment interest, legal fees
and expenses required to enforce WACKERs rights and any costs, expenses, taxes or other
charges required to be paid by BUYER to WACKER have been paid in full. BUYER specifically
agrees that WACKER may file one or more financing statements or other documents and take all
necessary or appropriate in order to create, perfect, preserve or enforce WACKERs security
interest in the PRODUCT pursuant to the Uniform Commercial Code and other applicable law, and
hereby grants to WACKER a power of attorney to execute such statements or documents in BUYERs
name. WACKERs reasonable costs and expenses (including, but not limited to, attorneys fees
and expenses for pursuing, searching for, receiving, taking, keeping, storing, advertising and
selling the PRODUCT shall be paid by BUYER who shall remain liable for any deficiency resulting
from a sale of the PRODUCT and shall pay any deficiency forthwith on demand. The requirement of
reasonable notice of sale shall be met if such notice is mailed and addressed to BUYER at its
last address appearing on WACKERs records at least 30 days prior to the date of sale.9.
    
    Force Majeure9.1
    
    If either party should be prevented or restricted directly or indirectly by an event of Force
Majeure as hereinafter defined from performing all or any of its obligations under this
Agreement, the party so affected will be relieved of performance of its obligations hereunder
during the period that such event and its consequences will continue, but only to the extent
so prevented, and will not be liable for any delay or failure in the performance or any of its
obligations hereunder or loss or damage whether direct, general, special or consequential
which the other party may suffer due to or resulting from such delay or failure, provided
always that prompt notice is given by the affected party to the unaffected party by facsimile
or telephone of the occurrence of the event constituting the Force Majeure, together with
details thereof and an estimate of the period of time for which it will continue.




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5 9.2
    
    The term Force Majeure shall include without limitation strike, labour dispute, lock out,
fire, explosion, flood, war (accident), act of god or any other cause beyond the reasonable
control of the affected party, whether similar or dissimilar to the causes enumerated above.10.
    
    AssignmentThis Agreement or any part thereof is not assignable by either party without the prior written
consent of the other party.11.
    
    Entire Agreement11.1
    
    This Agreement constitutes the whole agreement between the parties as to the subject matter
thereof and no agreements, representations or warranties between the parties other than those
set out herein are binding on the parties.11.2
    
    No waiver, alteration, or modification of this Agreement shall be valid unless made in
writing and signed by authorized representatives of the parties.12.
    
    SeverabilityIn the event, any provision of this Agreement shall be declared invalid, illegal or
unenforceable, the validity, legality and enforceability of the remaining provisions shall not
in any way be affected or impaired thereby.13.
    
    HeadingsThe headings of the articles of this Agreement are inserted for convenience only and shall not
be deemed to constitute a part of this Agreement or to affect the construction hereof.14.
    
    Duration / Termination14.1
    
    This Agreement will commence on the August 31, 2007 and will endure for a defined period of
11 (eleven) years and 4 (four) months.




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6 15.
    
    Applicable Law / JurisdictionThis Agreement shall be construed and the legal relations between the parties hereto shall be
determined in accordance with the laws of Germany; the application of the 1980 United Nations
Convention on Contracts for the International Sale of Goods is expressly excluded.Exclusive place of jurisdiction shall be Munich.
 Wacker Chemie AG
    
    Evergreen Solar, Inc.WACKER POLYSILICONDate: July 24, 2007
    
    Date: July 20, 2007/s/ Ewald Schindlbeck
    
    /s/ Michael El-HillowEwald Schindlbeck
    
    Michael El-HillowPresident
    
    Chief Financial Officer/s/ Reimund HuberReimund HuberDirector Marketing & Sales




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7 Appendix A
 Solargrade Polysilicon
 Specification PCL-NCS (B)
 Annual quantity
    
    Price Euro/kgCalendar year
    
    in kg
    
    ex works Burghausen2010
    
    [***]
    
    [***]2011
    
    [***]
    
    [***]2012
    
    [***]
    
    [***]2013
    
    [***]
    
    [***]2014
    
    [***]
    
    [***]2015
    
    [***]
    
    [***]2016
    
    [***]
    
    [***]2017
    
    [***]
    
    [***]2018
    
    [***]
    
    [***]
 Prepayment schedule




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8 Appendix B  General Conditions of Sale




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9




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10 Appendix C , page 1 of 2
 Relevant Energy Price index:
  Source:
  Evaluation periods:
 Price Adjustment Table:
 
 Price AdjustmentCN/CB (%)
    
    EURO / kg[***]
    
    [***][***]
    
    [***][***]
    
    [***][***]
    
    [***][***]
    
    [***][***]
    
    [***][***]
    
    [***][***]
    
    [***]




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11 Appendix C, page 2 of 2




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Specification:
    
    PCL-NCS
    
    Version: BDate of Issue:
    
    10.07.2007
 Product
    
    HYPER PURE SILICON, POLY, SOLAR APPLICATION[***]Supplier
    
    Wacker Chemie AG Polysilicon / Site BurghausenManufacturer
    
    Wacker Chemie AG Polysilicon / Site Burghausen
  agreed upon :
 Evergreen Solar Inc:Name / Position / DateWacker Chemie AG:Name / Position / DateWacker Chemie AG:Name / Position / Date
 Distribution :
 Evergreen Solar Inc
    
    Wacker Chemie AG Polysilicon LogisticsCopies
    
    
    1
    
    
    
    1
 List of Revisions:
 New issue/Change
    
    Description
    
    Date
    
    RevisionNew issue
    
    
    
    
    29.03.2000
    
    
    AChange
    
    4. Labels/Report on inspection
    
    
    20.07.2006
    
    
    B> revised values for delivery note> revised values for Certificate of
compliance> new item 4.3
 page 1 of 4




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1.
    
    Material of Specification and Application1.1
    
    This SPECIFICATION describes requirements for solar grade silicon material, which is
purchased by CUSTOMER from WACKER.1.2
    
    In case that either CUSTOMER or WACKER wishes to change all or part of SPECIFICATION, such
party will give notice to the other party [***] prior to the date upon which it wishes such
change to take effect unless otherwise mutually agreed.1.3
    
    This SPECIFICATION sets acceptance and rejection criteria for all incoming solar grade
silicon material, and supersedes all the previous.2.
    
    Production MethodThe delivered silicon chips are produced [***] as feed stock gas.3.
    
    Values and Analytical methods
 Parameter
    
    Values and Units
    
    Analytical methods
    
    NotesBulk purity and
Resistivity
    
    [***]
    
    [***]
    
    [***][***]
    
    [***]
    
    will be delivered as collective
consignment with
corresponding
collectve lot
numbers.[***]
    
    [***]Surface Metals
    
    [***]
    
    [***]Resistivity
    
    [***]
 Size
    
    Length
    
    Weight
    
    Notes[***]
    
    [***]
    
    [***]
    
    [***]
 page 2 of 4




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Parameter
    
    NotesSurface condition
    
    [***]Surface morphology, Discolourations and Stains
    
    [***]Foreign substances
    
    [***]Weight
    
    [***]Packing
    
    [***]
 4.
    
    Labels/Report on Inspection4.1
    
    Labels on[***]The label on the [***] will give the information about
 (1)
    
    Manufacturer(2)
    
    Collective lot number(3)
    
    Weight(4)
    
    Guaranteed values for resistivity(5)
    
    [***](6)
    
    Poly grade: Solar Poly(7)
    
    Article name
 4.2
    
    Labels on PalletsThe label on the pallet will give the information about
 (1)
    
    Manufacturer(2)
    
    Collective lot number(3)
    
    Weight of pallet(4)
    
    Specification number
 4.3
    
    Bags and pallets can contain additional labels and/or additional information for internal
purposes4.4
    
    Delivery NoteTo accompany each shipment with the information about
 (1)
    
    Order number(2)
    
    Quantity(3)
    
    Collective lot numbers / Quantity(4)
    
    Specification number(5)
    
    [***]
 4.5
    
    Certificate of ComplianceTo accompany each shipment with the information about
 (1)
    
    Order number(2)
    
    Product name
 page 3 of 4




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5.
    
    Procedure of Claim Handling5.1
    
    Generally claims refer to lots.5.2
    
    Upon receiving a notice of quality problem or a claim notice from CUSTOMER, WACKER
investigates causes of such problem or claim and [***] after receiving a sample of the claimed
lot.5.3
    
    All the costs incurred relating to any rejection set out in this article are [***].
 page 4 of 4