Exhibit 10.71  CHANGE IN TERMS AGREEMENT  Principal$10,000,000.00
  
  Loan Date02-16-2010
  
  Maturity 
  04-05-2010
  
  Loan No
  15525078252
  
  Call/Coll
  1A2 / 101
  
  Account
  
  Officerkrugeg
  
  Initials
  References
in the boxes aboveare for Lenders
use only and do not limit the
applicability of this document to any
particular loan or item. Any item above containing *** has been
omitted due to text length limitations.  Borrower:
  TOWER TECH SYSTEMS INC
  Lender:
  GREAT WESTERN BANK101 S16THST PO BOX 1957
  
  Sioux FallsMANITOWOC,WI 54221-1857
  
  200 E 10thStreetSioux Falls, SD 57104  Principal Amount: $10,000,000.00
  Date of Agreement: February 16, 2010  DESCRIPTION OF EXISTING INDEBTEDNESS.LOAN #15525078252 FROM TOWER
TECH SYSTEMS INC TO GREAT WESTERN BANK DATED APRIL 28, 2009.  DESCRIPTION OF COLLATERAL.A COLLATERAL REAL ESTATE MORTGAGE: COMMERCIAL
SECURITY AGREMENT & AN ASSIGNMENT OF DEPOSIT ACCOUNT SAVINGS #1347401
FROM TOWER TECH SYSTEMS, INC TO GREAT WESTERN BANK DATED APRIL 28, 2009 AND A
SUBORDINATION AGREEMENT BY AND BETWEEN GREAT WESTERN BANK AND BROADWIND ENERGY,
INC DATED APRIL 27, 2009 AND COMMERCIAL GUARANTY FROM BROADWIND ENERGY, INC TO
GREAT WESTERN BANK.  DESCRIPTION OF CHANGE IN TERMS.TO EXTEND MATURITY DATE ON NOTE &LINE
OF CREDIT TO APRIL 5, 2010. INTEREST RATE TO REMAIN AT 7.50%. THE NEXT MONTHLY
INTEREST PAYMENT WILL BE DUE ON MARCH 5, 2010 AND CONTINUE EACH MONTH
THEREAFTER UNTIL MATURITY ON APRIL 5, 2010. INTEREST WAS PAID TO FEBRUARY 5, 2010
WITH THE LAST MONTHLY PAYMENT. BORROWER AGREES TO PAY A DOCUMENTATION FEE OF
$250,00 TO GREAT WESTERN BANK UPON EXECUTION OF THIS CHANGE IN TERMS AGREEMENT.  CONTINUING VALIDITY.Except
as expressly changed by this Agreement, the terms of the original obligation or
obligations, including all agreements evidenced or securing the obligation(s), remain
unchanged and in full force and effect. Consent by Lender to this Agreement
does not waive Lenders right to strict performance of the obligation(s) as
changed, nor obligate Lender to make any future change in terms. Nothing in
this Agreement will constitute a satisfaction of the obligation(s). It is the
intention of Lender to retain as liable parties all makers and endorsers of the
original obligation(s), including accommodation parties, unless a party is
expressly released by Lender in writing. Any maker or endorser, including
accommodation makers, will not be released by virtue of this Agreement. It any
person who signed the original obligation does not sign this Agreement below, then
all persons signing below acknowledge that this Agreement is given
conditionally, based on the representation to Lender that the non-signing party
consents to the changes and provisions of this Agreement or otherwise will not
be released by it. This waiver applies not only to any initial extension, modification
or release, but also to all such subsequent actions.  PRIOR TO SIGNING THIS AGREEMENT, BORROWER READ AND UNDERSTOOD ALL THE
PROVISIONS OF THIS AGREEMENT. BORROWER AGREES TO THE TERMS OF THE AGREEMENT.  BORROWER:
  
  LENDER:TOWER TECH SYSTEMS INC
  
  GREAT WESTERN BANKBy:
  /s/ Michael L Salutz
  
  /s/ Gerald KrugerMichael L Salutz, Group
  Controller
  
  Gerald Kruger, SVPTOWER TECH SYSTEMS INC