Exhibit 10.19(b) ---------------- Southern California Alan J. Fohrer Edison Chief Executive Officer An Edison International Company May 12, 2003 VIA FACSIMILE & U.S. MAIL Eric Gadd Enron Wind, LLC 1400 Smith Street Houston, TX 77002 Edward F. Tancer General Counsel FPL Energy, LLC 700 Universe Blvd. Juno Beach, Florida 33408 Re: Letter Agreement Extending Certain Deadlines in Sections 5.2, 15.2.3 and 15.2.3 of the Master Definitive Agreement Dated January 15, 2003 Gentlemen: Please refer to the Master Definitive Agreement Among Southern California Edison Company, Enron Wind LLC, ESI Sky River Limited Partnership, ESI VG Limited Partnership and PPA Sellers, dated January 15, 2003 (the "MDA"). All undefined, capitalized terms used herein shall have the same meanings they have in the MDA. This Letter Agreement will memorialize the agreement of the Parties, effective as of February 13, 2003, to amend the MDA as follows: 1. Section 5.2 of the MDA is amended by deleting the words "one hundred and eighty (180)" and replacing them with the words "two hundred and twenty-two (222)." 2. Section 15.2.2 of the MDA is amended to provide that the time for the filing at FERC contemplated therein is extended by one Business Day; 3. Section 15.2.3 of the MDA is amended to provide that the time for the filing at the CPUC contemplated therein shall be extended by seven (7) calendar days. P.O. Box 800 2244 Walnut Grove Ave. Rosemead, CA 91770 626-302-1379 Fax 626-302-4737 Eric Gadd Enron Wind, LLC Edward F. Tancer General Counsel FPL Energy, LLC Page 2 May 12, 2003 For purposes of this Letter Agreement only, the Parties have agreed that an exchange of signature pages by facsimile will be sufficient to amend the MDA as set forth above without further action of the Parties. Nothing in this Letter Agreement shall be deemed to constitute an admission or be used as evidence in any proceeding or otherwise except for the purpose of demonstrating the extensions of time provided for herein. Upon your receipt of this letter, I ask that you arrange for an authorized representative of each of the Parties listed below to countersign a copy of this letter in the places provided and that copies of the executed signature pages be returned by facsimile to the attention of James B. Woodruff at facsimile number 626-302-1904. Very truly yours, /s/ Alan J. Fohrer Alan J. Fohrer Chief Executive Officer cc: David M. Koogler, Esq. (via electronic mail) John A. Lamb, Esq. (via electronic mail) Joel D. Newton, Esq. (via electronic mail) Eric Gadd Enron Wind, LLC Edward F. Tancer General Counsel FPL Energy, LLC Page 3 May 12, 2003 Agreed to and Accepted Enron Wind LLC Enron Wind Systems, LLC By: /s/ Eric D. Gadd By: /s/ Eric D. Gadd --------------------------- --------------------------- (print) /s/ Eric D. Gadd (print) /s/ Eric D. Gadd ----------------------- ------------------------ Its: President and CEO Its: President and CEO ------------------ ------------------- 5/14/03 5/14/03 ----------------------- ------------------------ Cabazon Power Partners LLC ZWHC LLC By: /s/ Eric D. Gadd By: /s/ Eric D. Gadd --------------------------- --------------------------- (print) /s/ Eric D. Gadd (print) /s/ Eric D. Gadd ----------------------- ----------------------- Its: President and CEO Its: President and CEO ------------------ ------------------ Date: 5/14/03 Date: 5/14/03 ------------------------ ------------------------ Painted Hills Wind Developers Zond Windsystems Partners, Ltd. Series 85-A By: Enron Wind Systems, LLC By: Zond Windsystems Management III LLC, Its managing joint Its general partner venturer By: /s/ Eric D. Gadd By: /s/ Eric D. Gadd ----------------------- --------------------------- (print) /s/ Eric D. Gadd (print) /s/ Eric D. Gadd -------------------- ----------------------- Its: President and CEO Its: President and CEO ----------------- ----------------- Date: 5/14/03 Date: 5/14/03 ---------------------- ------------------------ Eric Gadd Enron Wind, LLC Edward F. Tancer General Counsel FPL Energy, LLC Page 4 May 12, 2003 Zond Windsystems Partners, Ltd. Series 85-B By: Zond Windsystems Management IV LLC, Its general partner By: /s/ Eric D. Gadd -------------------------- (print) /s/ Eric D. Gadd ---------------------- Its President and CEO ------------------ Date: 5/14/03 ---------------------- ESI Sky River Limited Partnership ESI VG Limited Partnership By: ESI Sky River, Inc. By: ESI Victory, Inc. Its general partner Its general partner By: By: -------------------------- --------------------------- (print) (print) ---------------------- ----------------------- Its: Its: ------------------ ------------------- Date: Date: ------------------------ ------------------------- Sky River Partnership By: ESI Sky River Limited By: Sky River LLC, Partnership, Its general partner Its general partner By: /s/ Eric D. Gadd -------------------------- By: ESI Sky River, Inc., (print) /s/ Eric D. Gadd ---------------------- Its general partner Its President & CEO ------------------ By: Date: 5-14-2003 -------------------------- ------------------------ ------------------------ Its -------------------- Eric Gadd Enron Wind, LLC Edward F. Tancer General Counsel FPL Energy, LLC Page 4 May 12, 2003 Victory Garden Phase IV Partnership By: ESI VG Limited Partnership, By: Victory Garden LLC, Its general partner Its general partner By: ESI Victory, Inc., By: /s/ Eric D. Gadd --------------------------- Its general partner (print) /s/ Eric D. Gadd ----------------------- By: Its President & CEO ---------------------------- ------------------- (print) Date: 5-14-2003 ------------------------ ------------------------ Its --------------------- Date: --------------------------- Acknowledged by and Consented to: Wind System Trust By: /s/ Robbye Waldron ---------------------------- Robbye Waldron Managing Trustee Wind Development Trust By: /s/ Robbye Waldron ----------------------------- Robbye Waldron Managing Trustee