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Dear Michael,
We, too, enjoyed the opportunity to meet with you last Thursday and appreciate the candid feedback you and Michael were able to give us regarding the PA projects. We are currently investigating your and Mr. Winsor's issues regarding availability, noise, blades, electronic faults, and cold weather faults. I suggest we schedule a conference call with our Operations team and Mr. Winsor this week to clarify and resolve any issues you may have. We appreciate your business, and look forward to serving you better in the future. Best regards, Benjamin Bell GE Wind Energy 661-823-6827 Michael@zilkha.com on 05/23/2002 11:40:05 AM To: steven.zwolinski@ps.ge.com, colleen.repplier@ps.ge.com, benjamin.bell@ps.ge.com cc: Joe@zilkha.com, mskelly@zilkha.com, rwinsor@zilkha.com Subject: FW: GEWE reporting and follow-up I wanted to thank all three of you for coming to meet with us this morning. It is very exciting to have GE in this business. I am forwarding the following e-mail since I thought you would want to know what the feelings currently are in the trenches at Zilkha in terms of the PA projects. The projects were commissioned six months ago so I can understand the frustration. We look forward to seeing you at AWEA and to a long and fruitful relationship. With best wishes, Michael < -----Original Message----- < From: Rick Winsor < Sent: Thursday, May 23, 2002 1:15 PM < To: Michael Zilkha < Cc: Michael Skelly < Subject: GEWE reporting and follow-up < < Michael, < < I spoke with Michael Skelly about your meeting this morning with GEWE and he suggested that I might give you something specific on certain GEWE issues. < < We are drafting a formal letter to GEWE to express our concerns with their overstating of availability and general unresponsiveness to issues. In our view their performance is unacceptable. < < Along those lines, attached is an analysis of availability for the January - March period for both Mill Run (10 machines) and Somerset (6 machines). The attachment shows in the second last column the GEWE reported availability and in the third last column an availability number we determined after significant data analysis. We believe that GEWE overstates their availability numbers by up to 4%. We have shared this information with GEWE personnel but they quite frankly just shrug off our inquiries. < < Issues on noise, blade failures, electronic failures, cold weather faults, etc. are not at all adequately responded to by GEWE and we will be reiterating in our letter this concern. < < Also attached is an e-mail of today regarding Gary's observations on GEWE's April reports. < < Have a safe trip home. < < regards < < rick < < < < < <<Mill Run & Somerset Monthly reports<< < < <<Availability.zip<< < < < < < Rick Winsor < Zilkha Renewable Energy < 1001 McKinney, Suite 1740 < Houston, TX 77002 < < rwinsor@zilkha.com < www.zilkha.com < Telephone 713-571-6640 < Direct 713-265-0244 < Fax 713-571-6659 < e-fax 253-541-8837 < Cellular 713-870-5504 < Content-Transfer-Encoding: quoted-printable X-MimeOLE: Produced By Microsoft Exchange V6.0.5762.3 Content-Class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Subject: Mill Run & Somerset Monthly reports Date: Thu, 23 May 2002 11:03:58 -0500 Message-ID: <C4F6659E22D8194B925933CC808802540FC15D@server4.zilkha.com< X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Mill Run & Somerset Monthly reports Thread-Index: AcICc2zvlTjbDznqRMKWdw4R6bKDng== From: "Gary Verkleeren" <GVerkleeren@zilkha.com< To: <kurt.anderson@ps.ge.com< Cc: "Rick Winsor" <rwinsor@zilkha.com<, "Mark Haller" <mhaller@zilkha.com<, <joseph.thorpe@ps.ge.com< Kurt, I have a few questions relating to the Monthly Reports prepared for the Mill Run and Somerset Wind Farms. They are as follows: * On April 5th the Main Circuit Breaker located within the pad mounted transformer on WTG#7 at Mill Run was torn apart and replaced by Marvin Blanco (GE Turbine Tech.). In addition, on or about this same date IGBT's were replaced within the same turbine. Nowhere in the Monthly report are these issues mentioned, please explain? * WTG#9 at Mill Run experienced downtime between 4-17-02 at 10:00 A.M. and 4-24-02 at 4:00 P.M. this equates to 7 days - 6 hrs. or 7.25 days. Assuming WTG#7 operated fault free the entire month (its availability at 100%) except for the above mentioned period of 7.25 days, the best possible availability that could be realized would be (1-(7.25/30) x 100) = 75.8%. Please explain how the availability of this turbine can be 78.6% as listed in the Monthly Report? * On 4-25-02 WTG#8 experienced several hours of repair time due to worn HV cable which had been rubbing against the ladder rungs at the yaw deck level. Apparently, the bundle of cables sways or moves during normal operation and over an extended period it caused significant wear to the protective coating/insulation. Why was this not mentioned? Are other turbines experiencing this problem? Is there a retrofit being considered? * On 4-28-02 a storm event with heavy winds rolled through the area. Turbines #2, #3, and #8 at Mill Run all experienced faults requiring component replacements. The Summary on individual turbine activity in the monthly report does not reflect this, neither does the Consumption Log also contained within the Monthly Report, please explain? In fact, WTG#8 required a new rack of IGBT's as a result of this storm event and no mention is made in the report to an IGBT replacement for this turbine. Furthermore, on 4-30-02 a new rack of IGBT's was installed in WTG#8 and they were blown upon start up. IGBT's are major components, As a minimum I would expect the monthly reports to include major component failures/replacements. * I need clarification on what exactly Section 7. EXHIBITS is attempting to demonstrate. Surely, this is not an attempt to list all faults that a turbine experienced for the current month. How are you selecting the faults you choose to include on the list? For example, WTG#4 lists one (1) fault for the month and clearly that was not the case. As one example, check the operational activity for WTG#4 on 4-22-02 where it experienced multiple faults among them "Gearbox Oil Pressure Too Low." We have to have a better account of the operational history of these wind farms through GE Wind Monthly Reports. I understand that the company as a whole has been consumed with many other tasks relating to the recent acquisition and that your attention has been elsewhere. Nevertheless, we need to work together in order to improve the accuracy and attention to important details that is lacking within these reports. I look forward to working with you and Joe to make these projects better and more accountable. Best Regards, Gary Gary Verkleeren Zilkha Renewable Energy 68 Braddock Drive Ohiopyle, PA 15470 Office: 724 434-1542 Mobile: 724 554-0924 Fax: 724 434-1543 - Availability.zip
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