PRR Comments PRR Number 486PRR Date Name E-mail Address Company Company Address Phone Number Fax Number PRR Title Fuel Oil Inventory Service February 5, 2004 Submitter’s Information Eric Schubert eric.schubert@puc.state.tx.us Market Oversight Division 1701 N. Congress 512-936-7398 ERCOT/Market Segment Impacts and Benefits Instructions: To allow for comprehensive PRR consideration, please fill out each block below completely, even if your response is “none,” “not known,” or “not applicable.” Wherever possible, please include reasons, explanations, and cost/benefit analyses pertaining to the PRR. Impact Business Computer Systems Benefit ERCOT MARKET SEGMENT Consumer LSE: General, Including NOIE LSE: CR & REP QSE Resource TDSP 106735778 Page 1 of 2 PRR Comments Comments While MOD does not support or reject this PRR, if the PRS decides to approve this type of Ancillary Service, then the bidding should be open to demand-side Resources. Increased demand response in the face of unusual weather conditions could be just as beneficial to system reliability as oil-fired generation. Revised Proposed Protocol Language 106735778 Page 2 of 2