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David Kee CPS Energy Energy Supply & Market Operations

NPRR 532 Performance Measurement & Verification and Telemetry Requirements for Load Resources providing Non-Spin. David Kee CPS Energy Energy Supply & Market Operations. Challenges. Load Resources providing Ancillary Services

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David Kee CPS Energy Energy Supply & Market Operations

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  1. NPRR 532 Performance Measurement & Verification and Telemetry Requirements for Load Resources providing Non-Spin David Kee CPS Energy Energy Supply & Market Operations

  2. Challenges • Load Resources providing Ancillary Services • Protocols do allow for Load Resources to provide Ancillary Services

  3. Definition: Non-Spinning Reserve (Non-Spin) • An Ancillary Service that is provided through use of the part of Off-Line Generation Resources that can be synchronized and ramped to a specified output level within 30 minutes (or Load Resources that can be interrupted within 30 minutes) and that can operate (or Load Resources that can be interrupted) at a specified output level for at least one hour. Non-Spin may also be provided from unloaded On-Line capacity that meets the 30-minute response requirements and that is reserved exclusively for use for this service.

  4. Challenges • Load Resources providing Ancillary Services • Protocols do allow for Load Resources to provide Ancillary Services • Protocols don’t contemplate Measurement and Validation of Aggregated Load Resources which prevents qualification & testing

  5. Deployment Methodology • Comments and proposed changes to ERCOT desk procedures create the best solution • Deploy the Non Spin provided by LR last • Holds MW out until needed prior to EEA (market issue with price suppression)

  6. Deployment Example Moves LR MW up in capacity stack LR ??? Gen & LR Gen Gen Gen

  7. QUESTIONS…?

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