Energy Storage Resources: Base Point Deviation Charges Overview
Explore the proposal for a new Base Point Deviation (BPD) settlement system for Energy Storage Resources (ESRs) incorporating tiered deviation tolerances. Learn about the single model ESR registration, SCED base point handling, telemetering, and settlement intervals. Discover the tiered deviation tolerances based on Average Aggregated Base Point (AABP) values for ESRs.
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Presentation Transcript
KTC-7: Base Point Deviation Charges for Energy Storage Resources- Single Model Magie Shanks ERCOT BESTF Meeting 11/04/2019
Overview Create a new Base Point Deviation (BPD) Settlement for the Single Model Energy Storage Resource (ESR). Incorporate proposal for tiered deviation tolerances for ESRs. 2 PUBLIC
Base Point Deviation Settlement The ESR: Will be registered as a single Resource. Can receive both positive and negative SCED base points. Will telemeter generation/consumption as a single value, either positive or negative, for the Resource. BPD for ESR will mimic both the current BPD settlement for Generation Resources and Generation and Controllable Load Resource (GCLR) Group (proposed in NPRR963). 3 PUBLIC
Base Point Deviation Settlement 10 8 OVER 6 4 Tolerance 2 Tolerance MWh 0 1 2 3 -2 Tolerance -4 UNDER -6 -8 Settlement Intervals Gen/Cons AABP 4 PUBLIC
Deviation Tolerances Tiered Approach based on AABP for ESR AABP = AVGBP + AVGREG Proposed ESR Tolerances: ABS(AABP) 10 MW 3 MW or 3% of AABP ABS(AABP) > 10MW 5 MW or 5% of AABP 5 PUBLIC
Questions? 6 PUBLIC
