2022 Cold Weather Events

The Gist A winter storm hit ERCOT  February 3-5, 2022, resulting in a peak load of approximately 69GW on the morning of February 4th.  The grid was not substantially stressed during this event.  What was noteworthy, however, was the size of the miss on the load forecast.  Load was predicted to peak at 74.7GW (~6GW…

Voltage Support Service

The Gist As part of the Phase 1 2021 Market Reform efforts of the PUC, ERCOT was directed to investigate (and eventually implement) a Voltage Support Service.  At this point it is unclear what it will look like.  ERCOT currently has protocol language to compensate resources for opportunity costs if they have to back down…

Reliability Must Run Contracts for Resource Owned Transmission Equipment

The Gist ERCOT is considering requiring inclusion of resource owned transmission equipment in Notice of Suspension of Operation (forms (NSO – how a market participant notifies ERCOT that they plan to retire a resource so that ERCOT can study it to see if it is required for system stability and thus issue a Reliability Must…

NPRR867 Returning unused CRR collateral

The Gist NPRR867 allows ERCOT to return any excess locked collateral (that is, collateral above the prescreened amount needed for submitted bids) to be returned to the counterparty two days after the bid window closes.  Previously this collateral was held until the auction results were published.  Important Actions 6/12/18 NPRR867 approved by ERCOT board. 9/10/21…

NPRR1081 Include Firm Load Shed in Reliability Deployment Price Adder Calculation

The Gist NPRR1081 was filed by ERCOT and the independent market monitor (IMM) as a response to the unexpectedly low prices (i.e. less than $9000/MWh) during the first day of Winter Storm Uri.  The thought being that if firm load is being shed the prices should be set to the value of lost load (VOLL). …

NPRR1113 Elimination of Double Counting FFR RegUp in AS Imbalance

The Gist ERCOT noticed that RegUp was being double counted in the regulation up component of Controllable Load Resources (CLRs).  This resulted in overpayment to some QSEs (around $13k total).  This NPRR fixes that double counting  Important Actions 1/13/22 CNPRR1113 introduced to PRS and quickly passed on the combo ballot Reference NPRR1113 (ERCOT) Meeting Notes…

NPRR1109 Reinstating retired resources without studies

The Gist NPRR1109 Declares that recently (within the last three years) can reenter the ERCOT grid without a full set of interconnection studies if ERCOT feels it is appropriate and there have been no material changes to the resource since retirement.  This was placed in the protocols on an urgent basis to allow a resource…