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The Gist SCR819/NPRR1111 will require Intermittent Renewable Resources (IIRs) to follow their base points if they are behind a Generic Transmission Constraint that is in danger of being violated. It is currently tabled at PRS. As ERCOT puts it, “With each SCED Base Point sent by ERCOT to the Qualified Scheduling Entity (QSE) representing an…
The Gist Under NPRR863 Responsive Reserve Service (RRS) was essentially split up into its component elements; 1) ERCOT Contingency Reserve Service (ECRS), the portion of RRS that has to come online within ten minutes and replace resources that have tripped offline; 2) RRS Fast Frequency Reserve (FFR) – Resources (mostly batteries) that can respond within…
The Gist ERCOT is creating a new Technology Working Group to stop a repeat of the FFR Advancement fiasco (where the implementation of the FFR Advancement project was delayed by 10 months because ERCOT market participants and their software vendors were unable to adjust to the proposed changes in the Market Participant/ERCOT interface in a…
The Gist The HCAP effectively sets the highest price in ERCOT (though it is possible for regional prices to go higher than HCAP due to congestion, the excess is usually minor). HCAP was initially set at $2250/MWh at nodal market implementation in December 2010 and rose in steps until it reached $9000/MWh on 6/1/15. During…
The Gist SCR811 Allows ERCOT to include an Intra-Hour PhotoVoltaic Power Forecast (IHPPF) in calculations of the Generation To Be Dispatched (GTBD) value. This should reduce the use of RegUp and RegDown when solar is ramping. ERCOT will analyze the five-minute out forecast performance and accuracy of projected solar generation ramp direction before the intra-hour…
Executive Summary Though the meeting was short (to make room in the schedule for the special PRS meeting later in the day), it was explosive, as WMS voted to keep the contentious outage approval NPRR(1108) tabled against the PUC’s express desires. In other business the RUC market notice from Monday (4/4/22) was explained, NPRR1100(Tesla microgridding)…
Executive Summary In a special Protocol Revision Subcommittee meeting called specifically to meet the Public Utility Commission’s request to pass a version of NPRR1108(ERCOT to approve or deny all generator outage requests) the stakeholders voted to … table NPRR1108 for another month. We will see ho that plays out downtown. NPRR1124(pay full startup and min…
Executive Summary Speakers from ERCOT updated the current status of projects related to NPRR1093 (Load Resource Participation in Non-Spinning Reserve), NPRR863 (addressing both Fast-Frequency Response Advancement and Contingency Reserve Service changes), and PR353-01 (Battery Energy Storage Combo Model). Strategies were discussed for keeping market participants in the loop on breaking technology changes. A proposal for…
Executive Summary The April SAWG had many interesting presentations; ERCOT (Calvin Opheim) gave a refresher on the Mid Term Load Forecasts, ERCOT (Dan Mantena) presented a new interactive dashboard that examines the completion rate of named CDR resources, ERCOT (Pete Warnken) talked about the planned changes for the SARA report (monthly frequency, probabilistic assessment, interactive…
Executive Summary This meeting was mostly focused on non-electric issues, but they did discuss a new project (yet to be fully scoped) that would standardize the distributed generation interconnection process. Notes Wholesale Market Design – Commissioner Glotfelty talked about his memo regarding the need to standardize distribution interconnection. (The memo referenced Hunt Energy/Jupiter/Broad Reach’s comments…
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