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The Gist NPRR1101 was filed by ERCOT as a response to complaints made by generators to NPRR1093 (allow loads to provide NonSpin). It directs ERCOT to create ~500MW buckets of NonSpin, randomly composed of load resources and off-line generation resources. Market consensus was that this fixed the perceived unfairness of deploying generators carrying NonSpin before…
Executive Summary Well, this was one of the more eventful PRS meetings I can remember. FFR advancement was indefinitely delayed (but very likely sometime next year), we got a tour of a website, some more information about securitization, the PUC’s requested voltage reduction NPRR was passed (not without a general sense that it wasn’t a…
Executive Summary Today’s WMS meeting was dominated by two big debates; what should Firm Fuel Supply Service (FFSS) look like (lots of open questions listed below), and how much NonSpin and ECRS should batteries be able to carry (ERCOT is standing firm on 4 hours for NonSpin, 2 hours for ECRS). Other than that there…
The Gist The Day-Ahead Market (DAM) is a complex (non-convex) beast that on a few occasions breaks down and takes longer than expected to run. This topic page serves as a log of those events and links to meetings in which they were discussed. Important Actions 2/1/22 ERCOT has DAM delay for Operating Day 2/2/22…
The Gist NPRR930 clarifies the process that ERCOT can use to delay or cancel outages. It first has to post an Advance Action Notice (AAN) a minimum of 24 hours before adjusting a resource’s outage schedule. Further, resources can change their outage types to Forced to prevent ERCOT from adjusting their outage schedule. Finally if…
Executive Summary WMWG hit four main topics today; NPRR1084 (Require outage reports within a half hour if over 2%), NPRR1092 (Lower RUC Offer floor), Advanced Action Notices, and What To Do About CryptoCurrency Load? For NPRR1084, look for a market participant to write comments on a compromise solution soon. If you should want to be…
Executive Summary A long TAC that got very interesting at the end. There was a quick heads up on the upcoming cold weather event (ERCOT will most likely be okay, but will possibly procure more NonSpin and also requests that resources enter outages as soon as possible, particularly gas supply related outages and derates.) There…
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…
Executive Summary As the board fleshes out with new members, the board meetings are going back to their normal (kind of boring, if you’ve been following the issues) selves. The new board members (Bill Flores, Zin Smati, Bob Flexon, and Jim Swainson) introduced themselves. Other than that, a lot of the meeting was ERCOT and…
Executive Summary The first real meeting of the new independent Board of Directors. At the beginning of each segment, the presenter did a good job of explaining what they are presenting in a tutorial manner. The ERCOT CEO started with a warning that Monday’s conditions could be tight. Chairman Lake, Commissioner McAdams and Commissioner Cobos…
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