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Executive Summary In a surprise 2 AM meeting of the Board of Directors (“We’re mostly early risers in this group,” said Board Chair Bill Flores, “and the ones who aren’t are usually still up this time of night anyway, so it seemed to be best.” “and the traffic is way lighter this time of day”…
The Gist Batteries make the lion’s share of their revenue from Ancillary Services, but the portion of revenue from energy is growing noticeably. Using our revenue tracking software we estimated the energy and AS revenue of the ERCOT battery fleet from 7/7/21 to 10/7/23. The results are summarized in the graph below: The Accuracy In…
July 13th was the tightest day in 2022. And batteries are fast become a real game changer in ERCOT; so how did they operate when the rubber hit the road? Well, let’s see, shall we. Filled sections of the chart are the energy offered to the real time market color coded by price range. The…
Wind, Solar, and Batteries are growing in ERCOT, but how fast? The figure below shows the growth in ERCOT’s newest technologies from January 2019 to May 2023 and the capacity additions are staggering.
Check out a demonstration copy of our ERCOT sixty day report viewer. It’s indistinguishable from the full version, except it has a limited date range (3/22/23-4/22/23). It not only has the information from the sixty day reports, but it also has both sides of the battery (charging and discharging) visible at the same time, LMP,…
What would ERCOT renewable production look like if it were scaled such that the annual production were equal to the ERCOT load ?” Well, that’s an interesting question, and, frankly, not that hard to answer. Below are the interactive answers for 2019 (scale factor 4.74), 2020 (scale factor 3.98), and 2021 (scale factor 3.53). …
The Gist In Spring 2022 the PUC put out an RFP for an expert advisor to help them understand the implications of various Phase 2 proposals. Only two firms responded, Potomac Economics (the current holder of the IMM contract) and E3 (the author of the LSE Obligation proposal). Important Actions Reference Meeting Notes 3/31/22…
The Gist If a resource’s fuel costs go more than $1/MMBTU over the Fuel Index Price(FIP), a resource can submit “Exceptional Fuel Costs” that get included in the Mitigated Offer Cap calculation (rather than FIP). If this happens ERCOT has to post a market notice within five business days notifying market participants that this has…
Executive Summary The commissioners were very concerned about the timelines ERCOT presented in their January 10th comments for implementing phase 1 and 2 of the PUC roadmap for market reform, particularly for firm fuel service and backstop reliability service. ERCOT was instructed to look into hiring outside contractors to complete the projects by next winter…
Executive Summary At today’s SAWG ERCOT presented the Long Term Load Forecast (LTLF) and the Capacity, Demand, and Reserve (CDR) report. The biggest take away is that the CDR will undergo major changes soon; these will be run through the normal stakeholder process, but they will likely have the implicit approval of Commissioner McAdams. The…
