California Sets Two Records Regarding Solar Power Production

LCG, March 8, 2018--The California Independent System Operator (CAISO) recorded an all-time peak percentage of demand served by solar energy facilities on Sunday, achieving a record 49.95 percent at 12:58 p.m. The prior peak record was 47.2 percent set on May 14, 2017.

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ERCOT Expects Record-breaking Peak Demand this Summer

LCG, March 2, 2018--The Electric Reliability Council of Texas (ERCOT) yesterday released its final Seasonal Assessment of Resource Adequacy (SARA) report for the upcoming spring season (March - May) and its preliminary assessment for the summer season (June - September). ERCOT, the grid operator for most of Texas, is predicting record-breaking peak usage this summer driven by the strong Texas economy. The combination of record-breaking peak usage and the recent retirement of older electric generating units is expected to result in tight operating reserves.

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Press Release

ERCOT Wind Expansion: Impact on Energy and Ancillary Service Markets

LCG, October 05, 2016--LCG Consulting has released its latest report Market Effects of Wind Penetration in ERCOT: How Wind Will Change the Future of Energy and Ancillary Service Prices. In this study, LCG investigates the system-wide impacts on the ERCOT market of three levels of wind capacity expansion in the year 2021, with particular emphasis on energy and ancillary service prices.

The nodal market simulations for this study were performed at the five-minute dispatch level using LCG’s UPLAN Network Power Model (NPM) and PLATO-ERCOT data model to capture the intermittent nature of renewable energy. UPLAN is a fully integrated model; that is the dispatch, transmission load flow, contingencies, curtailments, and ancillary services deployment are all resolved simultaneously.

The unprecedented growth of wind power in recent years has had a profound impact on the ERCOT market. With growth expected to continue, LCG’s report offers market participants a view of what can be expected as wind capacity continues to expand. Read Executive Summary of the report.

To request the full report please contact

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