Grid Status’ Post

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California and Texas are reaching new heights in utility-scale solar generation this year. While both grids are approaching 20 GW peaks in solar production, the backdrop of each grid is markedly different. CAISO’s solar build-out represents a larger proportion of the region’s much smaller peak demand and is nearly matched by behind-the-meter (BTM) solar capacity. Additionally, CAISO’s solar fleet benefits from a well-coordinated relationship with a larger, longer-duration battery fleet, facilitated by market rules. In contrast, ERCOT manages a higher load, a generating fleet with substantially more thermal assets, and surprisingly little BTM given the high homeownership and strong solar potential across the state. Batteries in ERCOT by comparison are more freewheeling in how they bid and operate while averaging substantially shorter durations. We put a little school spirit into the color scheme for this. Hopefully, the rivalry stays exciting through the rest of 2024! To track these records and more, check out our site.

Doug Sheridan

Energy, Economics & Policy | Research • Analysis • Commentary • Opinion

2mo

Cool. Now plot power prices... power rationing... and blackouts.

Andrew Gelston

Energy Professional, Markets and Fundamentals

2mo

22 GW by end of year in ERCOT! And they are not exporting really any of it into another ISO/BA unlike CAISO. Much bigger market size, but still incredible to go from sub 2.5 GW to 20 GW in 4 years. Lots of gas burn goes away in ERCOT..... (average gas demand, not peak gas deamnd)

Andrew Cole

VPPs, Demand Response/DERs, Power Markets

2mo

Connor Waldoch / Grid Status does the CAISO solar generation shown here include BTM solar generation or is this purely FTM?

Patrick Rooney

Electricity, gas, and environmentals trading | Nodal Exchange

2mo

☀ Sunshine for the win. Imagine that. 😎

Mishtu S. Banerjee

Data Science Manager at Enverus

2mo

Nice animation — particularly keeping the data points in.

Mark Lewis

VP Engineering, Owners Liaison, MBA, board of directors, ret.

2mo

Added solar created added risk.

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Roger N.

Optimization Architect @ CAMS | Empowering Data-Driven Decision-Making

2mo
Romi Bloom, M.D.

Harvard Trained Board Certified Dermatologist Working in Chicago's North Shore Suburbs

2mo

Very interesting!

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