Featured in How low can they go? – 07-2018

California’s solar and wind integration challenge

As a leader in the global energy transition, California is putting some of the highest levels of solar and wind on its grid in the world to date. And while the state’s grid operator has made some progress, the integration of these resources is currently limited not by physics, but by market rules and operational practices.

By

Christian Roselund

25 Jul 2018

May 26 was a big day for renewable energy in California. Utility-scale solar output on the California Independent System Operator (CAISO) grid peaked at just under 10 GW, and this was buoyed by nearly 4 GW of wind. This led to large-scale wind and solar peaking at 64.6% of demand shortly after 2 PM, a …

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