ramping
MISO expects its in-service solar capacity to grow to 12 GW by the end of winter, a 50% increase over its existing fleet.
SPP’s REAL Team approved base planning reserve margins and a sufficiency valuation curve, codifying months of work.
MISO said a riskier operating environment means it needs a more nuanced approach to its regulation reserve requirements.
The partial solar eclipse of Oct. 14, 2023, knocked 4,500 MW of solar generation off the CAISO grid — about 1,000 MW more than the reduction seen during the August 2017 total eclipse.
CAISO maintained normal grid operations during the Oct. 14 solar eclipse, with swings in solar production that were more muted than models based on clear-sky conditions.
Clean energy groups in MISO have told FERC it should rethink its support of a ban on renewable energy in MISO’s ancillary service market because the commission didn’t consider hybrid resources.
Sharp growth in California solar resources means the Oct. 14 annular eclipse should have even greater impact than 2017's total eclipses.
CAISO issued its first energy emergency alert of the summer after falling short on ramping capacity as solar output rolled off its system.
In a June 5 response to FERC, MISO defended its plan to bar renewable energy from supplying ramping reserves.
FERC last week told MISO it must provide more details around its plan to exclude wind and solar generation from supplying ramping service.
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