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July 19, 2024

ramping

SPP
SPP’s REAL Team Approves Base PRMs, Sufficiency Value Curve
SPP’s REAL Team approved base planning reserve margins and a sufficiency valuation curve, codifying months of work.
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MISO Pursuing More Dynamic Regulation Reserves
MISO said a riskier operating environment means it needs a more nuanced approach to its regulation reserve requirements.
CAISO
Report Details CAISO Response to Partial Solar Eclipse

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
Eclipse Barely Dims CAISO Operations
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.
NextEra Energy
Groups Seek Hybrid Exemption from MISO Ban on Renewables Supplying Ramping
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.
CAISO
CAISO Sheds Light on October Solar Eclipse Preparations
Sharp growth in California solar resources means the Oct. 14 annular eclipse should have even greater impact than 2017's total eclipses.

CAISO
Ramping Shortfall Sparks CAISO’s 1st Summer Emergency
CAISO issued its first energy emergency alert of the summer after falling short on ramping capacity as solar output rolled off its system.  
Madison Gas and Electric
MISO Defends Renewable Ramping Stance to FERC
In a June 5 response to FERC, MISO defended its plan to bar renewable energy from supplying ramping reserves.
NextEra Energy
FERC Questions MISO Plan to Drop Renewables’ Ramp Eligibility
FERC last week told MISO it must provide more details around its plan to exclude wind and solar generation from supplying ramping service.
WECC
New Tech Needed for 100% Clean Energy, WECC Says
A WECC study found that the West needs emerging technologies capable of replicating the performance of gas plants to reach 100% clean energy by 2040.

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