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December 22, 2025

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NYISO
NYISO to Include Empire Wind in Q2 STAR Base Case
NYISO is modeling the Empire Wind offshore wind project as in-service despite federal orders to cease construction, staff said in presenting updated assumptions for the second-quarter Short Term Assessment of Reliability.
CEC
CEC Approves 3 IRPs, Decreases Battery Storage Project Size

The California Energy Commission approved three integrated resource plans for publicly owned utilities as the state prepares the grid to meet peak loads this summer.

Calpine
DOJ Seeks PJM Market Data for Review of Constellation-Calpine Merger
As part of its review for the Constellation-Calpine merger, DOJ asked PJM for a major trove of market data as it looks into the region where the two firms' operations overlap the most.
MISO
MISO Prepping for Likely 123-GW Summer 2025 Peak
MISO cautioned it’s likely in for heat waves and drought this summer with a slight chance it navigates a 130-GW peak in July.
Shutterstock
BPA’s Tx Planning Pause Prompts Talk of New RTO, Stricter TSR Requirements
Following BPA’s pause on certain transmission planning processes, the agency’s customers say it might be time to consider creating a regional transmission organization or imposing stricter requirements to tackle the “exponential growth” of transmission service requests.
Duke Energy
Duke Earnings Report Highlights Huge Investments to Meet Load Growth
Duke Energy described plans to invest up to $200 billion in the next decade to meet demand growth across its multiple utilities during an earnings call for the first quarter of 2025.
© RTO Insider
MISO’s AC Rekindles Talk on Gas-Electric Coordination Frustrations
After a hiatus on gas-electric coordination discussions, MISO’s Advisory Committee touched on lingering frustrations in 2025 and potential solutions.
Constellation Energy
As it Pursues Deals, Constellation Says Data Center Load Growth Overstated
Constellation Energy said it is closing in on new power purchase agreements and is in a good position to help meet projected data center load demand — whether in front of the meter or behind.
CPUC
California Will Rely Heavily on Batteries to Meet Summer 2025 Peaks
California's grid is expected to meet peak demand this summer, with officials pointing to the massive growth in solar and storage resources as key.
SMS Group
Stakeholders Ask FERC to Soften MISO’s Proposed DR Accreditation
Stakeholders asked FERC to force MISO to cut or dilute some of the harsher requirements of its proposed demand response participation and accreditation package.

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