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December 19, 2025

Markets

Highview Power
IESO Drops Termination Option for Long Lead-time RFP

Responding to opposition from suppliers, IESO said it will not include a termination option in its procurement for long lead-time resources.

Talen Energy
FERC Directs PJM to Issue Rules for Co-locating Generation and Load
FERC told PJM to change its rules to allow for co-located load at generators, with new transmission services and other tweaks.
PJM
PJM Capacity Auction Clears at Max Price, Falls Short of Reliability Requirement
PJM’s 2027/28 Base Residual Auction procured 134,479 MW in unforced capacity at the $333.44/MW-day maximum price, falling 6,623 MW short of the reliability requirement and setting a clearing price record.
CAISO
WEM Board OKs Gas Management Changes to Provide ‘Equitable Access’ to Markets
The Western Energy Markets Governing Body approved a set of revisions to CAISO's gas-fired energy generation resource management program after two years of work with stakeholders.
SPP
FERC OKs SPP Extension of Dispatchable Interchange Transactions into Real-time

FERC approved an SPP tariff change that adds real-time dispatchable interchange transactions to its Integrated Marketplace, extending the current day-ahead market dispatchable transaction model into the real-time balancing market.

xAI
NAACP Event Examines Data Center Impact on Environmental Justice
Data center developers’ imperative of speed to market not only stresses the power grid but also is felt on the ground as the giant facilities — often paired with onsite generation — spring up in neighborhoods overburdened by pollution.
NYISO
NYISO Meeting Briefs: Dec. 10-11, 2025
NYISO's Business Issues Committee and Operating Committee both endorsed tariff changes ahead of the completion of the Champlain Hudson Power Express.
Rainbow Energy Center
Trade Group Submits 2nd Complaint Against MISO Capacity Auction Repricing
A trade group representing multiple MISO power producers has lodged a complaint against retroactive pricing revisions in MISO’s 2025/26 capacity auction, joining Pelican Power in calling the repricing unlawful.
Shutterstock
Energy Efficiency Dismissed from MISO Capacity Market
MISO ended its 10-year run allowing energy efficiency in its capacity market, as FERC allowed the change to take effect.
ERCOT
ERCOT Board Approves $9.4B 765-kV Project
ERCOT’s Board of Directors has approved staff’s proposed 765-kV Eastern Backbone project and its $9.4 billion capital cost price tag, making it the most expensive project in the grid operator’s history.

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