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December 24, 2025

RTO Insider

Brattle Group
Budget Cuts Threaten Calif. VPP Program
Clean energy advocates are urging California lawmakers to restore funding to a fast-growing distributed energy program that has shown its ability to support the grid during a test run. 
Holtec International
Developer Looks to Build 4 SMRs in New Jersey
The company that plans to restart the Palisades nuclear facility in Michigan is pushing to build four 300-MW small modular reactors on the site of the decommissioned Oyster Creek Generating Station in New Jersey.
Ben Schumin, CC BY-SA-2.0, via Wikimedia
NYISO Unveils Changes to Demand Curve
NYISO has proposed to stop using “winter to summer” and “summer to winter” ratios to determine maximum clearing and reference point prices in its seasonal demand curves.  
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Calif. Officials Probe Utilities on Wildfire Safety Measures
California officials asked SCE to show humility in its approach to the January wildfires in Los Angeles and probed PG&E about its safety culture after the utility’s 2019 bankruptcy during an interagency briefing hosted by the California Public Utilities Commission .
T1 Energy
Former Journalist Helping to Build Domestic Solar Supply Chain
Russell Gold, a two-time Pulitzer Prize finalist and author of two books, has joined T1 Energy in its quest to build an integrated domestic supply chain for the solar and battery sector.
Rhode Island Energy
New England TOs Add 39 New Projects to Asset Condition Forecast
New England transmission owners have added 39 new projects in the annual update to the region’s asset condition forecast, the companies told the ISO-NE Planning Advisory Committee.
EIA
U.S. Could Gain 33 GW of Solar, 18 GW of Storage in 2025
The United States is on track for a record increase in power generation capacity in 2025, the U.S. Energy Information Administration reports.
Grid North Partners
States’ Interregional Transmission Efforts Examined
The American Council on Renewable Energy hosted “Powering Progress: States Leading on Transmission Collaboration” to examine the outcome of past multistate efforts and the drive for further collaboration. 
NorthWestern Energy
Black Hills-NorthWestern Merger Could Reshape Western Market Map

The proposed merger between Black Hills Corp. and NorthWestern Energy likely will reshape the map in the competition between CAISO’s Extended Day-Ahead Market and SPP’s Markets+ — but it’s still too early to know where new boundaries will be drawn.

ISO-NE
ISO-NE Proceeding with Shortfall Threshold After Positive Feedback
After receiving positive feedback from stakeholders, ISO-NE plans to proceed with its proposal for a quantitative threshold to determine an acceptable level of energy shortfall risk for the region.

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