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December 20, 2025

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© RTO Insider 
SPP Embraces Need for Speed to Meet Change Head-on

SPP has dumped its “evolutionary, not revolutionary” value principle and is working to make things happen quickly in order to meet the pace of industry change.

Potomac Economics
ERCOT ESRs, Solar Production Lessen AS Costs

Energy storage resources and solar capacity helped reduce ancillary services costs and tight system conditions in the ERCOT market during 2024, according to a recent market report.

BPA
Trump Directs Feds to Withdraw from Deal on Snake River Dams

President Trump issued a memo directing the federal government to withdraw from a deal with four tribes and two states that considered the future operation of four dams on the Lower Snake River and eventually could have led to their breach.

CAISO
CAISO Proposes Alternative Approach for Calculating RA Resources During Peak Times

CAISO is proposing a new method for verifying how much energy thermal resources can provide during peak conditions on California’s grid for resource adequacy purposes.

Darden Clean Energy Project
CEC Approves Massive Solar-plus-storage Project

California regulators approved Intersect Power’s Darden Clean Energy Project, which is expected to be the largest battery energy storage system in the world when completed.

© RTO Insider 
MISO Says Public Communication Needs Work After NOLA Load Shed

MISO conceded to its Board of Directors that it should have done more to convey the danger it perceived ahead of the late spring load-shedding event in Greater New Orleans.

Shutterstock
ERCOT TAC Approves Tabled Curtailable Load NPRR

ERCOT stakeholders approved a protocol change that would register loads that can be curtailed under certain system conditions.

Minnkota Power Cooperative
EPA Proposes Repealing Limits on Power Plant Greenhouse Gas Emissions

EPA proposed repealing rules passed by previous administrations that impose carbon limits on existing and new power plants and the 2024 updates to the Mercury and Air Toxics Standard.

Talen Energy
Talen, Amazon Enter PPA for 1.9 GW of Power from Susquehanna
Talen and Amazon Web have entered into a PPA for the Susquehanna nuclear generator to supply 1.9 GW to the tech company.
© RTO Insider 
MISO IMM Blasts NERC Long-term Assessment, Says RTO in Good RA Spot
MISO Monitor David Patton called NERC’s Long-Term Reliability Assessment inaccurate for labeling the RTO a high-risk area.

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