December 2025

© RTO Insider
New England Energy Executives Debate Markets, Affordability
An increasing political anxiety around energy affordability permeated debates about wholesale market changes, federal policy and demand growth at the annual New England Energy Summit.
National Petroleum Council
DOE’s National Petroleum Council Releases Report on Gas-electric Coordination
The National Petroleum Council is the latest group urging reforms to address gas-electric coordination including pipeline expansion, and reforms to organized power markets and pipeline tariffs.
ACC
TEP Wins Approval for Data Center Energy Supply Agreement
Arizona regulators approved a 286-MW energy supply agreement between Tucson Electric Power and the developer of an embattled data center project near Tucson.
Ameren Missouri
MISO Declines Stakeholder Ask for Pause on 2025 Queue to Clear Backlog
MISO said it will not postpone the kickoff of a study on its 2025 cycle of interconnection requests, rebuffing stakeholders’ requests for a slowdown to clear some of the queue’s four-year backlog.
MISO
MISO Floats ‘Zero Injection’ Agreements to Bring Co-located Gen Online
MISO is considering a new type of interconnection agreement for generation built on site and strictly for new large loads.
American Clean Power Association
ACP Tallies 11.7 GW of Solar, Storage, Wind Additions in Q3
New solar, battery storage and onshore wind power generation totaled 11.7 GW in the third quarter of 2025, the American Clean Power Association reported.
CISA
CISA Publishes Guide for AI Critical Infrastructure Integration
In new guidance, the Cybersecurity and Infrastructure Security Agency sought to help utilities integrate artificial intelligence into their operational technology environments.
Shutterstock
U.S. Solicitor General Sides Against Duke Energy in Antitrust Case
The Supreme Court should reject an appeal from Duke Energy of an antitrust case it lost in lower courts, the Office of the Solicitor General said.
Tri-State Generation and Transmission Association
West Needs Unified IBR Approach, WIRAB Says
Western state utility commissioners should encourage “standardization and harmonization” to effectively integrate inverter-based resources throughout the region, according to a guide developed by WIRAB and Elevate Energy Consulting.
© RTO Insider 
NYISO Monitor Says More Data Needed to Verify Out-of-market Actions
The NYISO Market Monitoring Unit told the Installed Capacity Working Group that more data is necessary to verify the need for out-of-market actions on the part of transmission owners for reliability.

Want more? Advanced Search