EPA revoked its 2024 updates to the MATS rules, which included regulation of non-mercury emissions and monitoring equipment requirements for all covered power plants.
FERC rescinded the West-wide wholesale electricity price cap mechanism it implemented in response to widespread price manipulation during the Western energy crisis of 2000-2001, saying development of new markets and expanded authority has led to improved monitoring capabilities.
Thirteen blue states are suing the Trump administration for reversing Biden administration funding commitments worth $7.6 billion for energy and infrastructure projects.
FERC accepted five new reliability standards setting requirements for model validation and data sharing for inverter-based resources.
PJM, with prompting from 13 governors, is trying another solution to resource adequacy: the “Reliability Backstop Auction.” While details still are being negotiated, this boils down to throwing money at new power plants, says Tom Rutigliano of the NRDC.
RTO Insider
FERC upheld its approval of Constellation Energy’s purchase of Calpine while also addressing arguments from consumer and environmental groups.
ERCOT says the critical path for a successful Batch Zero NPRR relies on a series of approval votes in May before the changes go to the board in June.
Edison International earnings rose nearly 32% in 2025 despite the uncertainty swirling around its Southern California Edison subsidiary, which has been implicated in sparking the January 2025 Eaton Fire
ERO Insider
Standards Committee members asked for details on the committee's future after NERC's Board of Trustees approved sweeping changes to the standards development process.
The cybersecurity firm Dragos identified three new attack groups in its Year in Review report, while also sharing more concerns about a December cyberattack against Poland's electric grid.
NERC staff acknowledged recent criticisms of the 2025 Long-Term Reliability Assessment while describing the challenges of performing the analysis in recent years.
NetZero Insider
Colorado regulators approved 3.2 GW of new resources requested by Public Service Company of Colorado under an expedited approval process designed to take advantage of soon-expiring federal tax credits.
The annual status report from the Business Council for Sustainable Energy finds sustainable energy met rising U.S. power demands in 2025 despite the far-reaching policy shifts roiling the sector.
Massachusetts could decarbonize its peaking power portfolio by 2050 through aggressive deployment of wind, batteries and demand flexibility, according to a new analysis by a group of environmental nonprofits.





















