RTO Insider Daily Headlines: September 25, 2026

RTO Insider Daily Headlines for September 25, 2026. In this episode: • Energy Storage Marks Another Strong Quarter (RTO Insider) A new report shows battery storage installation soaring in the United States and the average duration of installed batteries growing longer. https://www.rtoinsider.com/146261-second-quarter-us-energy-storage-report/ • Second Judge Blocks N.Y. Climate Change Superfund Act (NetZero Insider) New York’s attempt to charge fossil fuel companies $75 billion in compensation for climate damage has been shot down by a second federal judge. https://www.rtoinsider.com/146727-ny-climate-change-superfund-act-struck-down-again/ • NYISO Breaks Down Summer System Conditions (RTO Insider) New York had 10 days with a system peak load of over 27,000 MW this summer, NYISO reported to stakeholders at the end of August. https://www.rtoinsider.com/142327-nyiso-breaks-down-2026-summer-season-performance/ • Fixing PJM’s Real Problem: Interconnection Delays (RTO Insider commentary) PJM's interconnection queue for reviewing and approving requests wasn’t flexible enough to handle the increased volume in recent years and has seized up, writes Tom Rutigliano of the NRDC. https://www.rtoinsider.com/146711-fixing-pjms-real-problem/ • Trump Administration Prioritizing Large-Scale Energy Storage (RTO Insider) The Trump administration has spent the past year course correcting its policies on energy storage, making it a top priority in its efforts to lower energy costs as the buildout of data centers and the artificial intelligence industry strains the nation’s aging power grid, according to a senior Department of Energy official. https://www.rtoinsider.com/146721-trump-administration-prioritizing-large-scale-energy-storage/ • Ariz. Utilities’ Day-ahead Market Choices Face Fresh Scrutiny (RTO Insider) An Arizona regulator has asked utilities in the state for updated analysis on their choice of day-ahead market — including the impact of Bonneville Power Administration potentially switching from SPP’s Markets+ to CAISO’s Extended Day-Ahead Market. https://www.rtoinsider.com/146709-ariz-utilities-day-ahead-market-choices-face-fresh-scrutiny/ • Experts Debate Restructuring vs. Vertical Integration at AEI (RTO Insider) The return of major load growth has brought back basic debates about how to economically regulate the power industry, and the American Enterprise Institute gathered a group of experts to discuss the topic. https://www.rtoinsider.com/146725-experts-debate-restructuring-versus-vertical-integration-at-aei/ • CISA, FBI Warn of Attacks on ICS Integrators (ERO Insider) Federal agencies said malicious cyber actors may be targeting third-party industrial control system integration services. https://www.rtoinsider.com/146714-cisa-issues-ics-integrator-guidance/ • DOE Awards $1.9B for 31 Grid Modernization Projects (RTO Insider) Recipients are expected to reconductor or replace more than 1,500 miles of transmission lines and add grid-enhancing technologies to nearly 21,000 miles. https://www.rtoinsider.com/146729-doe-announces-speed-power-transmission-grants/ • MISO Asks FERC for Queue Restudy Cutback, 1-shot Exit Ramp for 2022 Projects (RTO Insider) MISO has filed a plan with FERC to reduce restudies in its interconnection queue and hand out a one-time pardon for generation proposals that entered its queue in 2022, allowing them to exit without consequence in late 2026. https://www.rtoinsider.com/146694-miso-asks-ferc-queue-restudy-cutback-one-shot-exit-ramp/ • IESO Finalizes Long Lead-Time Procurement Changes as Registration Opens (RTO Insider) IESO has finalized changes to its Long Lead-Time request for proposals, including a mechanism to replace unsigned or disqualified awards, new contract language allowing it to share project progress reports with the Ontario government and revisions to storage requirements. https://www.rtoinsider.com/146715-ieso-finalizes-long-lead-time-procurement-changes/ Chapters: 00:07 Introduction 00:14 Energy Storage Marks Another Strong Quarter 00:25 Second Judge Blocks N.Y. Climate Change Superfund Act 00:38 NYISO Breaks Down Summer System Conditions 00:50 Commentary: Fixing PJM’s Real Problem: Interconnection Delays 01:08 Trump Administration Prioritizing Large-Scale Energy Storage 01:29 Ariz. Utilities’ Day-ahead Market Choices Face Fresh Scrutiny 01:48 Experts Debate Restructuring vs. Vertical Integration at AEI 02:04 CISA, FBI Warn of Attacks on ICS Integrators 02:16 DOE Awards $1.9B for 31 Grid Modernization Projects 02:31 MISO Asks FERC for Queue Restudy Cutback, 1-shot Exit Ramp for 2022 Projects 02:52 IESO Finalizes Long Lead-Time Procurement Changes as Registration Opens 03:13 Subscribe Read these stories and more at W-W-W dot R-T-O Insider dot com. Music provided by BreakzStudios.