RTO Insider Daily Headlines: September 10, 2026

RTO Insider Daily Headlines for September 10, 2026. In this episode: • ENGIE Withdraws Application for 250-MW Calif. Battery Project (RTO Insider) ENGIE North America has cancelled its application to build a large battery storage project near Laguna Beach, Calif., after some local officials and residents came out in opposition due to safety and aesthetic concerns. https://www.rtoinsider.com/142859-engie-withdraws-application-250mw-battery-storage-project-calif/ • Court Strikes Down TVA Decision to Build $2B Gas Plant (RTO Insider) A federal court has voided the Tennessee Valley Authority’s decision to construct a gas plant in eastern Tennessee, citing a deficient environmental review. https://www.rtoinsider.com/142974-court-strikes-down-tva-decision-build-gas-plant/ • Maine Requests Termination of RTO Participation Adder for TOs (RTO Insider) A group of state agencies from Maine have asked FERC to terminate the return on equity adder received by the Maine transmission owners for participation in ISO-NE. https://www.rtoinsider.com/142863-maine-requests-termination-rto-participation-adder-tos/ • Mass. Data Center Proposals Must Secure Clean Energy or Pay into Fund (RTO Insider) The Sept. 8 order builds on a framework she announced June 25 to specifically address some of environmental, economic and other negative effects that can result from data center development. https://www.rtoinsider.com/142955-massachusetts-governor-tight-guidelines-data-center-development/ • From Demand Response to Orchestration: Data Centers are Becoming Flexible Grid Assets (RTO Insider commentary) Data centers can flex — and it's no longer hypothetical. Inside the "orchestration" era of grid flexibility from columnist K Kaufmann. https://www.rtoinsider.com/142814-from-demand-response-to-orchestration-data-centers/ • EIA: ERCOT Leads in Demand Growth, PJM in Supply Growth Through 2027 (RTO Insider) EIA's latest Short-Term Energy Outlook forecasts record electricity demand driven by data centers and increased manufacturing activity in the commercial and industrial sectors. https://www.rtoinsider.com/142972-eia-generation-growth-fuel-prices-demand/ • AESO/AUC Briefs for Sept. 9, 2026 (RTO Insider) AESO forecasts higher electricity demand from data centers and other large loads in its 2026 Long-Term Outlook Plan, but several stakeholders say the preliminary scenarios may not adequately capture the scale, location and structure of prospective data-center development. https://www.rtoinsider.com/142959-aeso-auc-briefs-090926/ • NERC Trustee Praises RSTC’s Large Loads Work (ERO Insider) NERC's Reliability and Security Technical Committee approved multiple nonbinding guidelines and technical documents at its Sept. 9 meeting. https://www.rtoinsider.com/142954-nerc-trustee-praises-rstc-large-load-work/ Chapters: 00:07 Introduction 00:14 ENGIE Withdraws Application for 250-MW Calif. Battery Project 00:31 Court Strikes Down TVA Decision to Build $2B Gas Plant 00:45 Maine Requests Termination of RTO Participation Adder for TOs 00:59 Mass. Data Center Proposals Must Secure Clean Energy or Pay into Fund 01:15 Commentary: From Demand Response to Orchestration: Data Centers are Becoming Flexible Grid Assets 01:30 EIA: ERCOT Leads in Demand Growth, PJM in Supply Growth Through 2027 01:47 AESO/AUC Briefs for Sept. 9, 2026 02:07 NERC Trustee Praises RSTC’s Large Loads Work 02:20 Subscribe Read these stories and more at W-W-W dot R-T-O Insider dot com. Music provided by BreakzStudios.