RTO Insider Daily Headlines: September 11, 2026

RTO Insider Daily Headlines for September 11, 2026. In this episode: • Solar Power Continues to Proliferate in Second Quarter (RTO Insider) Utility-scale solar generation continued to come online at an accelerated rate and distributed solar at a diminished pace in the second quarter of 2026, thanks in both cases to changes in tax policy. https://www.rtoinsider.com/143076-solar-power-continues-to-proliferate-second-quarter/ • Mass. Utilities, Hydro-Quebec Exchange Suits over NECEC Winter Curtailments (RTO Insider) Massachusetts utilities and Hydro-Quebec have exchanged lawsuits in a dispute over the curtailment of deliveries over the New England Clean Energy Connect transmission line during a stretch of extreme winter weather. https://www.rtoinsider.com/143072-mass-utilities-hydro-quebec-exchange-suits-over-necec-curtailments/ • FERC Approves New NERC Physical Security Standard (RTO Insider) FERC approved a new NERC physical security standard developed in response to multiple attacks on electric grid facilities. https://www.rtoinsider.com/143079-ferc-approves-nerc-physical-security-standard/ • CPUC to Vote on Rulemaking for CAISO Market Governance Transition (RTO Insider) The California Public Utilities Commission is poised to begin work on implementing the 2025 state law that authorizes CAISO and the state’s utilities to participate in an independent body to oversee the ISO’s wholesale electricity markets. https://www.rtoinsider.com/143102-cpuc-initiate-rulemaking-caiso-market-governance-transition/ • GridLiance West Moves Forward on 2 Nevada Tx Projects (RTO Insider) GridLiance West has started construction on its 155-mile Core Upgrades project in southern Nevada — at the same time the company is planning a 413-mile, 500-kV line from Utah to Nevada called High West. https://www.rtoinsider.com/142970-gridliance-west-breaks-ground-on-nevada-transmission-upgrades/ • Ind., La. Data Center Needs Drive Gas, Batteries in 5th MISO Fast-track Queue (RTO Insider) Mirroring their data center tech booms, Indiana and Louisiana are earmarked for nearly all new gas and storage capacity in MISO’s fifth fast-tracked generator interconnection process. https://www.rtoinsider.com/143083-data-center-needs-drive-gas-batteries-miso-fast-track-queue/ • ROWE Ready to Bring BPA into EDAM, Staks Says (RTO Insider) ROWE is ready to meet BPA's conditions to secure the agency’s participation in CAISO’s EDAM, according to Kathleen Staks, the organization’s interim president. https://www.rtoinsider.com/143019-rowe-ready-to-bring-bpa-to-edam-staks/ • FERC-NERC Winter 2026 Report Finds Impediments to Using Large Loads (RTO Insider) FERC and NERC released their joint report on the 2026 extreme winter weather, which found improvements from earlier cold weather events, but highlighted some rule changes were needed to use backup generation at large loads. https://www.rtoinsider.com/143074-ferc-nerc-winter-2026-report-finds-impediments-using-large-loads/ • FERC Accepts Tri-State’s Market-based Tariff Changes (RTO Insider) FERC has conditionally accepted Tri-State Generation and Transmission Association’s market-based rate tariff revisions that reflect its participation in SPP’s RTO Expansion in the Western Interconnection. https://www.rtoinsider.com/143097-ferc-accepts-tri-state-market-based-tariff-changes/ • FERC Finds ISO-NE Refund Rules Lacking, Supports Proposed Changes (RTO Insider) ISO-NE must correct its tariff to enable it to remedy incorrect payments or charges to market participants, FERC ruled on Sept. 10. https://www.rtoinsider.com/143081-ferc-finds-iso-ne-refund-rules-lacking-supports-proposed-changes/ • ACE NY Cluster Study Appeal Fails at Special NYISO MC Meeting (RTO Insider) A dispute over cost allocations in National Grid territory nearly upended NYISO's first cluster study. https://www.rtoinsider.com/143108-ace-ny-cluster-study-appeal-fails-nyiso-mc/ Chapters: 00:07 Introduction 00:14 Solar Power Continues to Proliferate in Second Quarter 00:30 Mass. Utilities, Hydro-Quebec Exchange Suits over NECEC Winter Curtailments 00:47 FERC Approves New NERC Physical Security Standard 00:57 CPUC to Vote on Rulemaking for CAISO Market Governance Transition 01:17 GridLiance West Moves Forward on 2 Nevada Tx Projects 01:34 Ind., La. Data Center Needs Drive Gas, Batteries in 5th MISO Fast-track Queue 01:52 ROWE Ready to Bring BPA into EDAM, Staks Says 02:06 FERC-NERC Winter 2026 Report Finds Impediments to Using Large Loads 02:24 FERC Accepts Tri-State’s Market-based Tariff Changes 02:39 FERC Finds ISO-NE Refund Rules Lacking, Supports Proposed Changes 02:53 ACE NY Cluster Study Appeal Fails at Special NYISO MC Meeting 03:04 Subscribe Read these stories and more at W-W-W dot R-T-O Insider dot com. Music provided by BreakzStudios.