FERC accepts Thunderhead Power’s membership 

PSNH submits for filing a Viability Assessment Agreement with Granite Shore Power.  The Agreement proposes the terms and conditions under which PSNH will perform an interconnection viability study to study possible adverse impacts to PSNH’s system and the supporting infrastructure needed to mitigate such possible impacts for Customer’s potential interconnection to PSNH’s transmission system

NH OCA submits comments supporting NESCOE’s Eversource Formal Challenge

Vistra and Cogentrix answer PJM IMM and ISO-NE IMM comments

Eversource response to NESCOE Formal Challenge

ISO-NE files 2025 FERC Form 582 (Annual Charges Report) 

NETOs, VTransco request rehearing of Opinion 594

NESCOE and NECPUC each oppose Indicated TOs’ Motion to Stay the Opinion 594 refund obligations

ISIO-NE submits notice of Apr 15 suspension of Marble River from New England Markets 

ISO-NE responds to A. Gaal Complaint, urging it be dismissed or denied.

Applicants respond to ISO-NE IMM’s objection to providing, even subject to a Protective Agreement, a copy of the confidential, non-public information that it filed with the FERC in this proceeding.

ISO-NE and Versant file 3 replacement LGIAs (one each of Evergreen III, Stetson Holdings, and Stetson II) as a result of each facility reestablishing Capacity Resource Network Interconnection Service (CNRIS) and 2) a change in ownership for the units. 

Finding “American Efficient, LLC and its affiliates … stole half a billion dollars from hard-working Americans by collecting compensation for fake “energy efficiency resources” and its “money-for-nothing scheme blatantly violated” tariffs and “manipulated multiple electric markets over the course of many years,” the FERC’s Penalties Order requires American Efficient to disgorge approximately $410 million in unjust profits and imposes a civil penalty of $722 million.

ISO-NE files its 70th quarterly report

PJM IMM withdraws its request for confidential information from ISO-NE

Avangrid (CMP, UI) and Eversource (CL&P, NSTAR, PSNH) petition the DC Circuit Ct, of Appeals for a writ, under the All Writs Act, staying Opinion 594 with respect to the Oct 16, 2014-Mar 19, 2026 refund period, arguing that, absent a stay, Opinion 594 will cause them and their customers immediate, irreversible financial and operational harm that cannot be undone even if Opinion 594 is later vacated

FERC extends the Opinion 594 deadlines to complete refunds to and including May 20, 2027, and to submit the refund report to and including Jun 4, 2027.

Stay Opponents* oppose Indicated TOs** Apr 2 Request for Stay of Opinion 594 Refund Obligation.

*Stay Opponents: CT PURA, CT AG, CT OCC, MA AGO, MA DPU, MOPA, NH OCA, RI Div, MMWEC, AIM, TEC, Power Options, IECG, and NHEC 

** Indicated TOs: CMP, UI (Avangrid) and CL&P, NSTAR, PSNH (Eversource)

Extension Respondents* recommend any extension to the Opinion 594 Refund Obligation be limited to no more than 9 months

*Extension Respondents are:  the the MA AGO, MA DPU, CT PURA, CT OCC, MOPA, NH OCA, RI Div, MMWEC, AIM, TEC, Power Options, IECG, NHEC

ISO-NE IMM objects to Vistra/Cogentrix request for disclosure, subject to a standard FERC protective agreement, of the confidential, non-public version of the IMM’s Market Power Assessment Report filed in this proceeding