Library

Updates Since Oct 02, 2026

Last update: Oct 29, 2026 6:40 pm

Oct

Waiver Request: Brough Storage Project (Section 5.1.1.2 and Schedule 22 of the Tariff)

MA DOER submits comments supporting a narrowly tailored waiver that enables a viable storage project to continue progressing toward commercial operation, while preserving the orderly administration of the interconnection process.

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Oct

Membership

ER27-331

NEPOOL requests FERC accept the following as new members: First Commodities International Inc. and Green.ai Inc.; and the termination of the Participant status of Manchester Street, L.L.C.

Oct

NESCOE 2027 Budget Filing

ER27-164

NEPOOL submits comments supporting 2027 NESCOE Budget filing

Oct

Maine Agencies RTO ROE Adder Complaint

EL26-103

Maine Agencies answer CMP/MEPCO Oct 15 request to hold proceeding in abeyance

Oct

Membership

ER26-3646

FERC accepts: (i) NEPOOL membership of SESCO Enterprises LLC (Supplier Sector); and (ii) the termination of the Participant status of Uncia Energy, LP – Series G [Related Person to Trafigura Trading (Supplier Sector)].

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Oct

Waiver Request: Brough Storage Project (Section 5.1.1.2 and Schedule 22 of the Tariff)

ER27-142

ISO-NE protests Brough Storage’s Waiver Request

Oct

Order 881 Effective Date

ER22-2357-003; ER25-410-001

ISO-NE files a notice that the effective date of the Tariff’s Order 881 revisions (addressing Ambient Adjusted Ratings) will be moved up to Nov 17, 2026

Oct

CIP-IROL Cost Recovery: Cross-Sound Cable

ER26-3737

FERC accepts Cross Sound Cable’s rate schedule revisions that allow recovery of $791,687 in CIP-IROL Costs incurred between Jan 1, 2024 and Dec 31, 2025, eff. Nov 9, 2026

Oct

203 Application: Kendall Green

E27-8

Kendall Green requested that the FERC authorize a transaction pursuant to which Forge Buyer, LLC (“Buyer”) will indirectly acquire 100% of the membership interests in Franklin Holdco, which indirectly owns 100 percent of the membership interests of Kendall Green, making Kendall Green, through common upstream ownership, a Related Person to CPV Towantic and its Related Persons.

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Oct

Waiver Request: Brough Storage Project (Section 5.1.1.2 and Schedule 22 of the Tariff)

ER27-142

ISO-NE answers Brough Storage Project’s Oct 15 answer

Oct

2027 ISO-NE Administrative Costs and Capital Budgets

ER27-158

NEPOOL files comments supporting ISO-NE 2026 Budgets

Oct

Capital Projects Report - 2026 Q3

ER27-166

NEPOOL files comments supporting the Q3 Report

Oct

Asset Condition Review Role Revisions

ER26-3533; ER26-3534

FERC accepts revisions that establish ISO-NE as the New England region’s Asset Condition Reviewer (ACR) and the process for ISO-NE to execute the ACR role, eff. Jan 1, 2027

Oct

Transition Cluster Study Upgrade Cost Allocation Complaint

EL26-112

FERC denies the waiver requested by TCS Project Companies of the requirements set forth in sections 11.2, 11.3.1.1, and 5.1.1.2 in Schedule 22 of the Tariff.

Oct

Waiver Request: Brough Storage Project (Section 5.1.1.2 and Schedule 22 of the Tariff)

ER27-142

FERC issues order denying the request by CleanCapital Holdings and Brough Storage for a shortened comment period on its request for waiver of section 5.1.1.2 of Schedule 22 of the Tariff. Comments on the waiver request are due Oct 29, 2026

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Oct

GMP Att. F App. D Depreciation Rate Changes

ER27-181

Green Mountain Power (GMP) files changes to incorporate revised depreciation rates used to calculate GMP’s annual transmission revenue requirements

Oct

Waiver Request: Indicated TOs (Order 881 Implementation)

ER27-214

Indicated TOs* request an waiver of the ISO-NE Tariff’s Order 881-implementing (Ambient Adjusted Ratings) provisions through Dec 31, 2028, citing delays by unforeseen hardware and software implementation issues (for the same reasons, NYISO and MISO TOs have already received similar waivers of those regions’ Order 881-implementing provisions). The TOs added that, should any of them complete their remaining work ahead of Dec 31, 2028, they will implement the Order 881 OATT requirements at the earliest practicable opportunity, and provide notice to the FERC and ISO-NE at least 30 days prior to doing so.

* CMP, Eversource (CL&P, NSTAR, PSNH), MEPCO, National Grid, Rhode Island Energy, and UI

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Oct

NESCOE 2027 Budget Filing

ER27-164

ISO-NE files materials for funding NESCOE’s 2027 operations

Oct

2027 ISO-NE Administrative Costs and Capital Budgets

ER27-158

ISO-NE files its 2027 administrative costs and capital budgets

Oct

Capital Projects Report - 2026 Q3

ER27-166

ISO-NE files 2026 Q3 Report

Oct

203 Application: NextEra/Dominion

EC26-112

NextEra and Dominion answer comments and protests

Oct

Transition Cluster Study Upgrade Cost Allocation Complaint

EL26-112

ISO-NE answers TCS Project Companies’ Oct 14 reply and urges the FERC to dismiss the Complaint

Oct

203 Application: 203 Hull Street/FirstLight Power Management et. al.

EC26-110

FERC authorizes a transaction pursuant to which HSE FirstLight, LLC, an entity owned by affiliates of Hull Street Energy, will acquire 100% of the ownership interests in PSP FL USA LLC, which indirectly owns the FirstLight applicants

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Oct

Waiver Request: CleanCapital Holdings/Brough Storage (Section 5.1.1.2 and Schedule 22 of the Tariff)

ER27-142

CleanCapital/Brough Storage answer ISO-NE Oct 14 Emergency Motion

Oct

Transition Cluster Study Upgrade Cost Allocation Complaint

EL26-112

TCS Project Companies’ answer the protests by ISO-NE, NH DOE and Strata Solar Development

Oct

Opinion 594 FAP Changes

ER27-134

ISO-NE and NEPOOL file changes to the Financial Assurance Policy to provide financial assurance requirements specific to refunds directed by Opinion 594

Oct

Waiver Request: Brough Storage Project (Section 5.1.1.2 and Schedule 22 of the Tariff)

ER27-142

ISO-NE submits emergency motion requesting interested parties be provided a full 20-day comment period to respond to the CleanCapital/Brough Storage Waiver Request

Oct

Transition Cluster Study Upgrade Cost Allocation Complaint

EL26-112

Comments opposing the Complaint filed by: ISO-NE, Flat Iron Energy, CT DEEP, MPUC, MA DOER, NH DOE, Strata Solar Development; comments supporting the Complaint filed by RENEW

Oct

Membership

EL27-92

New Member: Environmental League of Massachusetts, Inc. (eff. Oct 12, 2026)

Oct

Rhode Island Energy Wholesale Distribution Tariff

ER26-3084

FERC accepts RI Energy’s WDT, eff. Sep 1, 2026

Oct

Waiver Request: CleanCapital Holdings/Brough Storage (Section 5.1.1.2 and Schedule 22 of the Tariff)

ER27-142

CleanCapital Holdings and Brough Storage request a limited waiver, to the extent necessary, of Tariff Section 5.1.1.2 and Schedule 22 to permit Brough to change its elected service from CNRIS
to NRIS.

Oct

Capital Projects Report - 2026 Q2

ER26-3471

FERC accepts Report, eff. Jul 1, 2026

Oct

Maine Agencies RTO ROE Adder Complaint

EL26-103

Maine State Agencies answer CMP/MEPCO Sep 21, 2026 motion to dismiss

Oct

Asset Condition Review Role Revisions

ER26-3533; ER26-3534

AEU answers ISO-NE’s Sep 25 answer

Oct

Transition Cluster Study Upgrade Cost Allocation Complaint

EL26-112

FERC partially grants Project Companies’ request for a shortened comment period, setting: (i) the deadline for filing comments pertaining to the waiver request to 5:00 pm EDT on Tuesday, Oct 13, 2026; and (ii) the deadline for filing ISO-NE’s answer or comments pertaining to the complaint to 5:00 pm EDT on Friday, Oct 30, 2026.

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Oct

Transition Cluster Study Upgrade Cost Allocation Complaint

EL26-112

TCS Project Companies Answer ISO-NE’s Emergency Motion by requesting a 10-day comment period for its waiver request and a 20-day answer period for the Complaint

2026 Reports

Oct 1, 2026

Updates Since Oct 02, 2026

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