Every cited factual claim resolves to a primary source — tap a mark to see the source ■ 27 briefs
RM21-17: Order 1920 compliance filings due Feb 12, 2027
FERC RM21-17 · BRIEF

ISO-NE sets State Engagement Period for Order No. 1920 compliance

A July 15 notice sets ISO-NE's State Engagement Period for August 17, 2026 through February 17, 2027, ahead of a June 14, 2027 deadline for regional and interregional Order No. 1920 compliance filings.

ISO-NE's July 15, 2026 notice to the RSEs established a State Engagement Period running from August 17, 2026 to February 17, 2027.1

Stakeholder discussions on ISO-NE's compliance proposal are scheduled to begin at the NEPOOL Transmission Committee meeting on September 15, 2026.2

ISO-NE's regional and interregional compliance filings under Order No. 1920 are due by June 14, 2027.3

FERC had previously granted three extensions of the Engagement Period and PJM Transmission Owners' Order No. 1920 compliance filing deadline, on February 6, 2025, October 17, 2025, and June 11, 2026.4

PJM's Area Relevant State Entities Committee, PJM Transmission Owners, and PJM Interconnection jointly filed a motion on August 4, 2026, requesting a 30-day extension of Order No. 1920 compliance deadlines, until September 10, 2026.5

Coverage notes

Gridlight’s notes on what we looked for and did not find; these statements are Gridlight’s own and are not claim-checked against archived sources.

  • Does not state whether FERC has ruled on PJM's August 4, 2026 extension motion — no order on it is in the verified record.
  • Does not cite the RM21-17 docket number — not present in the verified claims.
Sources 5/5 matched to archived source ✓
1 ISO New England Inc. submits first Informational Report in compliance with the Commission’s 05/13/2024 Order under RM21-17. RM21-17 · Aug 16, 2026 archived ↗
2 Notice of Extension of Time re Building for the Future Through Electric Regional Transmission Planning and Cost Allocation under RM21-17. RM21-17 · Aug 12, 2026 archived ↗