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Final ruleTook effect May 26, 2026

Order No. 919; Virtualization Reliability Standards

Built by the Tribune's code from the Federal Register. No AI wrote this page. Published in the Federal Register March 24, 2026. Document 2026-05716. Updated Nov. 13, 2026.

What it does

The Federal Energy Regulatory Commission (Commission) approves 11 modified Critical Infrastructure Protection (CIP) Reliability Standards. The Commission also approves four new definitions and 18 modified definitions in the North American Electric Reliability Corporation (NERC) Glossary of Terms Used in Reliability Standards. To address concerns regarding a proposed self-implementing exception phrase ("per system capability") that appears in multiple provisions of the modified CIP Reliability Standards, the Commission directs NERC to develop a clear set of criteria that satisfies the fundamental needs for oversight, consistency, and alternative mitigation when a responsible entity invokes the per system capability exception. NERC, the Commission-certified Electric Reliability Organization (ERO), submitted the proposed modifications to update the CIP Reliability Standards to enable the application of virtualization and other new technologies in a secure manner.

The Federal Energy Regulatory Commission's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 18 of the Code of Federal Regulations:

18 CFR 40

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Federal Energy Regulatory Commission has published 10 final rules in 2026 so far, compared with 14 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

his action is effective May 26, 2026.

The agency's dates, word for word.

Document number2026-05716
ActionFinal action.
AgenciesEnergy Department; Federal Energy Regulatory Commission
PublishedMarch 24, 2026
Effective dateMay 26, 2026

Source: the Federal Register (public domain). The document in the Federal Register