# Revisions to Electric Reliability Organization Definition of Bulk Electric System and Rules of Procedure
> **Federal Energy Regulatory Commission** · Final rule; order on rehearing and clarification. · Published 2013-05-17 · Effective 2013-05-17 · 78 FR 29210
## Document
- **Document number:** 2013-11130
- **Category:** electric-grid
- **Sub-agency:** Federal Energy Regulatory Commission
- **Federal Register citation:** 78 FR 29210
- **CFR reference:** 18 CFR 40
- **Publication date:** 2013-05-17
- **Effective date:** 2013-05-17
- **Energy docket:** Docket Nos. RM12-6-001 and RM12-7-001
## Abstract

The Commission denies rehearing in part, grants rehearing in part and otherwise reaffirms its determinations in Order No. 773. In addition, the Commission clarifies certain provisions of the Final Rule. Order No. 773 approved the modifications to the currently- effective definition of "bulk electric system" developed by the North American Electric Reliability Corporation (NERC), the Commission- certified Electric Reliability Organization. Order No. 773 also approved NERC's revisions to its Rules of Procedure, which create an exception process to add elements to, or remove elements from, the bulk electric system on a case-by-case basis and established a process pursuant to which an entity can seek a determination by the Commission whether facilities are "used in local distribution" as set forth in the Federal Power Act.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/05/17/2013-11130/revisions-to-electric-reliability-organization-definition-of-bulk-electric-system-and-rules-of)
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