# Standards for Business Practices and Communication Protocols for Public Utilities
> **Federal Energy Regulatory Commission** · Final rule. · Published 2021-06-02 · Effective 2021-08-02 · 86 FR 29491
## Document
- **Document number:** 2021-11352
- **Category:** electric-grid
- **Sub-agency:** Federal Energy Regulatory Commission
- **Federal Register citation:** 86 FR 29491
- **CFR reference:** 18 CFR 37
- **Publication date:** 2021-06-02
- **Effective date:** 2021-08-02
- **Energy docket:** Docket Nos. RM05-5-029 and RM05-5-030
## Abstract

The Federal Energy Regulatory Commission (Commission) is revising its regulations to incorporate by reference the latest version (Version 003.3) of the Standards for Business Practices and Communication Protocols for Public Utilities adopted by the Wholesale Electric Quadrant (WEQ) of the North American Energy Standards Board (NAESB). The WEQ Version 003.3 Standards include, in their entirety, the WEQ-023 Modeling Business Practice Standards contained in the WEQ Version 003.1 Standards, which address the technical issues affecting Available Transfer Capability (ATC) and Available Flowgate Capability (AFC) calculation for wholesale electric transmission services, with the addition of certain revisions and corrections. The Commission also revises its regulations to provide that transmission providers must avoid unduly discriminatory and preferential treatment in the calculation of ATC.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/06/02/2021-11352/standards-for-business-practices-and-communication-protocols-for-public-utilities)
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