# Standards of Performance for Greenhouse Gas Emissions From New, Modified, and Reconstructed Stationary Sources: Electric Utility Generating Units
> **Rule** · Final rule. · Published 2015-10-23 · Effective 2015-10-23 · 80 FR 64510
## Document
- **Document number:** 2015-22837
- **Category:** air-emissions
- **Federal Register citation:** 80 FR 64510
- **CFR reference:** 40 CFR 60
- **Publication date:** 2015-10-23
- **Effective date:** 2015-10-23
- **EPA docket:** EPA-HQ-OAR-2013-0495
## Abstract

The Environmental Protection Agency (EPA) is finalizing new source performance standards (NSPS) under Clean Air Act (CAA) section 111(b) that, for the first time, will establish standards for emissions of carbon dioxide (CO<INF>2</INF>) for newly constructed, modified, and reconstructed affected fossil fuel-fired electric utility generating units (EGUs). This action establishes separate standards of performance for fossil fuel-fired electric utility steam generating units and fossil fuel-fired stationary combustion turbines. This action also addresses related permitting and reporting issues. In a separate action, under CAA section 111(d), the EPA is issuing final emission guidelines for states to use in developing plans to limit CO<INF>2</INF> emissions from existing fossil fuel-fired EGUs.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2015/10/23/2015-22837/standards-of-performance-for-greenhouse-gas-emissions-from-new-modified-and-reconstructed-stationary)
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