# Fuel Cell Thermal Energy Output; Bloom Energy Corporation
> **US Department of Energy** · Final rule. · Published 2021-02-04 · Effective 2021-04-05 · 86 FR 8133
## Document
- **Document number:** 2021-01988
- **Category:** other
- **Sub-agency:** US Department of Energy
- **Federal Register citation:** 86 FR 8133
- **CFR reference:** 18 CFR 292
- **Publication date:** 2021-02-04
- **Effective date:** 2021-04-05
- **Energy docket:** Docket Nos. RM21-2-000 and RM20-20-000
## Abstract

In this final rule, the Federal Energy Regulatory Commission amends the definition of useful thermal energy output in its regulations implementing the Public Utility Regulatory Policies Act of 1978 to recognize the technical evolution of cogeneration.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/02/04/2021-01988/fuel-cell-thermal-energy-output-bloom-energy-corporation)
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