# Participation of Distributed Energy Resource Aggregations in Markets Operated by Regional Transmission Organizations and Independent System Operators
> **US Department of Energy** · Final rule. · Published 2021-03-30 · Effective 2021-06-01 · 86 FR 16511
## Document
- **Document number:** 2021-06089
- **Category:** other
- **Sub-agency:** US Department of Energy
- **Federal Register citation:** 86 FR 16511
- **CFR reference:** 18 CFR 35
- **Publication date:** 2021-03-30
- **Effective date:** 2021-06-01
- **Energy docket:** Docket No. RM18-9-002
## Abstract

In this order, the Federal Energy Regulatory Commission (Commission) addresses arguments raised on rehearing, sets aside in part, and clarifies in part its final rule amending its regulations to remove barriers to the participation of distributed energy resource aggregations in the capacity, energy, and ancillary service markets operated by Regional Transmission Organizations and Independent System Operators (RTOs/ISOs).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/03/30/2021-06089/participation-of-distributed-energy-resource-aggregations-in-markets-operated-by-regional)
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