# Sales of Electric Power to the Bonneville Power Administration; Revisions to Average System Cost Methodology
> **US Department of Energy** · Final rule. · Published 2009-09-15 · Effective 2009-10-15 · 74 FR 47052
## Document
- **Document number:** E9-21946
- **Category:** other
- **Sub-agency:** US Department of Energy
- **Federal Register citation:** 74 FR 47052
- **CFR reference:** 18 CFR 301
- **Publication date:** 2009-09-15
- **Effective date:** 2009-10-15
- **Energy docket:** Docket Nos. EF08-2011-000 and RM08-20-000
## Abstract

The Federal Energy Regulatory Commission grants final approval to the revised methodology for determining the average system cost (ASC) used by Bonneville Power Administration in its Residential Exchange Program.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2009/09/15/E9-21946/sales-of-electric-power-to-the-bonneville-power-administration-revisions-to-average-system-cost)
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