# Energy Conservation Program for Commercial Equipment: Distribution Transformers Energy Conservation Standards; Final Rule
> **US Department of Energy** · Final rule. · Published 2007-10-12 · Effective 2007-11-13 · 72 FR 58190
## Document
- **Document number:** E7-19582
- **Category:** energy-efficiency
- **Sub-agency:** US Department of Energy
- **Federal Register citation:** 72 FR 58190
- **CFR reference:** 10 CFR 431
- **Publication date:** 2007-10-12
- **Effective date:** 2007-11-13
- **Energy docket:** Docket Number: EE-RM/STD-00-550
## Abstract

The Department of Energy (DOE) has determined that energy conservation standards for liquid-immersed and medium-voltage, dry-type distribution transformers will result in significant conservation of energy, are technologically feasible, and are economically justified. On this basis, DOE is today adopting energy conservation standards for liquid-immersed and medium-voltage, dry-type distribution transformers. Today's rule does not set energy conservation standards for underground mining distribution transformers.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/10/12/E7-19582/energy-conservation-program-for-commercial-equipment-distribution-transformers-energy-conservation)
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