Distribution Transformers Version 1.0 Specification

The ENERGY STAR specification for distribution transformers is under development. Materials related to the specification development process are provided below. Please e-mail DistributionTransformers@energystar.gov with questions or concerns regarding these materials or the revision process and requests to be added to the e-mail distribution list.
 

Distribution Transformers Draft 2 Data Analysis Memo

Distribution Transformers Stakeholder Comments on Draft 2 Specification
CDA Comments (PDF, 228 KB)
NEMA Comments (PDF, 651 KB)

Distribution Transformers Draft 2 Specification Webinar

The Draft 2 data analysis and a corresponding memo will be posted by August 26th.


Distribution Transformers Draft 2 Specification Analysis (EXCEL, 22.4MB)


Distribution Transformers Draft 2 Specification

Stakeholders are encouraged to submit any data and feedback to EPA on the Draft 2 ENERGY STAR Specification for Distribution Transformers to DistributionTransformers@energystar.gov no later than Tuesday, August 16, 2016. EPA will host a webinar on Thursday, August 11, 2016 from 1:00 PM to 4:00 PM Eastern time to discuss the Draft 2 specification.
 


Distribution Transformers Draft 1 In-person Meeting

Distribution Transformers Draft 1 Specification

Stakeholders are encouraged to submit any data and feedback to EPA on the Draft 1 ENERGY STAR Specification for Distribution Transformers to DistributionTransformers@energystar.gov no later than Wednesday, September 16, 2015. EPA will host an in-person meeting on Thursday, August 20, 2015 from 10am to 4:30pm Eastern time to discuss the Draft 1 specification. Please RSVP to DistributionTransformers@energystar.gov by Monday, Thursday, August 6th to confirm if you are able to attend.


Distribution Transformers Stakeholder Comments on Framework Document
AK Steel Comments (PDF, 158 KB)
APPA and NRECA Comments (PDF, 402 KB)
EEI Comments (PDF, 1.1 MB)
NEMA Comments (PDF, 220 KB)
NRDC Comments (PDF, 113 KB)
NRECA Comments (PDF, 0 B)

Distribution Transformers Launch Webinar
Launch Webinar Slides (PDF, 2.7 MB)

Distribution Transformers Launch Letter and Framework Document

The U.S. Environmental Protection Agency (EPA) is pleased to announce the launch of a process to develop an ENERGY STAR specification for medium voltage liquid-immersed distribution transformers. The launch letter and framework document provide background on the ENERGY STAR program, explains EPA’s interest in distribution transformers and current thinking regarding this product category, and outlines EPA’s goals and next steps for this specification development.

Stakeholders are encouraged to submit comments to EPA on the issues identified and proposals outlined in the framework document as well as any other issues associated with the development of an ENERGY STAR specification for distribution transformers no later than January 28, 2015. Additionally, EPA will host a launch webinar on January 14, 2014 to discuss the issues identified in this framework and encourage feedback from stakeholders to inform a proposed path forward. Please register to attend the webinar.