DOE/EA-2139: Draft Environmental Assessment

Evaluate environmental impacts of a WAPA interconnection agreement with Orion Wind Resources, LLC (Orion) to transmit wind electricity

Office of NEPA Policy and Compliance

March 1, 2022

Pronghorn Flats 115-kilovolt Project

Western Area Power Administration (WAPA) evaluated the potential environmental impacts of interconnecting the planned Pronghorn Flats wind project with WAPA’s Stegall-Archer 115-kV transmission line in the Pronghorn Flats 115-kilovolt Project environmental assessment (DOE/EA-2139).

For more information, see Pronghorn Flats 115-kilovolt Project.

draft-ea-2139-pronghorn-flats-2022-04.pdf (13.69 MB)

ea-2139-appendix-a-aquatic-resources-inventory-pronghorn-flats-2022.pdf (6.55 MB)

ea-2139-appendix-b-wind-sound-modeling-pronghorn-flats-2022.pdf (1.84 MB)

ea-2139-appendix-c-wildlife-studies-pronghorn-flats-2022.pdf (15.99 MB)

ea-2139-appendix-d-usfws-consultation-pronghorn-flats-2022.pdf (258.19 KB)

ea-2139-appendix-e-shadow-flicker-studies-pronghorn-flats-2022.pdf (2.87 MB)

ea-2139-appendix-f-public-scoping-comments-pronghorn-flats-2022.pdf (99.17 KB)