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Gordon Butte Pumped Storage

Project Information
Sector: Renewable Energy Production
Project Category: 
FAST-41 Covered Projects
Project Status: 

Gordon Butte Pumped Storage (Project No. 13642) is a proposal to construct an original, closed-loop pumped storage project that would provide 400 MW of generation capacity in Montana.  The proposed project would consist of, among other facilities, an upper and lower reservoir each with an active storage of 4,070 acre-feet, a penstock, a powerhouse, two substations, and a 5.7 mile-long, 230-kilovolt transmission line.

Project Application and Supporting Documents

Federal Agency Actions

FERC Litigation

  • None filed. 

Permitting Timeline

Non-Federal Hydropower Licenses
Federal Energy Regulatory Commission
Complete 12/14/2016
Initial application received
Complete 10/01/2015
Completed application received
Complete 02/04/2016
Issuance of decision for permit/approval.
Complete 12/14/2016
Notice to proceed
Review Terminated with no decision
Environmental Assessment (EA)
Federal Energy Regulatory Commission
Complete 09/27/2016
Determination to prepare an Environmental Assessment (EA)
Release for Public Review
Draft EA or other means of coordinating the development of an EA
Final EA
Draft proposed Finding of No Significant Impact (FONSI)
Issuance of Final EA and Finding of No Significant Impact (FONSI)
Complete 09/27/2016
Decision to prepare an Environmental Impact Statement
Issuance of Supplemental EA
Issuance of Supplemental FONSI
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