City of Aspen Notice of Availability of Environmental Assessment for Ruedi Hydroelectric Project
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The Federal Energy Regulatory Commission (FERC) has prepared an Environmental Assessment for the City of Aspen's application to amend its license for the Ruedi Hydroelectric Project No. 3603. The proposed non-capacity amendment involves constructing a 22 by 28-foot powerhouse, adding 110 feet of new 30-inch penstock, installing a second 1.2-megawatt turbine and generator unit, building a new 48 by 48-inch by 60-foot concrete tailrace, adding a 24-inch bypass line, and modernizing the electrical system. The project is located at Ruedi Dam on the Fryingpan River in Pitkin and Eagle counties, Colorado. FERC staff concluded that the amendment with protective measures would not significantly affect the quality of the human environment. Comments on the EA must be filed by April 27, 2026 at 5:00 p.m. Eastern Time.
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Key Changes
- Construction of 22 by 28-foot powerhouse at Ruedi Hydroelectric Project No. 3603
- Addition of 110 feet of new 30-inch penstock
- Installation of second 1.2-megawatt turbine and generator unit
+ 3 more changes with Pro
Obligations
What this law requires
File all comments on the Environmental Assessment by April 27, 2026 at 5:00 p.m. Eastern Time
Include docket number P-3603-018 on the first page of any filing submitted to FERC
Submit comments electronically using FERC's eFiling system at http://www.ferc.gov/docs-filing/efiling.asp or use the eComment system for submissions up to 6,000 characters
If submitting paper copies via U.S. Postal Service, address to Debbie-Anne A. Reese, Secretary, Federal Energy Regulatory Commission, 888 First Street NE, Room 1A, Washington, DC 20426
If submitting paper copies via other carriers, address to Debbie-Anne A. Reese, Secretary, Federal Energy Regulatory Commission, 12225 Wilkins Avenue, Rockville, Maryland 20852