Idaho projects earn low-impact certification

The Low Impact Hydropower Institute has granted �low-impact� certification to Fall River Rural Electric Cooperative’s 4.8-MW Island Park and 250-kW Buffalo River projects in Idaho.

LIHI is a non-profit organization that certifies �low-impact� hydropower facilities nationwide to inform energy consumers and to support market incentives for reducing the effects of hydropower projects on U.S. rivers and streams.

Island Park (No. 2973), on the Henrys Fork River, was the second hydro project to be certified under LIHI’s voluntary Low Impact Certification Program in 2001. (HNN 5/25/06) That certification expired in August. The new certification expires in 2011.

Island Park is a run-of-river project using water from Island Park Reservoir under the direction of Fremont-Madison Irrigation District and the Bureau of Reclamation. Fall River owns the project.

Buffalo River (No. 1413), also located on Henrys Fork, received a five-year certification for the first time. The project includes a 142-foot-long by 12-foot-tall timber-faced rockfill diversion dam and a powerhouse with a single Bouvier Kaplan inclined-shaft turbine. Estimated total average annual generation is 1.9 gigawatt-hours.

Allegheny Electric seeks certification for 21-MW Raystown

Allegheny Electric Cooperative applied for certification of the 21-MW Raystown project (No. 2769). The project’s William F. Matson Generating Station sits at the base of the Corps of Engineers’ Raystown Dam, on the Raystown Branch of the Juniata River, in south central Pennsylvania.

The project is operated in cooperation with the Corps, which gives all flow and temperature regulating instructions to AEC. Constant flow discharges are adjusted on a daily basis to minimize fluctuations downstream. Hydro station control facilities are separate from those of Corps facilities, and feature an intake tower that can withdraw water from different lake levels for downstream temperature control.

LIHI said it will accept comments on the application until Oct. 11. They can be submitted by e-mail at with “Raystown Hydroelectric Project” in the subject line; by fax at (1) 206-984-3086; or by mail addressed to LIHI, 34 Providence St., Portland, ME 04103. All comments will be posted to the institute’s Internet site,, and AEC will have an opportunity to respond.

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