The Granite Falls Dam is located on the Minnesota River in Granite
Falls, Minnesota. The existing dam and powerhouse were constructed by
the City of Granite Falls for the generation of hydroelectric power.
There are currently two open flume Leffel units with Francis turbines
generating electricity in the powerhouse. Unit No.1, installed in 1940,
is rated at345kW with 21 ft head. Unit No.2, installed in 1932, is
rated at 260 kW with 18 ft head. The net head at the site is approximately
18 ft, so the maximum generating capacity of the existing facility is
525 kW. The purpose of this study is to assess the feasibility of augmenting
the existing facility with additional capacity, or of replacing
the existing units with larger turbine units.
STATE OF MINNESOTA
DEPARTMENT OF NATURAL RESOURCES
St. Paul, Minnesota
Gake, Loyal; Garver, Rodrick; Gulliver, John S.; Renaud, Richard.
Feasibility of Hydropower capacity additions at the Granite Falls dam.
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