Shoshone Falls Hydroelectric Project, Stone Cellar, North Bank of Snak...
Significance: It was the second building constructed in 1921 by the Idaho Power Company as part of its 1920-21 expansion of the hydroelectric facility. This low-slung stone building, which butts up against the ... More
Shoshone Falls Hydroelectric Project, Shoshone Substation/Switchyard, ...
Significance: It was the origination point of several 44kV lines that transmitted electricity to Oakley, Twin Falls, Malad, Lower Salmon, and Thousand Springs, ID. It was among the first improvements implemente... More
Cove Hydroelectric Development, Heating House, Cove Power Plant Road, ...
Significance: The heating house (switch house) is an original component of the Cove Hydroelectric Development. It exhibits the Mission Revival architecture elements that visually tie the elements of the upper C... More
Cove Hydroelectric Development, Workshop, Cove Power Plant Road, Grace...
Significance: The workshop was likely a component of the construction of the Cove Hydroelectric Development and served as a location of carpentry and tool repair. Survey number: HAER ID-43-D Building/structur... More
Shoshone Falls Hydroelectric Project, Reservoir and Dam Complex, North...
Significance: The reservoir and dam complex mark the capture point, the beginning, of the the entire Shoshone Falls hydroelectric system. The four dams of the dam complex impound water in the reservoir, allowin... More
Shoshone Falls Hydroelectric Project, Reservoir and Dam Complex, North...
Significance: The reservoir and dam complex mark the capture point, the beginning, of the the entire Shoshone Falls hydroelectric system. The four dams of the dam complex impound water in the reservoir, allowin... More
Shoshone Falls Hydroelectric Project, Intake, North Bank of Snake Riv...
Significance: The intake represents an original component of the 1921 expansion of the Shoshone Falls Hydroelectric Project and the point at which water is channeled into the tunnel and penstock system, which d... More
Cove Hydroelectric Development, Cove Power Plant Road, Grace, Caribou ...
Significance: The Cove Hydroelectric Development encompasses a unique flume system that was constructed with great effort in a remote landscape; captured a natural water source and used innovative design method... More
Shoshone Falls Hydroelectric Project, Cliff Substation & Warehouse, No...
Significance: The substation, rated at 138kV is an original component of the Idaho Power Company's 1920s expansion of the Shoshone Falls Hydroelectric Project to meet growing demand for electricity. Transmissio... More
Shoshone Falls Hydroelectric Project, Canyon Road, North Bank of Snake...
Significance: It encompasses a unique tunnel and penstock system that was constructed with great effort in a remote landscape; was adapted to the severe environmental constraints created by the deep and narrow ... More
Shoshone Falls Hydroelectric Project, Canyon Road, North Bank of Snake...
Significance: It encompasses a unique tunnel and penstock system that was constructed with great effort in a remote landscape; was adapted to the severe environmental constraints created by the deep and narrow ... More
Shoshone Falls Hydroelectric Project, Tunnel and Penstock, North Bank ...
Significance: The concrete-lined tunnel was among the first, if not the first, permanent components of the Shoshone Falls Project. Begun in 1901, it took more than three years and several changes of ownership b... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Shoshone Falls Hydroelectric Project, Canyon Road, North Bank of Snake...
Significance: It encompasses a unique tunnel and penstock system that was constructed with great effort in a remote landscape; was adapted to the severe environmental constraints created by the deep and narrow ... More
Cove Hydroelectric Development, Upper Gate House, Cove Power Plant Roa...
Significance: The Upper Gate House contained the Tainter gate that controlled the volume of water flowing through the Cove system. Survey number: HAER ID-43-F Building/structure dates: 1916-1917 Initial Construction
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Forebay & Diversion Dam, Cove Power Pl...
Significance: The forebay and diversion dam mark the capture point, the beginning, of the entire Cove system. The dam impounds water in the forebay, forcing it through the screen house and ultimately into the l... More
Cove Hydroelectric Development, Cove Power Plant Road, Grace, Caribou ...
Significance: The Cove Hydroelectric Development encompasses a unique flume system that was constructed with great effort in a remote landscape; captured a natural water source and used innovative design method... More
Shoshone Falls Hydroelectric Project, Garage & Celler, North Bank of S...
Significance: It was the first building constructed in 1927 by the Idaho Power Company during its 1926-1927 expansion of the Shoshone Falls Hydroelectric Project. This stone building originally served as a gara... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Forebay & Diversion Dam, Cove Power Pl...
Significance: The forebay and diversion dam mark the capture point, the beginning, of the entire Cove system. The dam impounds water in the forebay, forcing it through the screen house and ultimately into the l... More
Shoshone Falls Hydroelectric Project, Reservoir and Dam Complex, North...
Significance: The reservoir and dam complex mark the capture point, the beginning, of the the entire Shoshone Falls hydroelectric system. The four dams of the dam complex impound water in the reservoir, allowin... More
Shoshone Falls Hydroelectric Project, Tailrace, North Bank of Snake Ri...
Significance: It provides for the discharge of wastewater from the two powerhouses. The tailrace represents the furthest downstream component of the hydroelectric facility and the final component through which ... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Cove Power House, Cove Power Plant Roa...
Significance: The Cove power house, with its Francis turbine, was the focal point of the Cove Hydroelectric Development. The power house generated 7.5 megawatts of power to supplement the power grid of Utah Po... More
Shoshone Falls Hydroelectric Project, Reservoir and Dam Complex, North...
Significance: The reservoir and dam complex mark the capture point, the beginning, of the the entire Shoshone Falls hydroelectric system. The four dams of the dam complex impound water in the reservoir, allowin... More
Shoshone Falls Hydroelectric Project, Intake, North Bank of Snake Riv...
Significance: The intake represents an original component of the 1921 expansion of the Shoshone Falls Hydroelectric Project and the point at which water is channeled into the tunnel and penstock system, which d... More
Cove Hydroelectric Development, Concrete-Lined Canal, Cove Power Plant...
Significance: The concrete-lined canal was an integral component of the original Cove system. It conveyed water from the screen house, through the upper gate house. It served as the transition feature from the... More
Cove Hydroelectric Development, Cove Power House, Cove Power Plant Roa...
Significance: The Cove power house, with its Francis turbine, was the focal point of the Cove Hydroelectric Development. The power house generated 7.5 megawatts of power to supplement the power grid of Utah Po... More
Cove Hydroelectric Development, Cove Power House, Cove Power Plant Roa...
Significance: The Cove power house, with its Francis turbine, was the focal point of the Cove Hydroelectric Development. The power house generated 7.5 megawatts of power to supplement the power grid of Utah Po... More
Shoshone Falls Hydroelectric Project, Intake, North Bank of Snake Riv...
Significance: The intake represents an original component of the 1921 expansion of the Shoshone Falls Hydroelectric Project and the point at which water is channeled into the tunnel and penstock system, which d... More
Shoshone Falls Hydroelectric Project, Intake, North Bank of Snake Riv...
Significance: The intake represents an original component of the 1921 expansion of the Shoshone Falls Hydroelectric Project and the point at which water is channeled into the tunnel and penstock system, which d... More
Cove Hydroelectric Development, Workshop, Cove Power Plant Road, Grace...
Significance: The workshop was likely a component of the construction of the Cove Hydroelectric Development and served as a location of carpentry and tool repair. Survey number: HAER ID-43-D Building/structur... More
Cove Hydroelectric Development, Substation, Cove Power Plant Road, Gra...
Significance: The substation contained step-up transformers that provided for the conversion of power generated by the Cove power house into a useable and transmissable wattage. Survey number: HAER ID-43-L Bu... More
Cove Hydroelectric Development, Cove Power House, Cove Power Plant Roa...
Significance: The Cove power house, with its Francis turbine, was the focal point of the Cove Hydroelectric Development. The power house generated 7.5 megawatts of power to supplement the power grid of Utah Po... More
Cove Hydroelectric Development, Cove Power Plant Road, Grace, Caribou ...
Significance: The Cove Hydroelectric Development encompasses a unique flume system that was constructed with great effort in a remote landscape; captured a natural water source and used innovative design method... More
Cove Hydroelectric Development, Cove Power Plant Road, Grace, Caribou ...
Significance: The Cove Hydroelectric Development encompasses a unique flume system that was constructed with great effort in a remote landscape; captured a natural water source and used innovative design method... More
Shoshone Falls Hydroelectric Project, Reservoir and Dam Complex, North...
Significance: The reservoir and dam complex mark the capture point, the beginning, of the the entire Shoshone Falls hydroelectric system. The four dams of the dam complex impound water in the reservoir, allowin... More
Cove Hydroelectric Development, Cove Power House, Cove Power Plant Roa...
Significance: The Cove power house, with its Francis turbine, was the focal point of the Cove Hydroelectric Development. The power house generated 7.5 megawatts of power to supplement the power grid of Utah Po... More
Shoshone Falls Hydroelectric Project, Reservoir and Dam Complex, North...
Significance: The reservoir and dam complex mark the capture point, the beginning, of the the entire Shoshone Falls hydroelectric system. The four dams of the dam complex impound water in the reservoir, allowin... More
Shoshone Falls Hydroelectric Project, Reservoir and Dam Complex, North...
Significance: The reservoir and dam complex mark the capture point, the beginning, of the the entire Shoshone Falls hydroelectric system. The four dams of the dam complex impound water in the reservoir, allowin... More
Shoshone Falls Hydroelectric Project, Reservoir and Dam Complex, North...
Significance: The reservoir and dam complex mark the capture point, the beginning, of the the entire Shoshone Falls hydroelectric system. The four dams of the dam complex impound water in the reservoir, allowin... More
Shoshone Falls Hydroelectric Project, Canyon Road, North Bank of Snake...
Significance: It encompasses a unique tunnel and penstock system that was constructed with great effort in a remote landscape; was adapted to the severe environmental constraints created by the deep and narrow ... More
Shoshone Falls Hydroelectric Project, Canyon Road, North Bank of Snake...
Significance: It encompasses a unique tunnel and penstock system that was constructed with great effort in a remote landscape; was adapted to the severe environmental constraints created by the deep and narrow ... More
Shoshone Falls Hydroelectric Project, Cliff Substation & Warehouse, No...
Significance: The substation, rated at 138kV is an original component of the Idaho Power Company's 1920s expansion of the Shoshone Falls Hydroelectric Project to meet growing demand for electricity. Transmissio... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Shoshone Falls Hydroelectric Project, Cliff Substation & Warehouse, No...
Significance: The substation, rated at 138kV is an original component of the Idaho Power Company's 1920s expansion of the Shoshone Falls Hydroelectric Project to meet growing demand for electricity. Transmissio... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Shoshone Falls Hydroelectric Project, Canyon Road, North Bank of Snake...
Significance: It encompasses a unique tunnel and penstock system that was constructed with great effort in a remote landscape; was adapted to the severe environmental constraints created by the deep and narrow ... More
Shoshone Falls Hydroelectric Project, Intake, North Bank of Snake Riv...
Significance: The intake represents an original component of the 1921 expansion of the Shoshone Falls Hydroelectric Project and the point at which water is channeled into the tunnel and penstock system, which d... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Cove Hydroelectric Development, Wood & Concrete Flume, Cove Power Plan...
Significance: The large wood and concrete flume is the most remarkable feature of the Cove Hydroelectric Development from both an aesthetic and an engineering perspective. The flume had to be precisely designe... More
Shoshone Falls Hydroelectric Project, Canyon Road, North Bank of Snake...
Significance: It encompasses a unique tunnel and penstock system that was constructed with great effort in a remote landscape; was adapted to the severe environmental constraints created by the deep and narrow ... More