Hydroelectric Power

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  • Most of AMP’s hydropower comes from the North Fork of the Stanislaus River. The North Fork Stanislaus River Hydroelectric Development Project (also known as the Calaveras Project) has a total capacity of 252 MW, of which Alameda’s share is 25 MW. 

  • The Calaveras Project spans 60 miles of the Stanislaus River on the western slope of the Sierra Nevadas.

  • The three dams of the Upper Utica project store water, control flows to the New Spicer Meadow Reservoir, and provide recreation. The 189-foot tall, rock-filled New Spicer Meadow Reservoir stores 189,000 acre feet of water at a 6,600 foot elevation.

  • Releases from the New Spicer Meadow Reservoir go through a 5.5 MW hydroelectric plant (pictured) before reaching McKays Point Reservoir. Water is released from the McKays Point Reservoir through an 18-foot wide, 8.5-mile long tunnel which falls the distance of 2,270 feet to the Collierville Powerhouse. The energy is sufficient to rotate two large turbines and generators weighing 422 tons at a speed of 450 revolutions per minute in the Collierville Powerhouse, which generates a total of 243 MW.

  • AMP has 10.8 MW of capacity at the Western Area Power Administration’s Central Valley Project. The Central Valley Project is a system of 11 hydropower plants located in Northern and Central California with a maximum operation capability of 2,100 MW.

  • AMP also has 0.4 MW of capacity at a small hydropower plant in Graeagle, which is located in Plumas County in the Sierra Nevadas. 

Click here to learn more about hydropower...

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