Overview
System type: Grid-tied, batteryless microhydro-electric
System location: Eastsound, Washington
Site head: 650 ft.
Hydro resource flow (dry season): 50 gpm
Hydro resource flow (wet season): 1,200 gpm
Production (dry season): 7,000 AC kWh per month
Production (wet season): 32,000 AC kWh per month
Civil Works
Diversion: Stone & concrete weir
Intake: 12 sq. ft. stainless steel Hydro-Shear screen
Penstock: 700 ft. of 6 in. HDPE & 1,000 ft. of 6 in. diameter, 0.141 in. thick, roll-grooved steel with Victaulic couplers
Power house: 20 by 20 ft. concrete foundation & timber frame
Hydro Turbine
Turbine: Canyon Hydro model 1051-2, two-nozzle Pelton
Runner diameter: 10.5 in. cast stainless steel
Rated peak power output: 60 kW
Balance of System
Hydro turbine controller: Thomson & Howe grid protection panel, 480 V, 3-phase, 60 Hz
