STILES HYDROELECTRIC PLANT ON THE OCONTO RIVER AT STILES, WISCONSIN
Owned and Operated by Oconto Electric Cooperative
Licensed by: Federal Energy Regulatory Commission Project No. 1981
Construction began: September 1947
First generator went on line: April 5, 1949
Total cost of dam and power plant: About $750,000
Original license effective: March 1, 1950 – February 29, 2000
Current license effective though: January 31, 2033
Plant Capacity: 1000kW
Drainage area: 752 square miles
Average annual generation (20-year): 5577 Megawatt-hours
Average head: 20.3 feet
Reservoir: 463 acres
Reservoir elevation: 623.61 feet NGVD
Maximum discharge capacity: 15,200 cubic feet/second
Project Works:
North embankment: 1860 feet
South embankment: 300 feet
Powerhouse: 66 feet x 24 feet
Tainter gates: (3) each 20 feet wide x 15 feet high
Auxiliary fuse plug: 60 feet
Turbines: Two 750 HP vertical shaft Kaplan blade turbines
Generators: Two Allis-Chalmers 500kW 625 kVA, 0.80 pf, 2400 volt, 3-phase, 60 cycle, 225 RPM