Stiles Hydro


STILES HYDROELECTRIC PLANT ON THE OCONTO RIVER AT STILES, WISCONSINHydro Page

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