Calkins Bridge P-785

General information

Waterway  Kalamazoo River
Current status   Active license 
Type of facility Conventional Hydro
Mode of hydropower generation Run-of-river
Type of permit FERC License

FERC information

FERC docket # P-785
FERC project name Calkins Bridge
Permit issued 1/10/10
Permit expiration 4/6/40

Ownership and operation

Owner Consumers Energy Co
Owner type Investor-Owned Utility
Year first online (conventional hydro) 1935
Transmission or distribution system owner Consumers Energy Co

Power and generating capacity

Number of units 3
Total capacity from hydraulic turbine-generator units within each plant 2.6 mW
Average annual net hydropower generation 13,146.0 mWH

This project is located on the Kalamazoo River near the City of Allegan in Allegan County, Michigan.

The project consists of:

  • a 30-foot-high, 1,330-foot-long dam,
  • a 6-mile-long, 1,550-acre reservoir, and
  • a powerhouse with three generating units.

The project is operated in a run-of-river mode. Its generates an average of 13,041 megawatt hours (MWh) annually



EA Issued 06-29-2009

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