Alcona P-2447

General information
Waterway	Au Sable River
Current status	Active
Type of facility	Conventional Hydro
Mode of hydropower generation	Run-of-river
Type of permit	FERC License
FERC information
FERC docket #	P-2447
FERC project name	Alcona
Permit issued	7/10/1994
Permit expires	6/26/2034
Ownership and operation
Owner	Consumers Energy Co
Owner type	Investor-Owned Utility
Year first online (conventional hydro)	1924
Transmission or distribution system owner	ITC Transmission
Power and generating capacity
Number of units	2
Total capacity from hydraulic turbine-generator units within each plant	8.0 mW
Average annual net hydropower generation	27,098.3 mWH

Dam containing two existing earth fill embankment sections, a concrete core wall, and a steel sheet pile cutoff wall
A 250-foot-long emergency spillway
An existing impoundment with an area of 1,470 acre-feet
A 135-foot-long tailrace
A concrete and masonry powerhouse containing two generating units
Transmission facilities, including a powerhouse step-up substation and a 400-foot-long, 138-kilovolt transmission line, and appurtenant facilities
The project has an average annual energy production of 26,038 MWh, based on a ten-year period of record from 1980 through 1989.

For a detailed description of this project and 10 others included in the Consumers Settlement Agreement, read this summary.

Au Sable River Projects, Au Sable River, Michigan (License summaries, Midwest)

From Alabama Rivers Alliance4/8/2021

From Appalachian Mountain Club4/8/2021

General information