LUDINGTON

Operating

Hydro power plant

Capacity
1,979 MW
Primary fuel
Hydro
County
Mason County
Operator
CONSUMERS ENERGY CO
Status
Operating
Commissioned
1973
EIA plant ID
1713
Generators
6
Technology
Hydroelectric Pumped Storage
Net generation (2024)
-976 GWh
Data vintage
EIA-860 2024 final; EIA-923 2022-2024 final
Coordinates
43.8939, -86.4451

See it on the map

LUDINGTON, a 1,979 MW Hydro power plant in Mason County, Michigan. Operated by CONSUMERS ENERGY CO, commissioned 1973.

How LUDINGTON compares

With 1,979 MW of capacity, LUDINGTON ranks 3rd among the 171 operating power plants Bywatts maps in Michigan and is the largest of the 49 operating Hydro plants in the state. It accounts for about 85% of Michigan's operating Hydro capacity and 7.5% of all operating capacity in the state. Nationally it is the 6th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1973, it is older than 55% of the 168 operating Michigan plants with a recorded commissioning year. Its operator, CONSUMERS ENERGY CO, runs 18 operating plants in Michigan totaling 6,733 MW. It shares Mason County with 2 other operating plants, MICHIGAN POWER LP and LAKE WINDS ENERGY PARK.

EIA-860 lists 6 generators at the site with 1,979 MW of nameplate capacity, all hydroelectric pumped storage technology. The plant was a net consumer of electricity in 2024 (-976 GWh), which is typical of pumped storage.

Grid neighborhood

The closest transmission line found within 10 miles is a 345 kV line owned by WOLVERINE POWER SUPPLY COOP, under 0.1 miles away. Another 5 operating power plants totaling 350 MW sit within 25 miles; the largest is MICHIGAN POWER LP (154 MW, Natural Gas).

Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology

Weather peril exposure

LUDINGTON is a 1,979 MW hydro power plant in Mason County, MI, operated by CONSUMERS ENERGY CO, commissioned in 1973. Mason County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.2 of 5 at the 5th national percentile. Heat wave is the leading peril, rated Very Low by FEMA at the 77th percentile.

The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.

1.2 of 5Modeled catastrophe exposure
LowExposure band
Heat waveLeading peril
Very LowFEMA county risk rating

Mason County hazard ratings

PerilFEMA ratingNational percentilePeril scoreEvents per year
Heat waveVery Low77th4.1 of 51.5
Strong windRelatively Moderate65th3.6 of 51.1
WildfireVery Low36th2.4 of 5<0.01
Winter weatherRelatively High34th2.4 of 528.7
Ice stormRelatively Low32nd2.3 of 50.34
Coastal floodingVery Low19th1.7 of 50.01
HailVery Low19th1.7 of 50.76
TornadoVery Low18th1.7 of 50.15
LightningRelatively Low12th1.5 of 528.8
EarthquakeVery Low12th1.5 of 5<0.01
Riverine floodingRelatively Low10th1.4 of 50.39
HurricaneVery Low9th1.4 of 50.01

Model hail, wind and flood exposure for Mason County in the weather risk calculator

Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.

Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.