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1978.8 MW Hydro operating in Mason, MI — Midcontinent Independent Transmission System Operator, Inc..
1,978.8 MW
Nameplate Capacity
6
Generators
units
Hydroelectric Pumped Storage
Technology
1973
Operating Since
Coordinates
43.8942, -86.4447
County
Mason, MI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Consumers Energy Co - (MI) | Consumers Energy | — |
| Owner(s) | Consumers Energy Co - (MI), DTE Electric Company | DTE Energy | — |
| Status | Operating | operating | — |
The Ludington Pumped Storage Plant is a hydroelectric plant and reservoir in Ludington, Michigan. It was built between 1969 and 1973 at a cost of $315 million and is owned jointly by Consumers Energy and DTE Energy and operated by Consumers Energy. At the time of its construction, it was the largest pumped storage hydroelectric facility in the world.
Read more on WikipediaThe Ludington pumped storage plant is located in Mason County, Michigan. It has a total capacity of 1978.8 MW across six hydroelectric pumped storage generators. The plant began operating in 1973 and is owned by DTE Energy, with Consumers Energy Co. (MI) listed as the EIA operator. The primary fuel source is water (WAT). Ludington is the largest power plant in Michigan and ranks sixth nationally out of 194 similar facilities.
The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. Financial data indicates an installed cost of $249.14 per kW, based on FERC filings. The plant has been the subject of 10 news articles, with coverage focusing on industry trends, grid operations, and regulatory matters.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
−47.4K MWh
Net Charging
-637.5K MWh
Annual Net Energy
-3.7%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Consumers Energy Company · Data from 2015–2024
$524/kW
Installed Cost
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Ludington Substation · 345 kV
Substation Distance
0 km
Operator
ITC
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
CONS.LUDINGTN1
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-04-09
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