17.2 MW Hydro operating in Lincoln, WI — Midcontinent Independent Transmission System Operator, Inc..
17.2 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1938
Operating Since
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Public Service Corp | Wisconsin Public Service | — |
| Owner(s) | Wisconsin Public Service Corp | WEC Energy Group | — |
| Status | Operating | — | — |
Grandfather Falls is a hydroelectric power plant located in Lincoln County, Wisconsin. The plant has a total capacity of 17.2 MW across two generators, and it began operating in 1938. The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology. Wisconsin Public Service Corp, a subsidiary of WEC Energy Group, operates the facility. Grandfather Falls is connected to the Midcontinent Independent Transmission System Operator (MISO) and is within the RFC NERC region.
In the most recent year with available data, Grandfather Falls generated 80,392 MWh of electricity, achieving a capacity factor of 53.2%. The plant is the 14th largest in Wisconsin out of 65 facilities and ranks 522nd nationally out of 1464. Financial data indicates an installed cost of $1,401.35 per kW.
Generated from EIA, GEM, and public data sources
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
6.4K MWh
Latest Month
80.4K MWh
Annual Generation
53.2%
Capacity Factor
$1,553/kW
Installed Cost
$19.2/MWh
Operating Cost
Wisconsin Public Service Corporation
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Grandfather Falls Generator Substation · 46 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
WPS.WPSM
Pricing Hub
MICHIGAN.HUB
Location Type
Load Zone
Node Source
EIA-860 direct report
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Last updated 2026-03-26
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