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1.4 MW Hydro operating in Rusk, WI — Midcontinent Independent Transmission System Operator, Inc..
1.4 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1927
Operating Since
Coordinates
45.4111, -91.2183
County
Rusk, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Northern States Power Co - Minnesota | — | — |
| Owner(s) | Northern States Power Co - Minnesota | — | — |
| Status | Operating | — | — |
Thornapple is a hydroelectric power plant located in Rusk County, Wisconsin. The plant, which began operating in 1927, has a total capacity of 1.4 MW across two generators. It is owned and operated by Northern States Power Co - Minnesota. The primary fuel source for the plant is water ("WAT" per EIA fuel code). Thornapple operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the MRO NERC region.
In the most recent year with available data, Thornapple generated 7,624 MWh of electricity, achieving a capacity factor of 62.0%. The plant's installed cost was $2,040.55 per kW, according to FERC data. Thornapple is ranked 54th out of 65 power plants in Wisconsin and 1352nd out of 1464 plants nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
501 MWh
Latest Month
7.6K MWh
Annual Generation
62.0%
Capacity Factor
Hydroelectric · Northern States Power Company (Wisconsin) · Data from 2015–2024
$4,334/kW
Installed Cost
$32.5/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
MINN.HUB
Node Source
OSM spatial match
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Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
23.9 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility