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2.4 MW Hydro operating in St Croix, WI
2.4 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1901
Operating Since
Coordinates
45.1576, -92.7162
County
St Croix, WI
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Northern States Power Co - Minnesota | — | — |
| Owner(s) | Northern States Power Co - Minnesota | — | — |
| Status | Operating | — | — |
The Apple River hydroelectric plant is located in St. Croix County, Wisconsin. The plant has a total capacity of 2.4 MW across three generators, and it began operating in 1901. The primary fuel source is water (WAT), and the plant utilizes conventional hydroelectric technology. Northern States Power Co - Minnesota is the operator, and the plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the MRO NERC region.
In the latest year of reported generation, the Apple River plant produced 12,951 MWh of electricity, achieving a capacity factor of 61.5%. The plant's installed cost was $2,002.81 per kW, according to FERC data. Apple River ranks as the 44th largest power plant out of 65 in Wisconsin, and it holds a national ranking of 1152 out of 1464 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
23.9 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
1.2K MWh
Latest Month
13.0K MWh
Annual Generation
61.5%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Hydroelectric · Northern States Power Company (Wisconsin) · Data from 2015–2024
$2,317/kW
Installed Cost
$13.9/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
Somerset Substation · 69 kV
Substation Distance
< 10 km
Operator
Xcel Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
MINN.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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Forward forecasts, scenario decomposition, and risk-decision tooling for this asset.