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3.8 MW Hydro operating in Marinette, WI — Midcontinent Independent Transmission System Operator, Inc..
3.8 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1925
Operating Since
Coordinates
45.2330, -88.0668
County
Marinette, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Public Service Corp | Wisconsin Public Service | — |
| Owner(s) | Wisconsin Public Service Corp | WEC Energy Group | — |
| Status | Operating | — | — |
Sandstone Rapids is a 3.8 MW hydroelectric power plant located in Marinette County, Wisconsin. The plant began operating in 1925 and utilizes conventional hydroelectric technology. It has two generators and is owned by WEC Energy Group, with Wisconsin Public Service Corp. listed as the EIA operator. The plant's primary fuel source is water (WAT).
In the most recent year with available data, Sandstone Rapids generated 8,770 MWh of electricity, resulting in a capacity factor of 26.3%. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. According to available data, the installed cost per kilowatt was $784.37, based on FERC filings. Sandstone Rapids is ranked as the 37th largest power plant out of 65 in Wisconsin, and 987th out of 1464 nationally.
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
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
730 MWh
Latest Month
8.8K MWh
Annual Generation
26.3%
Capacity Factor
Hydroelectric · Wisconsin Public Service Corporation · Data from 2015–2024
$1,349/kW
Installed Cost
$28.4/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Sandstone Rapids · 69 kV
Substation Distance
< 10 km
Operator
American Transmission Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
WPS.WPSM
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
MINN.HUB
Location Type
Load Zone
Node Source
EIA-860 direct report
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