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
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
730 MWh
Latest Month
8.8K MWh
Annual Generation
26.3%
Capacity Factor
$1,349/kW
Installed Cost
Wisconsin Public Service Corporation
Reporting Utility
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
Location Type
Load Zone
Node Source
EIA-860 direct report
Town of Rome solar project approved by PSC despite local opposition
The Wisconsin Public Service Commission voted unanimously on Thursday to approve a certificate of public convenience and necessity for Akron...
Utilities Propose $400M Solar-Battery Park In Kenosha County
The state's largest utility company, WEC Energy Group, is partnering with Madison Gas and Electric on a $400 million solar and battery...
WEC Energy Group to buy 80% stake in Illinois wind farm for $345 million
WEC Energy will have invested more than $1.2 billion in wind farms in the Midwest once the pending purchase closes.
Last updated 2026-03-26
View all articles