Johnson Falls — Plant Summary
- EIA Plant ID
- 4067
- Capacity
- 3.4 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Marinette, WI
- Operating Since
- 1923
- Generators
- 2
- Operator
- Wisconsin Public Service Corp
- Parent Company
- WEC Energy Group
- Annual Generation
- 10,244 MWh
- Capacity Factor
- 34.3%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- RFC
Johnson Falls
OperatingHydro
Ranked #37 of 61 Hydro plants in WI#1014 of 1454 nationally
3.4 MW Hydro operating in Marinette, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
3.4 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1923
Operating Since
Location
Coordinates
45.2871, -88.1602
County
Marinette, WI
Nearby Plants
- Big FallsHydro7.7 MW · 3.2 km
- Sandstone RapidsHydro3.8 MW · 9.5 km
- Caldron FallsHydro6.4 MW · 9.5 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Public Service Corp | Wisconsin Public Service | — |
| Owner(s) | Wisconsin Public Service Corp | WEC Energy Group | — |
| Status | Operating | — | — |
Ownership Chain
About
Johnson Falls is a 3.4 MW hydroelectric power plant located in Marinette County, Wisconsin. The plant began operating in 1923 and is owned by WEC Energy Group, with Wisconsin Public Service Corp. listed as the EIA operator. It consists of two generators utilizing conventional hydroelectric technology and its primary fuel source is water (WAT). The plant operates within the Midcontinent Independent Transmission System Operator, Inc. balancing authority and the ReliabilityFirst Corporation (RFC) NERC region.
In the most recent year with available data, Johnson Falls generated 10,244 MWh of electricity, achieving a capacity factor of 34.3%. The plant's installed cost was $717.53 per kW, according to FERC data. Johnson Falls is ranked as the 41st largest power plant out of 65 in Wisconsin, and 1028th out of 1464 nationally.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
24.9 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
641 MWh
Latest Month
10.2K MWh
Annual Generation
34.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$1,365/kW
Installed Cost
Wisconsin Public Service Corporation
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket 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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