Nine Springs — Plant Summary
- EIA Plant ID
- 9674
- Capacity
- 16.2 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Dane, WI
- Operating Since
- 1964
- Generators
- 1
- Operator
- Madison Gas & Electric Co
- Parent Company
- MGE Energy
- Annual Generation
- 82.02 MWh
- Capacity Factor
- 0.1%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- MRO
Nine Springs
OperatingNatural Gas
Ranked #37 of 40 Natural Gas plants in WI#1382 of 2009 nationally
16.2 MW Natural Gas operating in Dane, WI — Midcontinent Independent Transmission System Operator, Inc..
EIAWD
16.2 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combustion Turbine
Technology
1964
Operating Since
Location
Coordinates
43.0386, -89.3586
County
Dane, WI
Nearby Plants
- Blount StreetNatural Gas100 MW · 4.7 km
- Capitol Heat and PowerDistillate Oil2 MW · 4.7 km
- Diesel GeneratorsDistillate Oil54 MW · 4.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Madison Gas & Electric Co | Madison Gas & Electric | — |
| Owner(s) | Madison Gas & Electric Co | MGE Energy | — |
| Status | Operating | — | — |
Ownership Chain
About
Nine Springs is a natural gas-fired power plant located in Dane County, Wisconsin. The plant has a total capacity of 16.2 MW and began operating in 1964. It consists of a single generator utilizing a natural gas-fired combustion turbine. The plant is owned by MGE Energy and operated by Madison Gas & Electric Co.
In the most recent year of data, Nine Springs generated 82 MWh of electricity, resulting in a capacity factor of 0.1%. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the NERC MRO region. According to available data, the installed cost was $223.23 per kW. Nine Springs is ranked as the 33rd largest power plant in Wisconsin out of 35, and 1357th nationally out of 1963 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
13.8 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
7 MWh
Latest Month
82 MWh
Annual Generation
0.1%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$228/kW
Installed Cost
$1133.4/MWh
Operating Cost
Madison Gas and Electric Company
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
MEDIUM confidencePoint of Interconnection
Nearest Substation
Nine Springs Substation · 69 kV
Substation Distance
4.661 km
Operator
Madison Gas & Eletric
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MGE.BLTPLTG6
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
Curated node match
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Last updated 2026-03-14
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