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18.6 MW Natural Gas operating in Richland, MT — Midcontinent Independent Transmission System Operator, Inc..
18.6 MW
Nameplate Capacity
2
Generators
units
Natural Gas Internal Combustion Engine
Technology
2016
Operating Since
Coordinates
47.6785, -104.1567
County
Richland, MT
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Montana-Dakota Utilities Co | Montana-Dakota Utilities | — |
| Owner(s) | Montana-Dakota Utilities Co | small shareholder(s) | — |
| Status | Operating | — | — |
The Lewis & Clark plant is a natural gas-fired power plant located in Richland County, Montana. The plant has a total capacity of 18.6 MW consisting of two natural gas internal combustion engine generators. It began operating in 2016 and is operated by Montana-Dakota Utilities Co. While the parent company is listed as small shareholder(s), the plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority.
The plant's latest annual generation was 10,426 MWh, resulting in a capacity factor of 6.4%. According to available data, the installed cost was $1,490.89 per kW. The Lewis & Clark plant is ranked 7th out of 7 power plants in Montana and 1329th out of 1963 plants nationally.
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
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.6K MWh
Latest Month
10.4K MWh
Annual Generation
6.4%
Capacity Factor
CO₂ Intensity
1105 lb/MWh
NOx
22 lb/MWh
SO₂
0.030 lb/MWh
CH₄
0.021 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
12.0%
Annual Net Gen
20 GWh
CO₂eq
1106 lb/MWh
Subregion
MRO West
Steam turbine · MDU Resources Group, Inc. · Data from 2015
$1,491/kW
Installed Cost
$472/kW
Annual CapEx
$48.8/MWh
Operating Cost
Market Position
ISO/RTO Market
MISO
LMP Node
MDU.LEWIS2
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
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