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2.7 MW Distillate Oil standby in Clark, SD
2.7 MW
Nameplate Capacity
1
Generators
unit
Petroleum Liquids
Technology
1970
Operating Since
Coordinates
44.8765, -97.7321
County
Clark, SD
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | NorthWestern Energy - (SD) | — | — |
| Owner(s) | NorthWestern Energy - (SD) | — | — |
| Status | Standby | — | — |
The Clark power plant, located in Clark County, South Dakota, is a 2.7 MW electricity generating facility. The plant began operating in 1970 and utilizes Distillate Fuel Oil (DFO) as its primary fuel source, employing Petroleum Liquids technology. It consists of a single generator. The plant is owned and operated by NorthWestern Energy - (SD).
Clark operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. According to available data, the plant's installed cost was $318.06 per kW. In terms of size, the plant ranks 9th out of 11 power plants in South Dakota, and 685th out of 886 nationally. Financial data is sourced from FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
SPP
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Southwest Power Pool (SWPP)
Grid Voltage
34.5 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
0 MWh
Latest Month
0 MWh
Annual Generation
0.0%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Internal combustion · northwestern energy public service corporation · Data from 2015–2024
$348/kW
Installed Cost
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
Clark Junction Substation · 69 kV
Substation Distance
0 km
Operator
NorthWestern Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
WAUE_NWPS_NTWK
Pricing Hub
SPPNORTH_HUB
Location Type
Settlement Location
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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