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230.1 MW Bit. Coal operating in Sangamon, IL — Midcontinent Independent Transmission System Operator, Inc..
230.1 MW
Nameplate Capacity
1
Generators
unit
Conventional Steam Coal
Technology
2009
Operating Since
Coordinates
39.7548, -89.6024
County
Sangamon, IL
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City of Springfield - (IL) | City of Springfield - (IL) | — |
| Owner(s) | City of Springfield - (IL) | City of Springfield - (IL) | — |
| Status | Operating | — | — |
The V.Y. Dallman Power Station is a coal-fired power plant located in Springfield, Illinois, at the north end of Lake Springfield. It is owned and operated by the city-owned utility City Water, Light & Power. The plant operates on pulverized coal supplied by truck from an Illinois coal mine, and takes its cooling water from Lake Springfield.
Read more on WikipediaThe Dallman power plant, located in Sangamon County, Illinois, has a total capacity of 230.1 MW. The plant, which began operating in 2009, is owned and operated by the City of Springfield (IL). It utilizes conventional steam coal (BIT) as its primary fuel source and consists of a single generator. Dallman operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC NERC region.
In the most recent year with available data, the plant generated 900,919 MWh of electricity, achieving a capacity factor of 44.8%. Dallman is ranked as the 4th largest power plant out of 4 in Illinois, and 47th out of 50 nationally. News coverage related to the plant has included topics such as industry trends, regulatory matters, and potential hazards.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Municipal
Sector
Electric Utility
102.2K MWh
Latest Month
900.9K MWh
Annual Generation
44.8%
Capacity Factor
CO₂ Intensity
2551 lb/MWh
NOx
0.893 lb/MWh
SO₂
0.823 lb/MWh
CH₄
0.289 lb/MWh
N₂O
0.042 lb/MWh
Capacity Factor
16.8%
Annual Net Gen
643 GWh
CO₂eq
2570 lb/MWh
Subregion
SERC Midwest
No financial data available for this plant.
This is a small open-data project — if you have sources or want more coverage here, drop a note.
Market Position
ISO/RTO Market
MISO
LMP Node
CWLP.DALLMA84
Pricing Hub
ILLINOIS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
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