603 MW Conventional Steam Coal (494 MW) + Natural Gas Fired Combustion Turbine (109 MW) operating in Greene, MO — Southwest Power Pool
603 MW
Nameplate Capacity
4
Generators
units
Hybrid (2)
Technology
Conventional Steam Coal + Natural Gas Fired Combustion Turbine
1976
Operating Since
Coordinates
37.1472, -93.3898
County
Greene, MO
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | City Utilities of Springfield - (MO) | City Utilities of Springfield - (MO) | — |
| Owner(s) | City Utilities of Springfield - (MO) | City Utilities of Springfield - (MO) | — |
| Status | Operating | — | — |
The John Twitty Energy Center is a 603 MW hybrid power plant located in Greene County, Missouri. It began operating in 1976 and is owned and operated by City Utilities of Springfield (MO). The plant utilizes both conventional steam coal and natural gas-fired combustion turbine technologies. It consists of 4 generators and its primary fuel source is natural gas.
The John Twitty Energy Center operates within the Southwest Power Pool (SPP) balancing authority and the Midwest Reliability Organization (MRO) NERC region. In the state of Missouri, it is ranked as the 6th largest power plant out of 20, and nationally it is ranked 400th out of 945. The plant's latest annual generation was 2,064,209 MWh, achieving a capacity factor of 39.1%.
Generated from EIA, GEM, and public data sources
NERC Region
MRO
Balancing Authority
Southwest Power Pool
Grid Voltage
161 kV
Regulatory Status
RE
Entity Type
Municipal
Sector
Electric Utility
164.1K MWh
Latest Month
2.1M MWh
Annual Generation
39.1%
Capacity Factor
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Southwest Substation · 161 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
SPP
LMP Node
SPRM_SWPS2
Pricing Hub
SPP South Hub
Secondary Zone
SPP North Hub
Node Source
EIA-860 direct report
Last updated 2026-03-26
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