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599.5 MW Natural Gas operating in Pulaski, AR — Midcontinent Independent Transmission System Operator, Inc..
599.5 MW
Nameplate Capacity
9
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Coordinates
34.5923, -92.2166
County
Pulaski, AR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Arkansas Electric Coop Corp | — | — |
| Owner(s) | Arkansas Electric Coop Corp | — | — |
| Status | Operating | — | — |
The Harry L. Oswald power plant is a 599.5 MW natural gas-fired combined cycle facility located in Pulaski County, Arkansas. It began operating in 2002 and is owned and operated by Arkansas Electric Cooperative Corporation. The plant consists of 9 generators utilizing natural gas as its primary fuel source. It is located within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC Reliability Corporation NERC region.
In the most recent year of record, the Harry L. Oswald plant generated 1,149,051 MWh of electricity, achieving a capacity factor of 21.8%. The plant ranks as the 5th largest out of 12 power plants in the state of Arkansas, and 404th out of 945 plants nationally. Recent news coverage of the plant includes 1 article related to industry trends and 1 article related to regulatory matters.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
39.2K MWh
Latest Month
1.1M MWh
Annual Generation
21.8%
Capacity Factor
CO₂ Intensity
907 lb/MWh
NOx
0.709 lb/MWh
SO₂
2013
$965/kW
Est. Construction Cost
Total estimated cost: $578.6M
Point of Interconnection
Nearest Substation
Wrightsville Substation · 500 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
EAI.CC.AECCWRT
Pricing Hub
ARKANSAS.HUB
Node Source
EIA-860 direct report
No news articles linked yet for this plant.
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ask pi about Harry L. OswaldMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
500.0 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Electric Utility
0.005 lb/MWh
CH₄
0.019 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
17.9%
Annual Net Gen
941 GWh
CO₂eq
908 lb/MWh
Subregion
SERC Mississippi Valley