1845 MW Nuclear operating in Pope, AR — Midcontinent Independent Transmission System Operator, Inc..
1,845 MW
Nameplate Capacity
2
Generators
units
Nuclear
Technology
1974
Operating Since
Coordinates
35.3110, -93.2351
County
Pope, AR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Entergy Arkansas LLC | Entergy Nuclear Operations | Entergy |
| Owner(s) | Entergy Arkansas LLC | Entergy | — |
| Status | Operating | operating | — |
Arkansas Nuclear One (ANO) is a two-unit pressurized water nuclear power plant located on Lake Dardanelle outside Russellville, Arkansas. It is owned by Entergy Arkansas and operated by Entergy Nuclear. It is the only nuclear power facility in Arkansas. ANO has been in continuous operation for 50 years as of December 17, 2024.
Read more on WikipediaArkansas Nuclear One is a nuclear power plant located in Pope County, Arkansas. The plant, which began operating in 1974, has a total capacity of 1845 MW across two nuclear generators. It is owned by Entergy and operated by Entergy Arkansas LLC. Arkansas Nuclear One is the largest power plant in Arkansas and ranks 30th out of 55 nuclear plants nationally.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC NERC region. In the latest year of reported generation, Arkansas Nuclear One produced 15,193,050 MWh, achieving a capacity factor of 93.6%. Financial data indicates an installed cost of $1429.56 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
500 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.4M MWh
Latest Month
15.2M MWh
Annual Generation
93.6%
Capacity Factor
$2,179/kW
Installed Cost
$22.2/MWh
Operating Cost
Entergy Arkansas, Inc.
Reporting Utility
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Arkansas Nuclear One Substation · 500 kV
Substation Distance
< 10 km
Operator
Entergy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
EAI.ANO2
Pricing Hub
ARKANSAS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
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