Lake Catherine reports 552.5 MW natural gas in MISO.
Mapped infrastructure geometry associated with this asset.
EIA plant 170 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| 4 | Natural Gas Steam Turbine | Operating | 552.5 | Unknown |
| 1 | Natural Gas Steam Turbine | Retired | 40 | Unknown |
| 2 | Natural Gas Steam Turbine | Retired | 40 | Unknown |
| 3 | Natural Gas Steam Turbine | Retired | 119.5 | Unknown |
Similar plants ranked by technology, capacity, and distance.
Natural Gas · 599.5 MW
Pulaski County
Natural Gas · 714.8 MW
Hot Spring County
Natural Gas · 746 MW
Hot Spring County
Natural Gas · 551.3 MW
Attala County
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 1 | 40 MW 47 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Apr 1950 | Operating |
| 2 | 40 MW 45 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Aug 1950 | Operating |
| 3 | 119.5 MW 96 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Apr 1953 | Operating |
| 4 | 552.5 MW 522 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Apr 1970 Retirement: Dec 2027 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Union Power Station | 2,428 MW | AR | |
| Arkansas Nuclear One | 1,845 MW | AR | |
| Independence Steam Electric Station | 1,800 MW | AR | |
| White Bluff | 1,800 MW | AR | |
| Hot Spring Generating Facility | 714.8 MW | AR | |
| Lake CatherineCurrent | 552.5 MW | AR | |
Project milestones and public references behind the asset profile.
EIA-860 lists generator 1 with this operating date.
EIA-860 lists generator 2 with this operating date.
EIA-860 lists generator 3 with this operating date.
EIA-860 lists generator 4 with this operating date.
EIA-860 lists a planned retirement for generator 4.
Replaced by the 446 MW Ironwood Power Station.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Lake Catherine reports 552.5 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Lake Catherine is a Natural Gas Steam Turbine facility in Hot Spring County, AR, participating in the MISO market.
Lake Catherine is in Hot Spring County, AR, inside the MISO balancing area.
Lake Catherine is operated by Entergy Arkansas LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Lake Catherine reported 299.6 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.
By capacity, Lake Catherine ranks #42 of 259 operating plants of the same technology nationally. It ranks #1 of 3 in AR.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
