Waterford 3 Steam Electric Station is a nuclear station in Killona, Louisiana, associated with the MISO registry. The EIA plant baseline lists 1,199.8 MW of nameplate capacity. Entergy identifies Entergy Louisiana, LLC as owner and reports a maximum dependable capacity of 1,152 MW for its pressurized-water reactor. The page distinguishes the EIA nameplate baseline from the company's dependable-capacity figure.
Canonical EIA plant baseline.
plant-4270
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 3 | 1,199.8 MW 1,086.9 MW summer | Nuclear Nuclear · ST | Sep 1985 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
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.
Project milestones and public references behind the asset profile.
EIA-860 lists generator 3 with this operating date.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Nine Mile Point | 2,439.7 MW | LA | |
| R S Nelson | 1,433.6 MW | LA | |
| Waterford 3Current | 1,199.8 MW | LA | |
| River Bend | 1,035.9 MW | LA | |
| Little Gypsy | 1,002.9 MW | LA | |
| St. Charles Power Station (LA) | 1,000 MW | LA | |
| Lake Charles Power | 1,000 MW | LA | |
| Ouachita | 903.9 MW | LA |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Entergy lists Sept. 24, 1985 as Waterford 3's commercial operation date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Waterford 3 has a reported capacity of 1,199.8 MW. Source: EIA Form 860M.
Waterford 3 is a nuclear facility in St Charles County, LA, participating in the MISO market.
Waterford 3 is in St Charles County, LA, inside the MISO balancing area.
Waterford 3 is operated by Entergy Louisiana LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Waterford 3 reported 8,704.3 GWh over the twelve months to 2026-04. Figures are net generation as filed to EIA-923.
By capacity, Waterford 3 ranks #43 of 54 operating plants of the same technology nationally. It ranks #1 of 2 in LA.
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.
