
Sidney A Murray Jr Hydroelectric is a 192 MW conventional hydroelectric plant in Concordia County. The Sidney A. Murray Jr. Hydroelectric Station is a 192 MW plant beside the Corps of Engineers' Old River Control Complex south of Vidalia, Louisiana, completed in 1990 as the state's first hydroelectric generating station. Eight turbines run in a prefabricated structure floated upriver from New Orleans. Vidalia receives royalties and holds an option to own the plant in 2030.
Mapped infrastructure geometry associated with this asset.
EIA plant 54678 · Inventory for Sep 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| 01 | Conventional Hydroelectric | Operating | 24 | Unknown |
| 02 | Conventional Hydroelectric | Operating | 24 | Unknown |
| 03 | Conventional Hydroelectric | Operating | 24 | Unknown |
| 04 | Conventional Hydroelectric | Operating | 24 | Unknown |
| 05 | Conventional Hydroelectric |
Similar plants ranked by technology, capacity, and distance.
Current generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 01 | 24 MW 24 MW summer | Conventional Hydroelectric HY | Jul 1990 | Operating |
| 02 | 24 MW 24 MW summer | Conventional Hydroelectric HY | Aug 1990 | Operating |
| 03 | 24 MW 24 MW summer | Conventional Hydroelectric HY | Jun 1990 | Operating |
| 04 | 24 MW 24 MW summer | Conventional Hydroelectric HY | May 1990 | Operating |
| 05 | 24 MW 24 MW summer | |||
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Where the plant sits in MISO: its market, pricing node, utility territory and the network around it, each with how it is known.
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.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Project milestones and public references behind the asset profile.
Hydroelectric station completed 40 miles south of Vidalia.
| Operating |
| 24 |
| Unknown |
| 06 | Conventional Hydroelectric | Operating | 24 | Unknown |
|---|
| 07 | Conventional Hydroelectric | Operating | 24 | Unknown |
|---|
| 08 | Conventional Hydroelectric | Operating | 24 | Unknown |
|---|
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
The site also falls inside the Concordia Electric Coop, Inc service territory.
EIA-860 lists generator 04, generator 06 with this operating date.
EIA-860 lists generator 03, generator 05, generator 07 with this operating date.
EIA-860 lists generator 01, generator 08 with this operating date.
EIA-860 lists generator 02 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Sidney A Murray Jr Hydroelectric reports 192 MW hydroelectric of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.
Sidney A Murray Jr Hydroelectric is a Conventional Hydroelectric facility in Concordia County, LA, participating in the MISO market.
Sidney A Murray Jr Hydroelectric is in Concordia County, LA, inside the MISO balancing area.
Sidney A Murray Jr Hydroelectric is operated by First National Bank-Commerce according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Sidney A Murray Jr Hydroelectric reported 885.2 GWh over the twelve months to 2024-12. Figures are net generation as filed to EIA-923.
By capacity, Sidney A Murray Jr Hydroelectric ranks #72 of 1,356 operating plants of the same technology nationally. It ranks #1 of 1 in LA.