Plaquemine Cogeneration Plant
The Dow Chemical CompanyIberville County
Plaquemine Cogeneration Plant reports 1,084.8 MW natural gas in MISO.
Mapped infrastructure geometry associated with this asset.
EIA plant 55419 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| G500 | Natural Gas Fired Combined Cycle | Operating | 198 | Unknown |
| G600 | Natural Gas Fired Combined Cycle | Operating | 198 | Unknown |
| G700 | Natural Gas Fired Combined Cycle | Operating | 198 | Unknown |
| G800 | Natural Gas Fired Combined Cycle | Operating | 198 |
Mapped infrastructure geometry associated with this asset.
Similar plants ranked by technology, capacity, and distance.
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| G500 | 198 MW 151 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Mar 2004 | Operating |
| G600 | 198 MW 151 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Mar 2004 | Operating |
| G700 | 198 MW 151 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Mar 2004 | Operating |
| G800 | 198 MW 151 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Mar 2004 | Operating |
| ST5 | ||||
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.
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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Project milestones and public references behind the asset profile.
EIA-860 lists generator G500, generator G600, generator G700, generator G800, generator ST5 with this operating date.
| Unknown |
| ST5 | Natural Gas Fired Combined Cycle | Operating | 195 | Unknown |
|---|
| ST6 | Natural Gas Fired Combined Cycle | Operating | 48.9 | Unknown |
|---|
| ST7 | Natural Gas Fired Combined Cycle | Operating | 48.9 | Unknown |
|---|
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
EIA-860 lists generator ST6, generator ST7 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Plaquemine Cogeneration Plant reports 1,084.8 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Plaquemine Cogeneration Plant is a Natural Gas Fired Combined Cycle facility in Iberville County, LA, participating in the MISO market.
Plaquemine Cogeneration Plant is in Iberville County, LA, inside the MISO balancing area.
Plaquemine Cogeneration Plant is operated by Dow Chemical Co according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Plaquemine Cogeneration Plant reported 5,620.6 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Plaquemine Cogeneration Plant ranks #84 of 540 operating plants of the same technology nationally. It ranks #2 of 15 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.