Power plant · Arkansas, United States
Harry D Mattison Gas Plant
Harry D Mattison Gas Plant is an idle gas power plant in Arkansas, United States, with 349 MW of capacity, owned by Southwestern Electric Power Co.
Grid connection
It is idle (standby or backup), holding a 349 MW grid connection at 161 kV to the grid of Southwestern Electric Power Co.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Arkansas | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Idle (standby or backup) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 2007 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Southwestern Electric Power Co | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Southwestern Electric Power Co | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 349 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Natural Gas Fired Combustion Turbine | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Grid operator | Southwestern Electric Power Co | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Voltage | 161 kV | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 36.1855, -94.2841 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.
Request researchHow it compares
Harry D Mattison Gas Plant is the 13th-largest of 15 power plants in Arkansas and the 870th-largest of 1,009 in the United States by capacity; its 349 MW is <0.1% of the 917,512 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Arkansas | 13th of 15 | 13,599 MW | 2.6% |
| United States | 870th of 1,009 | 917,512 MW | <0.1% |
| All power plants in our data | 1,521st of 15,799 | 1,918,113 MW | <0.1% |
Owner, operator, grid operator and place
More from Southwestern Electric Power Co
- Welsh1,116 MW
- Traverse Wind Project, LLC999 MW
- Wilkes882 MW
- Pirkey721 MW
- J Lamar Stall Unit624 MW
- John W Turk Jr Power Plant609 MW
- Wagon Wheel Wind598 MW
- Flint Creek558 MW
Other power plants in Arkansas
- Union Power Station2,428 MW
- Arkansas Nuclear One1,845 MW
- Independence Steam Electric Station1,800 MW
- White Bluff1,800 MW
- Magnet Cove746 MW
- Plum Point Energy Station720 MW
- Hot Spring Generating Facility715 MW
- Dell Power Station679 MW
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
- Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
- Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
- RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.
- Wikidata. Wikidata, CC0 1.0.