Power plant · Arizona, United States
Wilmot Energy Center II
Wilmot Energy Center II is a battery storage plant under construction in Arizona, United States, with 200 MW of capacity, owned by Wilmot Energy Center II, LLC.
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 | Arizona | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Under construction | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 2026 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Wilmot Energy Center II, LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Wilmot Energy Center II, LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 200 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Batteries | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Grid operator | Tucson Electric Power Co | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Voltage | 138 kV | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 31.5925, -110.5014 | 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
Wilmot Energy Center II is the 30th-largest of 49 power plants planned, permitted or under construction in Arizona and the 416th-largest of 835 in the United States by capacity; its 200 MW is <0.1% of the 282,375 MW of power plants planned, permitted or under construction we hold for the United States. It is not built yet, so it is ranked among the power plants planned, permitted or under construction in our data, apart from the ones running today. Ranks and totals cover the ones that report their capacity.
| Within | Rank | Total | Share |
|---|---|---|---|
| Arizona | 30th of 49 | 18,418 MW | 1.1% |
| United States | 416th of 835 | 282,375 MW | <0.1% |
| All power plants planned, permitted or under construction in our data | 745th of 5,799 | 657,076 MW | <0.1% |
Nearby
Within 50 km of this power plant: 167 water rights, 1 mine and 1 data center, measured from the coordinates in the facts above. The table shows the nearest 5, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Lyle Canyon water right 33-044646.0001 | Water right | — | — | 4.6 km |
| Lyle Canyon water right 33-059318.0001 | Water right | — | — | 4.7 km |
| Lyle Canyon water right 33-059319.0001 | Water right | — | — | 4.8 km |
| Hermosa Mine | Mine | — | Idle | 26 km |
| DirecTV data center, Benson | Data center | — | — | 46 km |
Owner, operator, grid operator and place
Other power plants in Arizona
- Palo Verde4,210 MW
- Navajo2,409 MW
- Springerville1,779 MW
- Santan1,326 MW
- Glen Canyon Dam1,312 MW
- Harquahala Generating Project1,277 MW
- West Phoenix1,207 MW
- Cholla1,129 MW
Data on this page
- Arizona Department of Water Resources water rights (surface water filings and irrigation grandfathered rights). Arizona Department of Water Resources water rights (surface water filings and irrigation grandfathered rights), Restricted.
- 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.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- 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.