How many battery storage projects are in Arkansas?

4, with 31 MW of nameplate capacity between them, spread over 3 counties. That is the EIA-860M operating count for 2026-07.

Is there a map of Arkansas battery storage projects?

Yes — the map above. Each dot is one battery storage project, sized by nameplate capacity and placed at the coordinates EIA files for it.

Which is the largest battery storage project in Arkansas?

Noland Wastewater Treatment Plant Hybrid, at 11 MW. The table is sorted largest first, so the rest follow it.

Is there a battery storage project near me in Arkansas?

The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.

Which grid operator runs Arkansas's battery storage projects?

No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Arkansas is largely a vertically integrated utility rather than an organised market.

How current is this, and what is left out?

EIA-860M for 2026-07. EIA technology "Batteries" — grid-connected electrochemical storage of 1 MW and above. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.

Battery Storage Projects in Arkansas

Every operating battery storage project in Arkansas on EIA-860M for 2026-07: 4 plants, 9 storage units and 31 MW of nameplate capacity across 3 counties.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 4; 9 generating units
Nameplate capacity: 31 MW
Counties: 3
Grid operator: Mixed; no single ISO covers a majority

Map of battery storage projects in Arkansas

Every one of the 4 plants is drawn at the coordinate EIA files for it.

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Battery · 4

List of battery storage projects in Arkansas

Sort by any column. Capacity is nameplate, summed across every generating unit EIA lists at the site.

battery storage projects in Arkansas

Noland Wastewater Treatment Plant Hybrid2 technologies	Today's Power, Inc.	Washington	11	2	2019	Operating
Westside Wastewater Treatment Plant Hybr2 technologies	Today's Power, Inc.	Washington	11	2	2019	Operating
General Dynamics2 technologies	Today's Power, Inc.	Ouachita	7	3	2020	Operating
Craighead Electric Solar One2 technologies	Today's Power, Inc.	Craighead	2.2	2	2018	Operating

Largest battery storage projects in Arkansas

1Noland Wastewater Treatment Plant HybridWashington County, Arkansas11 MW
2Westside Wastewater Treatment Plant HybrWashington County, Arkansas11 MW
3General DynamicsOuachita County, Arkansas7 MW
4Craighead Electric Solar OneCraighead County, Arkansas2.2 MW

Battery storage projects by county in Arkansas

The county EIA files against each plant. It is the fastest way to find the plant nearest a given town.

County	Plants	Nameplate MW
Washington	2	22
Ouachita	1	7
Craighead	1	2.2

Battery Storage Projects in Arkansas: FAQ

How many battery storage projects are in Arkansas?: 4, with 31 MW of nameplate capacity between them, spread over 3 counties. That is the EIA-860M operating count for 2026-07.
Is there a map of Arkansas battery storage projects?: Yes — the map above. Each dot is one battery storage project, sized by nameplate capacity and placed at the coordinates EIA files for it.
Which is the largest battery storage project in Arkansas?: Noland Wastewater Treatment Plant Hybrid, at 11 MW. The table is sorted largest first, so the rest follow it.
Is there a battery storage project near me in Arkansas?: The county roll-up below groups every plant by county, which is the quickest way to find the one closest to a given town.
Which grid operator runs Arkansas's battery storage projects?: No single ISO or RTO covers most of them. EIA files each plant against its own balancing authority, which in Arkansas is largely a vertically integrated utility rather than an organised market.
How current is this, and what is left out?: EIA-860M for 2026-07. EIA technology "Batteries" — grid-connected electrochemical storage of 1 MW and above. Plants below 1 MW are not surveyed by EIA and so are absent; retirements and additions after 2026-07 arrive with the next monthly release.