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7 MW Batteries (5 MW) + Solar Photovoltaic (2 MW) operating in Ouachita, AR — Midcontinent Independent Transmission System Operator, Inc..
7 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2020
Operating Since
Coordinates
33.6020, -92.5410
County
Ouachita, AR
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Today's Power, Inc. | Today's Power, Inc. | — |
| Owner(s) | Today's Power, Inc. | — | — |
| Status | Operating | operating | — |
Located in Ouachita County, Arkansas, the General Dynamics plant (EIA plant code 65351) is a 7 MW hybrid facility that combines solar photovoltaic generation with battery energy storage. The plant, owned and operated by Today's Power, Inc., commenced operations in 2020 and utilizes single-axis tracking for its solar panels. The facility is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority within the SERC NERC region.
The General Dynamics plant's energy storage system has a capacity of 4.8 MWh, providing a duration of 1.92 hours and employing lithium-ion battery (LIB) chemistry. The plant's primary fuel is listed as MWH. In its most recent year of operation, the plant generated 3,632 MWh, resulting in a capacity factor of 5.9%. The plant ranks 4th out of 5 similar facilities in Arkansas and 916th nationally out of 1205. The facility consists of 3 generators.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
12.47 kV
Regulatory Status
RE — Regulated
Entity Type
Cooperative
Sector
Industrial Non-CHP
156 MWh
Net Discharge
3.6K MWh
Annual Net Energy
5.9%
Capacity Factor
Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.
Data from 2021–2024
$24.5/MWh
Energy Value
$2.8/MWh
Capacity Value
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
ARKANSAS.HUB
Node Source
OSM spatial match
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