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70 MW Conventional Hydroelectric (40 MW) + Hydroelectric Pumped Storage (30 MW) operating in Clark, AR
70 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Conventional Hydroelectric + Hydroelectric Pumped Storage
1972
Operating Since
Coordinates
34.2119, -93.1110
County
Clark, AR
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
See the full risk decomposition + scenarios for this asset.
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | USCE -Vickburg District | US Army Corps of Engineers - Vicksburg District | — |
| Owner(s) | USCE -Vickburg District | US Army Corps of Engineers - Vicksburg District | — |
| Status | Operating | operating | — |
GEM identifies the owner as US Army Corps of Engineers - Vicksburg District
This entity is not yet in the GEM ownership database — chain unavailable.
The Degray power plant is a 70 MW hybrid hydroelectric facility located in Clark County, Arkansas. It began operating in 1972 and is owned and operated by the USCE -Vickburg District. The plant utilizes two generators and employs both conventional hydroelectric and pumped storage technologies, using water (WAT) as its primary fuel source. Degray is connected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and resides within the SERC NERC region.
In the most recent year with available data, Degray generated 210,786 MWh of electricity, achieving a capacity factor of 33.0%. The plant is ranked as the 9th largest power plant out of 19 in Arkansas, and nationally it holds a rank of 252 out of 1464 facilities.
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
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Federal
Sector
Electric Utility
Historic generation and capacity factor for this asset — the foundation for forward forecasts on the InfraSure platform.
2.9K MWh
Net Discharge
210.8K MWh
Annual Net Energy
33.0%
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.
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $160.6M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
MISO
LMP Node
EAI.CC.DEGRAY
Pricing Hub
ARKANSAS.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
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