450 MW Solar planned in St Francis, AR — Midcontinent Independent Transmission System Operator, Inc..
450 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
Planned: —
Planned Operation
Coordinates
35.0516, -90.4325
County
St Francis, AR
Nearby Plants
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 | Chalk Bluff Solar Energy LLC | Invenergy LLC | — |
| Owner(s) | Chalk Bluff Solar Energy LLC | Invenergy LLC | — |
| Status | Planned | pre-construction | — |
Chalk Bluff Solar is a 450 MW solar photovoltaic power plant located in St. Francis County, Arkansas. The plant, owned and operated by Chalk Bluff Solar Energy LLC, utilizes fixed-tilt solar tracking technology. It is the largest solar plant in Arkansas out of 16, and ranks 28th nationally among 639 solar facilities. The plant has one generator.
The facility operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC Reliability Corporation (SERC) NERC region. The plant's primary fuel source is solar energy (SUN).
Generated from EIA, GEM, and public data sources
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
500 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Hughes Substation · 161 kV
Substation Distance
< 10 km
Operator
Entergy Arkansas
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
ARKANSAS.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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