Long Lake Solar, LLC — Plant Summary
- EIA Plant ID
- 66649
- Capacity
- 200 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Phillips, AR
- Operating Since
- 2025
- Generators
- 1
- Operator
- Long Lake Solar, LLC
- Parent Company
- —
- Annual Generation
- 371,365 MWh
- Capacity Factor
- 28.1%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- SERC
Long Lake Solar, LLC
OperatingSolar
Ranked #4 of 78 Solar plants in AR#379 of 7447 nationally
200 MW Solar operating in Phillips, AR — Midcontinent Independent Transmission System Operator, Inc..
EIAGEM
200 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Location
Coordinates
34.4686, -90.6151
County
Phillips, AR
Nearby Plants
- SR West HelenaSolar4.8 MW · 11.3 km
- Delta Wind Farm (MS)Wind184.5 MW · 20.4 km
Ownership & Operator
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 | Long Lake Solar, LLC | DE Shaw Renewable Investments (DESRI) | — |
| Owner(s) | Long Lake Solar, LLC | DE Shaw Renewable Investments (DESRI) [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as DE Shaw Renewable Investments (DESRI) [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Long Lake Solar, LLC is a 200 MW solar photovoltaic power plant located in Phillips County, Arkansas. The plant, owned and operated by Long Lake Solar, LLC, commenced operations in 2025. It consists of a single generator utilizing fixed-tilt solar tracking technology. The plant's primary fuel source is solar energy (SUN).
In its latest year of operation, Long Lake Solar generated 371,365 MWh of electricity, achieving a capacity factor of 28.1%. The plant is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority, within the SERC NERC region. Long Lake Solar is ranked as the 4th largest solar plant out of 16 in Arkansas, and 224th nationally out of 639 solar plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
19.4K MWh
Latest Month
371.4K MWh
Annual Generation
28.1%
Capacity Factor
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
EES.RICHD1.ARR
Pricing Hub
ARKANSAS.HUB
Location Type
Trading Hub
Node Source
Curated node match
News & Articles (1)Beta
Regulatory·federal policy
Solar is 77.7% of new capacity added to U.S. grid in 2025
Solar reached 11% of U.S. electric generation capacity, said data through April from the Federal Energy Regulatory Commission.
Federal Energy Regulatory Commission (regulator)
pv magazine USA·8 months ago
Last updated 2026-03-26
View all articles