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1200 MW Solar planned in Lee, IL — PJM Interconnection, LLC
1,200 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
Planned: —
Planned Operation
Coordinates
41.8143, -88.9899
County
Lee, IL
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 | Steward Creek Solar, LLC | Hexagon Energy | — |
| Owner(s) | Steward Creek Solar, LLC | Hexagon Energy | — |
| Status | Planned | announced | — |
GEM identifies the owner as Hexagon Energy
This entity is not yet in the GEM ownership database — chain unavailable.
Steward Creek Solar Phase 1 is a 1,200 MW solar photovoltaic power plant located in Lee County, Illinois. It is owned and operated by Steward Creek Solar, LLC. The plant is the largest solar facility in Illinois out of 19, and the second-largest in the United States out of 639. The facility utilizes fixed-tilt solar tracking technology.
The plant's output is delivered to the grid managed by PJM Interconnection, LLC, a regional transmission organization (RTO) and balancing authority. The plant resides within the RFC NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
No generation data available for this plant.
2023
$1,606/kW
Est. Construction Cost
Total estimated cost: $1.9B
Market Position
ISO/RTO Market
PJM
LMP Node
186 STEW138 KV BTM
Pricing Hub
N ILLINOIS HUB
Location Type
Load Node
Node Source
Curated node match
Last updated 2026-04-09
View all 9 articlesPJM Interconnection, LLC (PJM)
Grid Voltage
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP