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50 MW Solar operating in Mason, IL — Midcontinent Independent Transmission System Operator, Inc..
50 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Coordinates
40.1827, -89.7203
County
Mason, 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 | Birch Creek Power, LLC | Birch Creek Development | — |
| Owner(s) | Birch Creek Power, LLC | Birch Creek Development | — |
| Status | Operating | operating | — |
GEM identifies the owner as Birch Creek Development
This entity is not yet in the GEM ownership database — chain unavailable.
Salt Creek Township Solar, LLC is a 50 MW solar photovoltaic power plant located in Mason County, Illinois. The plant, owned and operated by Birch Creek Power, LLC, commenced operations in 2025. It utilizes a single generator and fixed-tilt solar tracking technology. The plant's primary fuel source is solar energy.
The facility operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the SERC NERC region. In its latest year of operation, Salt Creek Township Solar generated 104,195 MWh of electricity, achieving a capacity factor of 23.8%. The plant ranks as the 26th largest solar facility in Illinois out of 320, and nationally it is ranked 1176 out of 7108.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
3.9K MWh
Latest Month
104.2K MWh
Annual Generation
23.8%
Capacity Factor
2023
$1,606/kW
Est. Construction Cost
Total estimated cost: $80.3M
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
ILLINOIS.HUB
Node Source
OSM spatial match
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ask pi about Salt Creek Township Solar, LLCMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP