Earp Solar, LLC — Plant Summary
- EIA Plant ID
- 66631
- Capacity
- 35 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Warren, IL
- Operating Since
- 2024
- Generators
- 1
- Operator
- Birch Creek Power, LLC
- Parent Company
- —
- Annual Generation
- 75,849 MWh
- Capacity Factor
- 24.7%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- SERC
Earp Solar, LLC
OperatingSolar
Ranked #32 of 325 Solar plants in IL#1449 of 7447 nationally
35 MW Solar operating in Warren, IL — Midcontinent Independent Transmission System Operator, Inc..
EIAGEM
35 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2024
Operating Since
Location
Coordinates
40.8918, -90.6688
County
Warren, IL
Nearby Plants
- Illinois PV Knox 3ASolar2 MW · 22.9 km
- Illinois PV Knox 3BSolar2 MW · 22.9 km
- Galesburg Solar ArraySolar1.4 MW · 23.7 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 | Birch Creek Power, LLC | Birch Creek Development | — |
| Owner(s) | Birch Creek Power, LLC | Birch Creek Development | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Birch Creek Development
This entity is not yet in the GEM ownership database — chain unavailable.
About
Earp Solar, LLC is a 35 MW solar photovoltaic power plant located in Warren County, Illinois. The plant began operating in 2024 and is owned and operated by Birch Creek Power, LLC. It consists of a single generator utilizing single-axis tracking technology. Earp Solar is connected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority.
In its most recent year of operation, Earp Solar generated 75,849 MWh of electricity, achieving a capacity factor of 24.7%. The plant has a power purchase agreement (PPA) price of $48.63 per MWh, according to data from Lawrence Berkeley National Laboratory (LBNL). Earp Solar ranks as the 29th largest solar plant in Illinois out of 320, and 1250th nationally out of 7108.
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
69 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
2.7K MWh
Latest Month
75.8K MWh
Annual Generation
24.7%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$56.4/MWh
LCOE (Levelized Cost)
$48.6/MWh
PPA Price
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
ILLINOIS.HUB
Node Source
OSM spatial match
Ameren IllinoisSubstation
News & Articles (4)Beta
Deals·project finance
Birch Creek Completes Altona Solar Financing
PRNewswire/ -- Birch Creek Energy, LLC ("Birch Creek"), a St. Louis based renewable energy company, announced the completion of financing...
Birch Creek Energy (developer)
PR Newswire·1 years ago
Deals·project finance
Birch Creek Energy Completes Financing for 49MW Earp Solar
PRNewswire-PRWeb/ -- Birch Creek Energy, LLC ("Birch Creek"), a St. Louis based renewable energy company, announced the completion of...
Birch Creek Energy (developer)
PR Newswire·1 years ago
General
Birch Creek Development Secures $250 Million Loan Facility from Fundamental Renewables
Financing Supports Birch Creek's Growth Ambitions to Scale Solar Development and Greenfield Projects Nationwide. LOS ANGELES, July 5,...
PR Newswire·3 years ago
General
Solar Developer Birch Creek Scales Up to Accelerate Future Growth
PRNewswire/ -- Birch Creek Development, LLC ("Birch Creek") is pleased to announce a significant investment in its leadership team as it...
PR Newswire·4 years ago
Last updated 2026-03-26
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