Tilden Solar
Solar power plant in Randolph County, Illinois. 150 MW of nameplate capacity across 1 generator, operated by Sol Systems.
Also known as EIA plant 69164
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 150 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- November 2025First generator online
- Operator
- Sol SystemsEIA operator ID 61677
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Randolph County, IL38.1907, −89.6841
- EIA plant ID
- 69164EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Tilden Solar produces
Free · EIA-923Net generation, 2025
25.9 GWh
25,874 MWh, final. 2 of 12 months reported
Capacity factor, 2025
Not reported
2024: Not reported
January to July 2026
202 GWh
Provisional
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | Not reported | Not reported | 0 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | Not reported | Not reported | 0 of 12 |
| 2024 | Not reported | Not reported | 0 of 12 |
| 2025 | 25,874 | Not reported | 2 of 12 |
| 2026 (provisional, partial year) | 202,222 | 26.5% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · MISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| TILDN | Solar Photovoltaic | 150.0 | November 2025 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Sol Systems as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Tilden Solar
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Questions about Tilden Solar
How much power does Tilden Solar produce?
Tilden Solar reported 25,874 MWh (25.9 GWh) of net generation in 2025. From January to July 2026 it reported 202 GWh, which is provisional. 2 of 12 months were reported for 2025.
Where is Tilden Solar?
Tilden Solar is in Randolph County, Illinois, at 38.1907, −89.6841. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Tilden Solar?
EIA-860M for August 2026 lists Sol Systems as the operator (EIA operator ID 61677). The operator is not always the owner.
When did Tilden Solar start operating?
Its first generator began operating in November 2025, according to EIA-860M.
Does InfraMap have power prices for Tilden Solar?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Tilden Solar, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page