Wever Solar (150MW)
Solar and battery storage project in Lee County, Iowa. 249 MW of nameplate capacity across 2 generators, operated by Interstate Power and Light Co.
Also known as Wever Solar · EIA plant 67538
This project groups Wever Solar (150MW) (EIA 67538). EIA reports them as separate plants.
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 249 MWSolar 150.0 · Battery storage 99.0
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- November 2024First generator online
- Operator
- Interstate Power and Light CoEIA operator ID 9417
- Grid
- MISOBalancing authority MISO
- Price nodes
- 2 MISO nodesResource nodes with prices
- Location
- Lee County, IA40.7346, −91.2768
- EIA plant ID
- 67538EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Wever Solar (150MW) produces
Free · EIA-923Net generation, 2025
260 GWh
260,475 MWh, final
Capacity factor, 2025
19.8%
2024: 6.7%
January to July 2026
187 GWh
Provisional. 6 of 7 months reported
| 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 | 17,058 | 6.7% | 2 of 12 |
| 2025 | 260,475 | 19.8% | 12 of 12 |
| 2026 (provisional, partial year) | 187,039 | Not reported | 6 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 |
|---|---|---|---|
| BESS1 | Batteries | 99.0 | February 2026 |
| PV1 | Solar Photovoltaic | 150.0 | November 2024 |
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 Interstate Power and Light Co 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 Wever Solar (150MW)
More plants operated by Interstate Power and Light Co
Questions about Wever Solar (150MW)
How much power does Wever Solar (150MW) produce?
Wever Solar (150MW) reported 260,475 MWh (260 GWh) of net generation in 2025, a 19.8% capacity factor on 249 MW of nameplate capacity. From January to July 2026 it reported 187 GWh, which is provisional.
Where is Wever Solar (150MW)?
Wever Solar (150MW) is in Lee County, Iowa, at 40.7346, −91.2768. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Wever Solar (150MW)?
EIA-860M for August 2026 lists Interstate Power and Light Co as the operator (EIA operator ID 9417). The operator is not always the owner.
Is Wever Solar (150MW) a solar or a battery storage plant?
Both. Solar capacity totals 150 MW and battery storage capacity totals 99 MW.
When did Wever Solar (150MW) start operating?
Its first generator began operating in November 2024, according to EIA-860M.
Does InfraMap have power prices for Wever Solar (150MW)?
Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to Wever Solar (150MW), 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page