All industries › Utility solar › Wisconsin › Darien Solar
Utility solar · Rock County, Wisconsin
Darien Solar
A 250 MW utility solar project in Rock County, Wisconsin. Darien Solar is built and in service. Public records name Wisconsin Electric Power Co as its developer. No public record read so far names its builder.
The record
What the public record says about Darien Solar, as of 23 Oct 2026.
| Stage | Operating |
|---|---|
| Construction start | In service since 2025 |
| Size | 250 MW |
| Location | Rock County, Wisconsin (to about 10 km) |
| Developer | Wisconsin Electric Power Co |
| Grid operator | — |
| Builder (EPC) | Not named yet |
| Trade subcontractors | in the app |
| People to call | in the app |
| Phase windows | in the app |
Every fact in the app links to the public record behind it, with how many records agree and whether it is confirmed, reported or an estimate. What the terms mean.
What happened
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- Entered the public record for the first time.
Who was named on it, and when, is in the app.
Also developed by Wisconsin Electric Power Co
| Project | Stage | Size |
|---|---|---|
| Paris SolarUtility solar · Racine County, Wisconsin | Operating | 200 MW |
| Badger Hollow IIUtility solar · Iowa County, Wisconsin | Operating | 150 MW |
| Bonduel Solar WIUtility solar · Shawano County, Wisconsin | Operating | 8 MW |
| Jackson Solar WIUtility solar · Ozaukee County, Wisconsin | Operating | 8 MW |
| Silver Lake Solar WIUtility solar · Kenosha County, Wisconsin | Operating | 8 MW |
| Spring Prairie Solar WIUtility solar · Walworth County, Wisconsin | Operating | 8 MW |
Also in Rock County
| Project | Stage | Size |
|---|---|---|
| Unnamed 200 MW solar projectUtility solar | Under construction | 200 MW |
| Unnamed 99 MW solar projectUtility solar | Financed | 99 MW |
| Unnamed 100 MW storage projectBattery storage | Queued | 100 MW |
| Unnamed 72 MW solar projectUtility solar | Queued | 72 MW |
| Paddock SolarUtility solar | Operating | 65 MW |
| Albany Solar (WI)Utility solar | Operating | 50 MW |
More
Questions
Darien Solar, in short.
Where is Darien Solar?
Darien Solar is a 250 MW utility solar project in Rock County, Wisconsin. The public page places it to within about ten kilometres; the precise location is in the subscriber record.
When does construction start on Darien Solar?
Darien Solar is built and in service since 2025.
Who is developing Darien Solar?
Wisconsin Electric Power Co, as the public record names it.
Who is building Darien Solar?
No public record read so far names a builder for Darien Solar. Groundtrace leaves the field empty rather than guess, and fills it when a permit, a filing or the builder's own page names one.
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