All industries › Utility solar › Illinois › Princeton Solar

Utility solar illustration Utility solar · Bureau County, Illinois

Princeton Solar

A 1 MW utility solar project in Bureau County, Illinois. Princeton Solar is built and in service. Public records name Altorfer Inc. as its developer. No public record read so far names its builder.

The record

What the public record says about Princeton Solar, as of 25 Oct 2026.

StageOperating
Construction startIn service since 2025
Size1 MW
LocationBureau County, Illinois (to about 10 km)
DeveloperAltorfer Inc.
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

Each change dated by the scene or the document, newest first.

No change on record since Groundtrace started tracking it.

Who was named on it, and when, is in the app.

Also developed by Altorfer Inc.

ProjectStageSize
Rantoul SolarUtility solar · Champaign County, IllinoisOperating2 MW
Marshall Solar (IL)Utility solar · Clark County, IllinoisOperating1 MW

Every Altorfer Inc. project

Also in Bureau County

ProjectStageSize
Cherry Solar 1Utility solarUnder construction5 MW
South Cherry Solar 1Utility solarUnder construction5 MW
DePue HoldingsUtility solarOperating20 MW
Bureau Solar 1Utility solarOperating5 MW
Geranium SolarUtility solarOperating5 MW
Ohio SolarUtility solarOperating5 MW

More

Questions

Princeton Solar, in short.

Where is Princeton Solar?

Princeton Solar is a 1 MW utility solar project in Bureau County, Illinois. The public page places it to within about ten kilometres; the precise location is in the subscriber record.

When does construction start on Princeton Solar?

Princeton Solar is built and in service since 2025.

Who is developing Princeton Solar?

Altorfer Inc., as the public record names it.

Who is building Princeton Solar?

No public record read so far names a builder for Princeton 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.

Pricing

Free to explore. Subscribe for the full record.

Usage-based, no seats, cancel any time. Pay for what your team and your assistant actually use.

Explore

Free

  • The map, by state and industry
  • The next projects to break ground, per state
  • A page per project, developer and grid operator
  • The glossary and guides
Browse coverage

Team

From $1,500 per month2,000 records included, then $0.25 per record. Month to month.

  • Every project in development, with timelines
  • Builders, developers and trade subcontractors
  • Work contacts
  • App, API and MCP server
Request access

Enterprise

Custom

  • Everything in Team
  • Watchlists and alerts
  • New states and industries on request
  • Dedicated support
Request access

Request access

Tell us what you sell. We answer within a working day.

Write to hello@groundtrace.io with your name, your company and what you sell, and we set up your access.