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Utility solar illustration Utility solar · Defiance County, Ohio

Mark Center Solar Project

A 110 MW utility solar project in Defiance County, Ohio. Mark Center Solar Project has work under way on site. Public records name Naturgy Solar Operation USA LLC as its developer. No public record read so far names its builder.

The record

What the public record says about Mark Center Solar Project, as of 22 Oct 2026.

StageUnder construction
Construction startQ2 2025 estimate
Size110 MW
LocationDefiance County, Ohio (to about 10 km)
DeveloperNaturgy Solar Operation USA LLC
Grid operatorPJM
Builder (EPC)Not named yet
Trade subcontractors in the app
People to call in the app
Phase windows in the app

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What happened

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No change on record since Groundtrace started tracking it.

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

Also in Defiance County

ProjectStageSize
MinkUtility solarPermitted140 MW
Unnamed 140 MW solar projectUtility solarQueued140 MW

More

Questions

Mark Center Solar Project, in short.

Where is Mark Center Solar Project?

Mark Center Solar Project is a 110 MW utility solar project in Defiance County, Ohio, in PJM's interconnection queue. The public page places it to within about ten kilometres; the precise location is in the subscriber record.

When does construction start on Mark Center Solar Project?

Groundtrace estimates construction started in the second quarter of 2025. This is an estimate from the project's filings, not a date any record states; the exact date and the record behind it are in the subscriber record.

Who is developing Mark Center Solar Project?

Naturgy Solar Operation USA LLC, as the public record names it.

Who is building Mark Center Solar Project?

No public record read so far names a builder for Mark Center Solar Project. 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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