Sleeping Bear

A 94 MW onshore wind project in Harper County, Oklahoma. Sleeping Bear is built and in service. Public records name NRG Energy Gas & Wind Holdings Inc as its developer. No public record read so far names its builder.

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The record

What the public record says about Sleeping Bear, as of 23 Oct 2026.

Stage	Operating
Construction start	In service since 2007
Size	94 MW
Location	Harper County, Oklahoma (to about 10 km)
Developer	NRG Energy Gas & Wind Holdings 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 in Harper County

Project	Stage	Size
Centennial Wind FarmOnshore wind	Operating	120 MW
Buffalo BearOnshore wind	Operating	19 MW

Onshore wind in Oklahoma Every industry in Oklahoma How to tell a project is about to break ground

Questions

Sleeping Bear, in short.

Where is Sleeping Bear?

Sleeping Bear is a 94 MW onshore wind project in Harper County, Oklahoma. The public page places it to within about ten kilometres; the precise location is in the subscriber record.

When does construction start on Sleeping Bear?

Sleeping Bear is built and in service since 2007.

Who is developing Sleeping Bear?

NRG Energy Gas & Wind Holdings Inc, as the public record names it.

Who is building Sleeping Bear?

No public record read so far names a builder for Sleeping Bear. Groundtrace leaves the field empty rather than guess, and fills it when a permit, a filing or the builder's own page names one.