Diamond Spring

A 304 MW onshore wind project in Johnston County, Oklahoma. Diamond Spring is built and in service. Public records name ALLETE Clean Energy as its developer. No public record read so far names its builder.

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The record

What the public record says about Diamond Spring, as of 23 Oct 2026.

Stage	Operating
Construction start	In service since 2020
Size	304 MW
Location	Johnston County, Oklahoma (to about 10 km)
Developer	ALLETE Clean Energy
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.

1 Nov 2019Entered the public record for the first time.

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

Also developed by ALLETE Clean Energy

Project	Stage	Size
Caddo WindOnshore wind · Caddo County, Oklahoma	Operating	303 MW

Every ALLETE Clean Energy project

Also in Johnston County

Project	Stage	Size
Unnamed 258 MW wind projectOnshore wind	Financed	258 MW
Unnamed 200 MW solar projectUtility solar	Financed	200 MW
Unnamed 200 MW solar projectUtility solar	Financed	200 MW
Unnamed 200 MW storage projectBattery storage	Financed	200 MW
Unnamed 100 MW storage projectBattery storage	Financed	100 MW
Unnamed 350 MW solar projectUtility solar	Queued	350 MW

Every project in Johnston County

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

Questions

Diamond Spring, in short.

Where is Diamond Spring?

Diamond Spring is a 304 MW onshore wind project in Johnston 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 Diamond Spring?

Diamond Spring is built and in service since 2020.

Who is developing Diamond Spring?

ALLETE Clean Energy, as the public record names it.

Who is building Diamond Spring?

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