Washington Parish, Louisiana

4 utility solar and 1 battery storage projects are in development in Washington Parish, 0 of them under construction, with 2 more already operating. The solar and battery storage projects in development add up to 650 MW. Who is building each one, and who to call, is in the app.

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5in development

1pre-construction

0under construction

2operating

3 queued1 financed1 pre-construction

By industry

What is in development in Washington Parish, and each industry’s page for Louisiana.

Utility solar4 in development · 0 under construction · 2 operating · 550 MW in development

Battery storage1 in development · 0 under construction · 0 operating · 100 MW in development

Next to break ground

Projects here among the ones in Louisiana most likely to start work next.

Unnamed 200 MW solar projectWashington Parish
Pre-construction · 200 MW · start Jun 2026, permit on file
Builder: not yet named

Unnamed 100 MW storage projectWashington Parish
Queued · 100 MW · est. 2026 Q4
Builder: not yet named

In development

Every project in development in Washington Parish.

Nearest to work first: under construction, then pre-construction, financed, permitted and queued. A project on a county line is listed in each county.

Project	Stage	Size
Unnamed 200 MW solar projectUtility solar	Pre-construction	200 MW
Unnamed 100 MW solar projectUtility solar	Financed	100 MW
Unnamed 150 MW solar projectUtility solar	Queued	150 MW
Unnamed 100 MW solar projectUtility solar	Queued	100 MW
Unnamed 100 MW storage projectBattery storage	Queued	100 MW

Builders, developers, construction starts and the people to call, for every project here.

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2 operating projects in Washington Parish

Iris SolarUtility solar · 50 MW
MISO queue J1361Utility solar · 50 MW

Nearby in Louisiana

St. James Parish 6 Acadia Parish 7 Jefferson Davis Parish 6 Morehouse Parish 8 Ouachita Parish 7 Beauregard Parish 5

Also in Louisiana

Every industry in Louisiana Utility solar in Louisiana Data centers in Louisiana Battery storage in Louisiana

Questions

Washington Parish, in short.

How many projects are in development in Washington Parish, Louisiana?

4 utility solar and 1 battery storage projects are in development in Washington Parish, 0 of them under construction, with 2 more already operating.

Which projects in Washington Parish, Louisiana are furthest along?

Unnamed 200 MW solar project (pre-construction), Unnamed 100 MW solar project (financed) and Unnamed 150 MW solar project (queued). No project in Washington Parish is under construction yet.

Where does the Washington Parish data come from?

From the public records read daily for Louisiana: grid interconnection queues, construction permits, county records, state siting and procurement filings, and satellite imagery. Locations are shown to a tenth of a degree; builders, developers, construction starts and work contacts are in the subscriber record.