FieldProspects

Washington Parish, Louisiana

Washington Parish, Louisiana has 14 power projects in the FieldProspects database: 7 operating plants totaling 599.1 MW and 7 planned projects totaling 850 MW. No data center record lists the county. Solar leads with 850 MW across 8 projects. 3 planned projects are past their listed in-service date.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
14
power projects, planned and operating
850MW
planned generation, 7 projects
599.1MW
operating generation, 7 projects
3
planned projects past their listed in-service date
Map

Washington Parish and its neighbors

Counties shaded by data center MW on record, planned to operating. 1 of its 2 neighboring counties have pages of their own. The rest are in the member database.

Tangipahoa no data centers Washington no data centers St. Tammany
no data center MWunder 100 MW100 to 1,000 MW1,000 to 5,000 MW5,000 to 15,000 MW15,000 MW or more no page yet

Data center records planned, under construction and operating, data as of October 8, 2026.Hover a county for its numbers

Headline finding
1.4times

more planned than operating generation in Washington Parish. 7 projects in the queue would add 850 MW to the 599.1 MW operating today, and 3 of them are past their listed in-service date.

Operating generation599.1 MW
Planned generation850 MW

Technology mix

14 projects, 1.4 GW planned and operating

Solar850 MW8 projects, 59%
Natural Gas399.6 MW2 projects, 28%
Battery Storage100 MW1 project, 7%
One other technology99.5 MW3 projects, 7%
Which companies own these 14 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

7 plants operate inside Washington Parish, 599.1 MW. The queue adds 850 MW across 7 projects, and 3 of them are past their listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Washington Parish

OperatingPlanned
SolarOperating 100 MW 2 projects
SolarPlanned 750 MW 6 projects
Natural GasOperating 399.6 MW 2 projects
Battery StoragePlanned 100 MW 1 project
BiomassOperating 99.5 MW 3 projects
View as table
TechnologyStatusProjectsMW
SolarOperating2100
SolarPlanned6750
Natural GasOperating2399.6
Battery StoragePlanned1100
BiomassOperating399.5
Operating: 599.1 MW. Planned: 850 MW. If every planned project is built, county generation would reach 1.4 GW.
Source. FieldProspects database: ISO/RTO interconnection queues, EIA-860M and public data center filings, data as of October 8, 2026.
Figure 2

Planned generation by listed in-service year

MW. Years before 2026 are past due.

Past dueDue 2026 or later
0100200300 Snapshot year 50 2021 2022 2023 50 2024 100 2025 200 2026 250 2027 200 2028
View as table
YearPlanned projectsMW
2021150
202200
202300
2024150
20251100
20261200
20272250
20281200
3 projects, 200 MW, were due before 2026

Washington Parish against its neighbors

None of the 1 neighboring county with a page lists a data center record. Tangipahoa Parish has the most operating generation among them, 100 MW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Washington Parish this page 0
0
599
850 0x
Tangipahoa Parish 0
0
100
620 0x

Data center MW counts records planned, under construction and operating. Generation is inside the county only. Neighbors without a page have fewer than three projects on record.

2 counties shown

What changed since June 4, 2026

2 projects in Washington Parish moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
2
added to a queue, 300 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
0
cancelled, dropped or went inactive, 0 MW
0
slipped their in-service date, 0 MW

Every change in Washington Parish

Project, what changed, technology, MW and the dates that moved, for all 2 changes.

Members only
County: Washington Parish, LASince June 4, 2026 2 changes
ProjectChangeTechnologyMWPrevious dateNew date
2 changes behind this preview

Rows are hidden on public pages. Members see the project behind each change, its developer and the dates that moved.

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Every record in Washington Parish

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 14 records. Filter, sort and export to Excel.

Members only
County: Washington Parish, LAStatus: all except cancelledSort: MW, largest first 14 records
Project or campusDeveloperStatusMWYearContacts
14 records and 1.4 GW behind this preview

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