FieldProspects

Ellis County, Oklahoma

Ellis County, Oklahoma has 3 power projects in the FieldProspects database: 2 operating plants totaling 475 MW and 1 planned project totaling 165.6 MW. No data center record lists the county. Wind leads with 640.6 MW across 3 projects. No planned project is past its listed in-service date.

Data as of Grid region: Southwest Power Pool (SPP)Refreshed monthly
3
power projects, planned and operating
165.6MW
planned generation, 1 project
475MW
operating generation, 2 wind projects
0
planned projects past their listed in-service date
Map

Ellis County and its neighbors

Counties shaded by data center MW on record, planned to operating. 5 of its 5 neighboring counties have pages of their own. The rest are in the member database.

Woodward no data centers Ellis no data centers Dewey no data centers Roger Mills no data centers Harper no data centers Beaver no data centers
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
35%

of the county's operating generation is in the queue as new capacity: 165.6 MW planned across 1 project against 475 MW operating.

Operating generation475 MW
Planned generation165.6 MW

Technology mix

3 projects, 640.6 MW planned and operating

Wind640.6 MW3 projects, 100%
Which companies own these 3 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

2 plants operate inside Ellis County, 475 MW of wind. The queue adds 165.6 MW across 1 project.

Figure 1

Operating and planned generation by technology

MW in Ellis County

OperatingPlanned
WindOperating 475 MW 2 projects
WindPlanned 165.6 MW 1 project
View as table
TechnologyStatusProjectsMW
WindOperating2475
WindPlanned1165.6
Operating: 475 MW. Planned: 165.6 MW. If every planned project is built, county generation would reach 640.6 MW.
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
050100150200 166 2029
View as table
YearPlanned projectsMW
20291165.6
No planned project is past its listed year

Ellis County against its neighbors

None of the 5 neighboring counties with a page lists a data center record. Woodward County has the most operating generation among them, 1 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Woodward County 0
0
1,047
713 0x
Dewey County 0
0
881
251 0x
Beaver County 0
0
798
350 0x
Ellis County this page 0
0
475
166 0x
Roger Mills County 0
0
453
0 0x
Harper County 0
0
237
0 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.

6 counties shown

What changed since June 4, 2026

1 project in Ellis County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
0
added to a queue, 0 MW
0
came online, started construction or signed an interconnection agreement, 0 MW
0
cancelled, dropped or went inactive, 0 MW
1
slipped its in-service date, 165.6 MW

Every change in Ellis County

Project, what changed, technology, MW and the dates that moved, for all 1 change.

Members only
County: Ellis County, OKSince June 4, 2026 1 change
ProjectChangeTechnologyMWPrevious dateNew date
1 change 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 Ellis County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 3 records. Filter, sort and export to Excel.

Members only
County: Ellis County, OKStatus: all except cancelledSort: MW, largest first 3 records
Project or campusDeveloperStatusMWYearContacts
3 records and 640.6 MW behind this preview

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