FieldProspects

Dewey County, Oklahoma

Dewey County, Oklahoma has 7 power projects in the FieldProspects database: 5 operating plants totaling 881.2 MW and 2 planned projects totaling 251.2 MW. No data center record lists the county. Wind leads with 881.2 MW across 5 projects. No planned project is past its listed in-service date.

Data as of Grid region: Southwest Power Pool (SPP)Refreshed monthly
7
power projects, planned and operating
251.2MW
planned generation, 2 projects
881.2MW
operating generation, 5 wind projects
0
planned projects past their listed in-service date
Map

Dewey County and its neighbors

Counties shaded by data center MW on record, planned to operating. 4 of its 6 neighboring counties have pages of their own. The rest are in the member database.

Blaine Custer no data centers Woodward no data centers Ellis no data centers Dewey no data centers Roger Mills no data centers Major
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
29%

of the county's operating generation is in the queue as new capacity: 251.2 MW planned across 2 projects against 881.2 MW operating.

Operating generation881.2 MW
Planned generation251.2 MW

Technology mix

7 projects, 1.1 GW planned and operating

Wind881.2 MW5 projects, 78%
Battery Storage251.2 MW2 projects, 22%
Which companies own these 7 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

5 plants operate inside Dewey County, 881.2 MW of wind. The queue adds 251.2 MW across 2 projects.

Figure 1

Operating and planned generation by technology

MW in Dewey County

OperatingPlanned
WindOperating 881.2 MW 5 projects
Battery StoragePlanned 251.2 MW 2 projects
View as table
TechnologyStatusProjectsMW
WindOperating5881.2
Battery StoragePlanned2251.2
Operating: 881.2 MW. Planned: 251.2 MW. If every planned project is built, county generation would reach 1.1 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
050100150 150 2027 2028 101 2029
View as table
YearPlanned projectsMW
20271150
202800
20291101.2
No planned project is past its listed year

Dewey County against its neighbors

None of the 4 neighboring counties with a page lists a data center record. Custer County has the most operating generation among them, 1.1 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Custer County 0
0
1,146
120 0x
Woodward County 0
0
1,047
713 0x
Dewey County this page 0
0
881
251 0x
Ellis County 0
0
475
166 0x
Roger Mills County 0
0
453
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.

5 counties shown

What changed since June 4, 2026

2 projects in Dewey County 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, 251.2 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 Dewey County

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

Members only
County: Dewey County, OKSince 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 Dewey County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 7 records. Filter, sort and export to Excel.

Members only
County: Dewey County, OKStatus: all except cancelledSort: MW, largest first 7 records
Project or campusDeveloperStatusMWYearContacts
7 records and 1.1 GW behind this preview

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