FieldProspects

Elmore County, Idaho

Elmore County, Idaho has 27 power projects in the FieldProspects database: 25 operating plants totaling 927.6 MW and 2 planned projects totaling 200 MW. No data center record lists the county. Natural Gas leads with 443.7 MW across 4 projects.

Data as of Grid region: Idaho PowerRefreshed monthly
27
power projects, planned and operating
200MW
planned generation, 2 projects
927.6MW
operating generation, 25 projects
0
planned projects past their listed in-service date
Map

Elmore County and its neighbors

Counties shaded by data center MW on record, planned to operating. 5 of its 8 neighboring counties have pages of their own. The rest are in the member database.

Custer Blaine no data centers Gooding no data centers Boise Elmore no data centers Camas Twin Falls no data centers Owyhee no data centers Ada 277.6 MW
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
22%

of the county's operating generation is in the queue as new capacity: 200 MW planned across 2 projects against 927.6 MW operating.

Operating generation927.6 MW
Planned generation200 MW

Technology mix

27 projects, 1.1 GW planned and operating

Natural Gas443.7 MW4 projects, 39%
Solar260 MW6 projects, 23%
Wind224.9 MW10 projects, 20%
2 other technologies199 MW7 projects, 18%
Which companies own these 27 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

25 plants operate inside Elmore County, 927.6 MW. The queue adds 200 MW across 2 projects.

Figure 1

Operating and planned generation by technology

MW in Elmore County

OperatingPlanned
Natural GasOperating 443.7 MW 4 projects
SolarOperating 160 MW 5 projects
SolarPlanned 100 MW 1 project
WindOperating 224.9 MW 10 projects
Battery StorageOperating 44 MW 2 projects
Battery StoragePlanned 100 MW 1 project
HydroOperating 55 MW 4 projects
View as table
TechnologyStatusProjectsMW
Natural GasOperating4443.7
SolarOperating5160
SolarPlanned1100
WindOperating10224.9
Battery StorageOperating244
Battery StoragePlanned1100
HydroOperating455
Operating: 927.6 MW. Planned: 200 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
050100150200 200 2027
View as table
YearPlanned projectsMW
20272200
No planned project is past its listed year

Elmore County against its neighbors

Ada County has the most data center MW among the neighbors, 277.6 MW. 5 of the 5 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Ada County 5
278
828
400 0.34x
Elmore County this page 0
0
928
200 0x
Twin Falls County 0
0
598
0 0x
Owyhee County 0
0
269
0 0x
Gooding County 0
0
188
0 0x
Blaine County 0
0
12
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

Every record in Elmore County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 27 records. Filter, sort and export to Excel.

Members only
County: Elmore County, IDStatus: all except cancelledSort: MW, largest first 27 records
Project or campusDeveloperStatusMWYearContacts
27 records and 1.1 GW behind this preview

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