FieldProspects

Jefferson County, Ohio

Jefferson County, Ohio has 6 power projects in the FieldProspects database: 3 operating plants totaling 1.9 GW and 3 planned projects totaling 63 MW. No data center record lists the county. Coal leads with 1.9 GW across 3 projects. No planned project is past its listed in-service date.

Data as of Grid region: PJM InterconnectionRefreshed monthly
6
power projects, planned and operating
63MW
planned generation, 3 projects
1.9GW
operating generation, 3 coal projects
0
planned projects past their listed in-service date
Map

Jefferson County and its neighbors

Counties shaded by data center MW on record, planned to operating. 3 of its 4 neighboring counties have pages of their own. The rest are in the member database.

Harrison no data centers Carroll no data centers Belmont Columbiana no data centers Jefferson 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
3%

of the county's operating generation is in the queue as new capacity: 63 MW planned across 3 projects against 1.9 GW operating.

Operating generation1.9 GW
Planned generation63 MW

Technology mix

6 projects, 1.9 GW planned and operating

Coal1.9 GW3 projects, 97%
Solar43 MW1 project, 2%
Hydro20 MW2 projects, 1%
Which companies own these 6 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

3 plants operate inside Jefferson County, 1.9 GW of coal. The queue adds 63 MW across 3 projects.

Figure 1

Operating and planned generation by technology

MW in Jefferson County

OperatingPlanned
CoalOperating 1.9 GW 3 projects
SolarPlanned 43 MW 1 project
HydroPlanned 20 MW 2 projects
View as table
TechnologyStatusProjectsMW
CoalOperating31,880.4
SolarPlanned143
HydroPlanned220
Operating: 1.9 GW. Planned: 63 MW. If every planned project is built, county generation would reach 1.9 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
0204060 43 2027 2028 20 2029
View as table
YearPlanned projectsMW
2027143
202800
2029220
No planned project is past its listed year

Jefferson County against its neighbors

None of the 3 neighboring counties with a page lists a data center record. Columbiana County has the most operating generation among them, 1.2 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Jefferson County this page 0
0
1,880
63 0x
Columbiana County 0
0
1,210
2,420 0x
Carroll County 0
0
832
2,600 0x
Harrison County 0
0
0
1,300 no operating MW

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.

4 counties shown

What changed since June 4, 2026

2 projects in Jefferson 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
2
cancelled, dropped or went inactive, 149.5 MW
0
slipped their in-service date, 0 MW

Every change in Jefferson County

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

Members only
County: Jefferson County, OHSince 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 Jefferson County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 6 records. Filter, sort and export to Excel.

Members only
County: Jefferson County, OHStatus: all except cancelledSort: MW, largest first 6 records
Project or campusDeveloperStatusMWYearContacts
6 records and 1.9 GW behind this preview

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