FieldProspects

Columbiana County, Ohio

Columbiana County, Ohio has 6 power projects in the FieldProspects database: 4 operating plants totaling 1.2 GW and 2 planned projects totaling 2.4 GW. No data center record lists the county. Natural Gas leads with 3.6 GW across 6 projects.

Data as of Grid region: PJM InterconnectionRefreshed monthly
6
power projects, planned and operating
2.4GW
planned generation, 2 projects
1.2GW
operating generation, 4 natural gas projects
1
planned project past its listed in-service date
Map

Columbiana 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.

Carroll no data centers Columbiana no data centers Stark Jefferson no data centers Mahoning 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
2times

more planned than operating generation in Columbiana County. 2 projects in the queue would add 2.4 GW to the 1.2 GW operating today, and one of them is past its listed in-service date.

Operating generation1.2 GW
Planned generation2.4 GW

Technology mix

6 projects, 3.6 GW planned and operating

Natural Gas3.6 GW6 projects, 100%
Which companies own these 6 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

4 plants operate inside Columbiana County, 1.2 GW of natural gas. The queue adds 2.4 GW across 2 projects, and one of them is past its listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Columbiana County

OperatingPlanned
Natural GasOperating 1.2 GW 4 projects
Natural GasPlanned 2.4 GW 2 projects
View as table
TechnologyStatusProjectsMW
Natural GasOperating41,210.4
Natural GasPlanned22,420
Operating: 1.2 GW. Planned: 2.4 GW. If every planned project is built, county generation would reach 3.6 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
05001k1.5k Snapshot year 1,210 2025 2026 2027 1,210 2028
View as table
YearPlanned projectsMW
202511,210
202600
202700
202811,210
1 project, 1.2 GW, was due before 2026

Columbiana County against its neighbors

None of the 3 neighboring counties with a page lists a data center record. Jefferson County has the most operating generation among them, 1.9 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Jefferson County 0
0
1,880
63 0x
Columbiana County this page 0
0
1,210
2,420 0x
Carroll County 0
0
832
2,600 0x
Mahoning County 0
0
4
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.

4 counties shown

What changed since June 4, 2026

1 project in Columbiana 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
1
cancelled, dropped or went inactive, 145 MW
0
slipped their in-service date, 0 MW

Every change in Columbiana County

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

Members only
County: Columbiana County, OHSince 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 Columbiana 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: Columbiana County, OHStatus: all except cancelledSort: MW, largest first 6 records
Project or campusDeveloperStatusMWYearContacts
6 records and 3.6 GW behind this preview

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