FieldProspects

Hardin County, Ohio

Hardin County, Ohio has 12 power projects in the FieldProspects database: 6 operating plants totaling 619 MW and 6 planned projects totaling 839.4 MW. No data center record lists the county. Solar leads with 1.1 GW across 9 projects. 2 planned projects are past their listed in-service date.

Data as of Grid region: PJM InterconnectionRefreshed monthly
12
power projects, planned and operating
839.4MW
planned generation, 6 projects
619MW
operating generation, 6 projects
2
planned projects past their listed in-service date
Map

Hardin County and its neighbors

Counties shaded by data center MW on record, planned to operating. 6 of its 7 neighboring counties have pages of their own. The rest are in the member database.

Hancock no data centers Marion no data centers Logan no data centers Union 652 MW Auglaize no data centers Hardin no data centers Allen Wyandot 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
1.4times

more planned than operating generation in Hardin County. 6 projects in the queue would add 839.4 MW to the 619 MW operating today, and 2 of them are past their listed in-service date.

Operating generation619 MW
Planned generation839.4 MW

Technology mix

12 projects, 1.5 GW planned and operating

Solar1.1 GW9 projects, 78%
Solar + Storage (Hybrid)259.4 MW2 projects, 18%
Wind66 MW1 project, 5%
Which companies own these 12 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

6 plants operate inside Hardin County, 619 MW of solar and wind. The queue adds 839.4 MW across 6 projects, and 2 of them are past their listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Hardin County

OperatingPlanned
SolarOperating 553 MW 5 projects
SolarPlanned 580 MW 4 projects
Solar + Storage (Hybrid)Planned 259.4 MW 2 projects
WindOperating 66 MW 1 project
View as table
TechnologyStatusProjectsMW
SolarOperating5553
SolarPlanned4580
Solar + Storage (Hybrid)Planned2259.4
WindOperating166
Operating: 619 MW. Planned: 839.4 MW. If every planned project is built, county generation would reach 1.5 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. 1 planned project lists no date and is left out.

Past dueDue 2026 or later
0100200300 Snapshot year 250 2023 2024 129 2025 160 2026 50 2027
View as table
YearPlanned projectsMW
20231250
202400
20251129.4
20262160
2027150
2 projects, 379.4 MW, were due before 2026

Hardin County against its neighbors

Union County has the most data center MW among the neighbors, 652 MW. 5 of the 6 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Union County 11
652
565
497 1.2x
Hardin County this page 0
0
619
839 0x
Logan County 0
0
253
413 0x
Marion County 0
0
114
548 0x
Auglaize County 0
0
50
0 0x
Hancock County 0
0
20
485 0x
Wyandot County 0
0
13
886 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.

7 counties shown

What changed since June 4, 2026

7 projects in Hardin 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
7
cancelled, dropped or went inactive, 955.9 MW
0
slipped their in-service date, 0 MW

Every change in Hardin County

Project, what changed, technology, MW and the dates that moved, for all 7 changes.

Members only
County: Hardin County, OHSince June 4, 2026 7 changes
ProjectChangeTechnologyMWPrevious dateNew date
7 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 Hardin County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 12 records. Filter, sort and export to Excel.

Members only
County: Hardin County, OHStatus: all except cancelledSort: MW, largest first 12 records
Project or campusDeveloperStatusMWYearContacts
12 records and 1.5 GW behind this preview

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