FieldProspects

Plymouth County, Iowa

Plymouth County, Iowa has 3 power projects in the FieldProspects database: 1 operating plant totaling 202.7 MW and 2 planned projects totaling 400 MW. No data center record lists the county. Wind leads with 602.7 MW across 3 projects. 1 planned project is past its listed in-service date.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
3
power projects, planned and operating
400MW
planned generation, 2 projects
202.7MW
operating generation, 1 wind project
1
planned project past its listed in-service date
Map

Plymouth County and its neighbors

Counties shaded by data center MW on record, planned to operating. 1 of its 3 neighboring counties have pages of their own. The rest are in the member database.

Woodbury no data centers Plymouth no data centers Sioux Cherokee
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 Plymouth County. 2 projects in the queue would add 400 MW to the 202.7 MW operating today, and one of them is past its listed in-service date.

Operating generation202.7 MW
Planned generation400 MW

Technology mix

3 projects, 602.7 MW planned and operating

Wind602.7 MW3 projects, 100%
Which companies own these 3 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

1 plant operate inside Plymouth County, 202.7 MW of wind. The queue adds 400 MW across 2 projects, and one of them is past its listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Plymouth County

OperatingPlanned
WindOperating 202.7 MW 1 project
WindPlanned 400 MW 2 projects
View as table
TechnologyStatusProjectsMW
WindOperating1202.7
WindPlanned2400
Operating: 202.7 MW. Planned: 400 MW. If every planned project is built, county generation would reach 602.7 MW.
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 Snapshot year 200 2021 2022 2023 2024 2025 200 2026
View as table
YearPlanned projectsMW
20211200
202200
202300
202400
202500
20261200
1 project, 200 MW, was due before 2026

Plymouth County against its neighbors

None of the 1 neighboring county with a page lists a data center record. Woodbury County has the most operating generation among them, 1.3 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Woodbury County 0
0
1,284
0 0x
Plymouth County this page 0
0
203
400 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.

2 counties shown

Every record in Plymouth County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 3 records. Filter, sort and export to Excel.

Members only
County: Plymouth County, IAStatus: all except cancelledSort: MW, largest first 3 records
Project or campusDeveloperStatusMWYearContacts
3 records and 602.7 MW behind this preview

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