FieldProspects

Marion County, Texas

Marion County, Texas has 5 power projects in the FieldProspects database: 3 operating plants totaling 882 MW and 2 planned projects totaling 310 MW. No data center record lists the county. Natural Gas leads with 882 MW across 3 projects.

Data as of Grid region: Southwest Power Pool (SPP)Refreshed monthly
5
power projects, planned and operating
310MW
planned generation, 2 projects
882MW
operating generation, 3 natural gas projects
0
planned projects past their listed in-service date
Map

Marion 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.

Upshur Cass no data centers Morris no data centers Harrison no data centers Marion 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
35%

of the county's operating generation is in the queue as new capacity: 310 MW planned across 2 projects against 882 MW operating.

Operating generation882 MW
Planned generation310 MW

Technology mix

5 projects, 1.2 GW planned and operating

Natural Gas882 MW3 projects, 74%
Solar + Storage (Hybrid)310 MW2 projects, 26%
Which companies own these 5 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

3 plants operate inside Marion County, 882 MW of natural gas. The queue adds 310 MW across 2 projects.

Figure 1

Operating and planned generation by technology

MW in Marion County

OperatingPlanned
Natural GasOperating 882 MW 3 projects
Solar + Storage (Hybrid)Planned 310 MW 2 projects
View as table
TechnologyStatusProjectsMW
Natural GasOperating3882
Solar + Storage (Hybrid)Planned2310
Operating: 882 MW. Planned: 310 MW. If every planned project is built, county generation would reach 1.2 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 150 2027 2028 160 2029
View as table
YearPlanned projectsMW
20271150
202800
20291160
No planned project is past its listed year

Marion County against its neighbors

None of the 3 neighboring counties with a page lists a data center record. Harrison County has the most operating generation among them, 1 GW.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Harrison County 0
0
1,043
2,909 0x
Marion County this page 0
0
882
310 0x
Cass County 0
0
65
75 0x
Morris County 0
0
0
2,281 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

Every record in Marion County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 5 records. Filter, sort and export to Excel.

Members only
County: Marion County, TXStatus: all except cancelledSort: MW, largest first 5 records
Project or campusDeveloperStatusMWYearContacts
5 records and 1.2 GW behind this preview

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