FieldProspects

Mississippi County, Arkansas

Mississippi County, Arkansas has 33 power projects in the FieldProspects database: 9 operating plants totaling 1.9 GW and 24 planned projects totaling 6.9 GW. No data center record lists the county. Solar leads with 4.8 GW across 18 projects. 7 planned projects are past their listed in-service date.

Data as of Grid region: Midcontinent ISO (MISO)Refreshed monthly
33
power projects, planned and operating
6.9GW
planned generation, 24 projects
1.9GW
operating generation, 9 projects
7
planned projects past their listed in-service date
Map

Mississippi County and its neighbors

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

Poinsett no data centers Mississippi no data centers Craighead no data centers Crittenden 567.5 MW
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
3.6times

more planned than operating generation in Mississippi County. 24 projects in the queue would add 6.9 GW to the 1.9 GW operating today, and 7 of them are past their listed in-service date.

Operating generation1.9 GW
Planned generation6.9 GW

Technology mix

33 projects, 8.8 GW planned and operating

Solar4.8 GW18 projects, 54%
Solar + Storage (Hybrid)1.7 GW5 projects, 19%
Battery Storage750 MW3 projects, 9%
4 other technologies1.6 GW7 projects, 18%
Which companies own these 33 projects?Project names, developers and contacts are for members.See what members get

Power generation in the county

9 plants operate inside Mississippi County, 1.9 GW. The queue adds 6.9 GW across 24 projects, and 7 of them are past their listed in-service date.

Figure 1

Operating and planned generation by technology

MW in Mississippi County

OperatingPlanned
SolarOperating 526 MW 4 projects
SolarPlanned 4.2 GW 14 projects
Solar + Storage (Hybrid)Planned 1.7 GW 5 projects
Battery StoragePlanned 750 MW 3 projects
CoalOperating 720 MW 1 project
CoalPlanned 10 MW 1 project
Natural GasOperating 679.1 MW 3 projects
TransmissionPlanned 200 MW 1 project
OilOperating 1.6 MW 1 project
View as table
TechnologyStatusProjectsMW
SolarOperating4526
SolarPlanned144,240
Solar + Storage (Hybrid)Planned51,655
Battery StoragePlanned3750
CoalOperating1720
CoalPlanned110
Natural GasOperating3679.1
TransmissionPlanned1200
OilOperating11.6
Operating: 1.9 GW. Planned: 6.9 GW. If every planned project is built, county generation would reach 8.8 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
01k2k3k Snapshot year 10 2020 2021 150 2022 100 2023 2024 405 2025 2026 2,400 2027 2,290 2028 750 2029 750 2030
View as table
YearPlanned projectsMW
2020110
202100
20221150
20231100
202400
20254405
202600
202762,400
202872,290
20292750
20302750
7 projects, 665 MW, were due before 2026

Mississippi County against its neighbors

Crittenden County has the most data center MW among the neighbors, 567.5 MW. 2 of the 3 have more generation operating than data center MW on record.

CountyData center recordsData center MWOperating generation MWPlanned generation MWData center MW per MW operating
Crittenden County 5
568
360
2,230 1.6x
Mississippi County this page 0
0
1,927
6,855 0x
Craighead County 0
0
237
950 0x
Poinsett County 0
0
5
240 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

9 projects in Mississippi County moved between the two snapshots. Counts and MW are below; the projects themselves are for members.

Open the change feed
8
added to a queue, 2.5 GW
0
came online, started construction or signed an interconnection agreement, 0 MW
1
cancelled, dropped or went inactive, 200 MW
0
slipped their in-service date, 0 MW

Every change in Mississippi County

Project, what changed, technology, MW and the dates that moved, for all 9 changes.

Members only
County: Mississippi County, ARSince June 4, 2026 9 changes
ProjectChangeTechnologyMWPrevious dateNew date
9 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 Mississippi County

Project name, developer, status, MW, in-service year and the developer’s contacts, for all 33 records. Filter, sort and export to Excel.

Members only
County: Mississippi County, ARStatus: all except cancelledSort: MW, largest first 33 records
Project or campusDeveloperStatusMWYearContacts
33 records and 8.8 GW behind this preview

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