Marshall County, Mississippi: Power, Data Centers and the Local Economy
Home to Holly Springs and Byhalia
Marshall County is where a large share of Mississippi's next power plants are planned. Employers here counted 11,694 jobs in 2025, up 52.9% from 2019 (the fastest growth of 82 Mississippi counties). Marshall County is home to Holly Springs and Byhalia. 55 MW of new generation is planned here across 2 units, led by SR Mount Pleasant, LLC (solar). 5 MW of it is already under construction or built. Unemployment was 3.8% in August 2026, against 5.7% in 2019. 10 MW of that came online in 2019 or later, mostly solar.
Cities and towns in Marshall County
Marshall County is home to Holly Springs and Byhalia.
Unincorporated communities (governed by the county): Bethlehem, Mount Pleasant, Red Banks, Victoria, Waterford.
Residents are 2025 Census estimates for the part of each city, town or township inside this county. Census publishes no annual estimate for unincorporated communities.
What changed in Marshall County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Mississippi |
|---|---|---|---|---|
| Population (2020 → 2025) | 33,780 | 34,654 | ▲ 2.6% | 21st of 82 by size |
| Total jobs (2019 → 2025) | 7,648 | 11,694 | ▲ 52.9% | 1st of 82 by growth |
| Average annual pay (2019 → 2025) | $40,300 | $49,875 | ▲ 23.8% | — |
| Unemployment rate (2019 → August 2026) | 5.7% | 3.8% | ▼ 1.9pts | — |
| Generating capacity added since 2019 | — | 10 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — | |
| Planned generation (Aug 2026) | — | 55 MW | 571% of today's fleet | 12th of 14 by size |
Its power plants have 10 MW of capacity, 100% of it solar. Northcentral Mississippi E P A is the largest utility serving Marshall County, one of 4 with territory here. Its residential customers paid an average 12.52¢/kWh in 2024. 34,654 people live here, up 2.6% since 2020.
Who powers Marshall County
Net change in operating capacity since 2019: +10 MW. Colors follow the fuel legend above.
Utilities with service territory in Marshall County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Northcentral Mississippi E P A | Cooperative | Bundled | 29,136 | 12.52¢ | 42% |
| North East Mississippi EPA | Cooperative | Bundled | 26,142 | 13.39¢ | 39% |
| City of Holly Springs | Municipal | Bundled | 9,399 | 12.25¢ | 33% |
| City of New Albany - (MS) | Municipal | Bundled | 8,157 | 12.39¢ | 34% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
Operating power plants 2
| Technology | Capacity | Share |
|---|---|---|
| Solar | 10 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| SR West Marshall, LLC | SR West Marshall, LLC | Solar | 5 MW | 2025 |
| Sr Byhalia, LLC | SR Byhalia, LLC | Solar | 5 MW | 2023 |
Planned generation 2
| Plant | Technology | MW | Status | Year | Owner |
|---|---|---|---|---|---|
| SR Mount Pleasant | Solar Photovoltaic | 50 MW | Approvals received | 2027 | SR Mount Pleasant, LLC |
| SR Marshall, LLC | Solar Photovoltaic | 5 MW | Built, not yet operating | 2026 | SR Marshall, LLC |
The Marshall County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 11,694 | $49,875 | 1.00 |
Concentration is the BLS location quotient: 1.0 means the industry holds the same share of local jobs as it does nationally. Industry rows count private employers; cells BLS suppresses are left out.
Data centers and local rules in Marshall County
No data center, local measure or delayed project is on record in Marshall County. Mississippi has 1 local measure on record statewide.
Marshall County and its neighbors
Of the 7 counties that border Marshall County, Shelby County carries the most build-out activity: data centers, planned generation and operating plants combined.
| County | Population | Jobs since 2019 | Operating MW | Planned MW | Data centers | Local measures |
|---|---|---|---|---|---|---|
| Marshall County | 34,654 | ▲ 52.9% | 10 MW | 55 MW | — | — |
| Benton County | 7,502 | ▲ 10.4% | 1,004 MW | — | — | — |
| DeSoto County | 197,918 | ▲ 14.6% | 1,004 MW | 195 MW | — | — |
| Fayette County TN | 45,071 | ▲ 5.4% | 180 MW | — | — | — |
| Lafayette County | 59,597 | ▲ 6.6% | — | — | — | — |
| Shelby County TN | 910,226 | ▼ 6.3% | 1,571 MW | 16 MW | 16 | — |
| Tate County | 28,725 | ▲ 19.9% | — | — | — | — |
| Union County | 28,459 | ▲ 7.4% | — | — | — | — |
More of Mississippi
Marshall County, answered from the record
Who provides electricity in Marshall County, Mississippi?
4 utilities have service territory in Marshall County in the EIA-861 2024 report: Northcentral Mississippi E P A, North East Mississippi EPA, City of Holly Springs, City of New Albany - (MS). The largest, Northcentral Mississippi E P A, charged residential customers 12.52¢/kWh on average in 2024.
What power plants are in Marshall County?
2 operating plants with 10 MW of capacity. The largest is SR West Marshall, LLC (5 MW, solar).
How much new power is planned in Marshall County?
55 MW across 2 units in the August 2026 EIA-860M inventory, 5 MW of it under construction or built. The largest owner is SR Mount Pleasant, LLC.
Are there data centers in Marshall County?
The SAVRN Data Center Map has no data center in Marshall County. The nearest activity on record is next door in Shelby County.
Is Marshall County adding jobs?
Employers counted 11,694 jobs in 2025 against 7,648 in 2019 (+52.9%, BLS QCEW).
Does Marshall County have a data center moratorium?
No county-level measure is on record for Marshall County. Mississippi has 1 local measure statewide, listed on the state page.