Posey County, Indiana: Power, Data Centers and the Local Economy
Home to Black Township, Mount Vernon and Marrs Township
Posey County is a power-producing county: the plants here serve load well beyond its borders. Posey County is home to Black Township, Mount Vernon, Marrs Township and Robinson Township. Construction employs 652, up 28.3% since 2019, and construction is 1.4 times as concentrated here as in the U.S. economy. 250 MW of new generation is planned here across 1 unit, led by Strata Clean Energy (solar), the 6th largest pipeline among Indiana's counties. 530 MW has retired here since 2019, including A B Brown (coal, 530 MW, 2023). Next door, White County, Illinois, has 303 MW of planned generation.
Cities and towns in Posey County
Posey County is home to Black Township, Mount Vernon, Marrs Township and Robinson Township.
Unincorporated communities (governed by the county): Parkers Settlement.
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 Posey County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Indiana |
|---|---|---|---|---|
| Population (2020 → 2025) | 25,190 | 24,988 | ▼ 0.8% | 63rd of 92 by size |
| Total jobs (2019 → 2025) | 8,822 | 8,603 | ▼ 2.5% | 67th of 92 by growth |
| Average annual pay (2019 → 2025) | $58,784 | $71,000 | ▲ 20.8% | — |
| Construction jobs (2019 → 2025) | 508 | 652 | ▲ 28.3% | 20th of 68 by growth |
| Unemployment rate (2019 → August 2026) | 2.9% | 3.1% | ▲ 0.2pts | — |
| Generating capacity added since 2019 | — | 662 MW | — | |
| Generating capacity retired since 2019 | — | 530 MW | — | |
| Planned generation (Aug 2026) | — | 250 MW | 26% of today's fleet | 6th of 16 by size |
662 MW of that came online in 2019 or later, mostly natural gas. Its power plants have 946 MW of capacity, 80% of it natural gas. Employers here counted 8,603 jobs in 2025, down 2.5% from 2019. Duke Energy Indiana, LLC is the largest utility serving Posey County, one of 3 with territory here. Its residential customers paid an average 12.75¢/kWh in 2024, below the 14.63¢ median for Indiana utilities. Unemployment was 3.1% in August 2026, against 2.9% in 2019. 24,988 people live here, down 0.8% since 2020.
Who powers Posey County
Net change in operating capacity since 2019: +131 MW. Colors follow the fuel legend above.
Utilities with service territory in Posey County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Duke Energy Indiana, LLC | Investor Owned | Bundled | 796,265 | 12.75¢ | 31% |
| Southern Indiana Gas & Elec Co | Investor Owned | Bundled | 133,795 | 17.52¢ | 24% |
| Western Indiana Energy REMC | Cooperative | Bundled | 15,017 | 14.39¢ | 19% |
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 3
| Technology | Capacity | Share |
|---|---|---|
| Natural gas | 755 MW | 80% |
| Solar | 191 MW | 20% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| A B Brown | Southern Indiana Gas & Elec Co | Natural gas | 647 MW | 1991 |
| Posey Solar | Southern Indiana Gas & Elec Co | Solar | 191 MW | 2025 |
| SABIC Innovative Plastics Mt. Vernon | SABIC IP Mt. Vernon, LLC | Natural gas | 108 MW | 2017 |
Planned generation 1
| Plant | Technology | MW | Status | Year | Owner |
|---|---|---|---|---|---|
| Patoka Solar | Solar Photovoltaic | 250 MW | Planned, approvals not started | 2027 | Strata Clean Energy |
Retired since 2019
| Plant | Technology | MW | Year |
|---|---|---|---|
| A B Brown | Coal | 530 MW | 2023 |
The Posey County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 8,603 | $71,000 | 1.00 |
| Construction | 652 | $75,048 | 1.43 |
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 Posey County
No data center, local measure or delayed project is on record in Posey County. Indiana has 40 local measures on record statewide.
Posey County and its neighbors
Of the 6 counties that border Posey County, Gibson 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 |
|---|---|---|---|---|---|---|
| Posey County | 24,988 | ▼ 2.5% | 946 MW | 250 MW | — | — |
| Gallatin County IL | 4,616 | ▼ 22.1% | — | — | — | — |
| Gibson County | 33,091 | ▲ 2.1% | 3,540 MW | 200 MW | — | — |
| Henderson County KY | 44,255 | ▼ 3.2% | 560 MW | 51 MW | — | — |
| Union County KY | 12,839 | ▲ 5.0% | — | — | — | — |
| Vanderburgh County | 181,995 | ▼ 1.4% | 5 MW | — | 1 | — |
| White County IL | 13,250 | ▼ 4.0% | 312 MW | 303 MW | — | — |
More of Indiana
Posey County, answered from the record
Who provides electricity in Posey County, Indiana?
3 utilities have service territory in Posey County in the EIA-861 2024 report: Duke Energy Indiana, LLC, Southern Indiana Gas & Elec Co, Western Indiana Energy REMC. The largest, Duke Energy Indiana, LLC, charged residential customers 12.75¢/kWh on average in 2024.
What power plants are in Posey County?
3 operating plants with 946 MW of capacity. The largest is A B Brown (647 MW, natural gas).
How much new power is planned in Posey County?
250 MW across 1 units in the August 2026 EIA-860M inventory, 0 MW of it under construction or built. The largest owner is Strata Clean Energy.
Are there data centers in Posey County?
The SAVRN Data Center Map has no data center in Posey County. The nearest activity on record is next door in White County.
Is Posey County adding jobs?
Employers counted 8,603 jobs in 2025 against 8,822 in 2019 (-2.5%, BLS QCEW). Construction went from 508 to 652.
Does Posey County have a data center moratorium?
No county-level measure is on record for Posey County. Indiana has 40 local measures statewide, listed on the state page.