Clark County, Indiana: Power, Data Centers and the Local Economy
Home to Jeffersonville Township, Jeffersonville and Clarksville
The data center boom is not abstract in Clark County: it is on the ground here. The SAVRN Data Center Map lists 1 data center in Clark County. Clark County is home to Jeffersonville Township, Jeffersonville, Clarksville and Charlestown Township. The Moratorium Tracker holds 1 local measure here (1 in force); the latest is “County moratorium on data centers”. 200 MW of new generation is planned here across 1 unit, led by MAHI bn, LLC (solar). Construction employs 3,078, up 19.7% since 2019.
Cities and towns in Clark County
Clark County is home to Jeffersonville Township, Jeffersonville, Clarksville and Charlestown Township.
Unincorporated communities (governed by the county): Henryville, Memphis, New Washington.
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 Clark County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Indiana |
|---|---|---|---|---|
| Population (2020 → 2025) | 121,374 | 130,451 | ▲ 7.5% | 14th of 92 by size |
| Total jobs (2019 → 2025) | 53,928 | 59,952 | ▲ 11.2% | 8th of 92 by growth |
| Average annual pay (2019 → 2025) | $42,715 | $56,014 | ▲ 31.1% | — |
| Construction jobs (2019 → 2025) | 2,572 | 3,078 | ▲ 19.7% | 36th of 68 by growth |
| Electric utility jobs (2019 → 2025) | 107 | 110 | ▲ 2.8% | — |
| Unemployment rate (2019 → August 2026) | 3.3% | 3.6% | ▲ 0.3pts | — |
| Generating capacity added since 2019 | — | 5 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — | |
| Planned generation (Aug 2026) | — | 200 MW | 3279% of today's fleet | 11th of 16 by size |
Employers here counted 59,952 jobs in 2025, up 11.2% from 2019 (the 8th fastest growth of 92 Indiana counties). 5 MW of that came online in 2019 or later, mostly battery storage. Its power plants have 6 MW of capacity, 82% of it battery storage. Duke Energy Indiana, LLC is the largest utility serving Clark County, one of 4 with territory here. Its residential customers paid an average 12.75¢/kWh in 2024, below the 14.63¢ median for Indiana utilities. 130,451 people live here, up 7.5% since 2020. Unemployment was 3.6% in August 2026, against 3.3% in 2019.
Who powers Clark County
Net change in operating capacity since 2019: +5 MW. Colors follow the fuel legend above.
Utilities with service territory in Clark 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% |
| Clark County Rural E M C - (IN) | Cooperative | Bundled | 27,103 | 14.63¢ | 14% |
| Jackson County Rural E M C - (IN) | Cooperative | Bundled | 24,215 | 15.32¢ | 11% |
| Harrison County Rural E M C | Cooperative | Bundled | 23,221 | 13.88¢ | 16% |
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 |
|---|---|---|
| Battery storage | 5 MW | 82% |
| Solar | 1 MW | 18% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Nabb Battery Energy Storage System | Duke Energy Indiana, LLC | Battery storage | 5 MW | 2020 |
| Henryville Solar RES | Hoosier Energy R E C, Inc | Solar | 1 MW | 2016 |
Planned generation 1
| Plant | Technology | MW | Status | Year | Owner |
|---|---|---|---|---|---|
| Flag Run Solar | Solar Photovoltaic | 200 MW | Approvals pending | 2029 | MAHI bn, LLC |
The Clark County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 59,952 | $56,014 | 1.00 |
| Construction | 3,078 | $68,279 | 0.97 |
| Electric utilities | 110 | $122,557 | 0.68 |
| Data processing and hosting | 12 | $87,531 | 0.06 |
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 Clark County
1 data center in Clark County is on the SAVRN Data Center Map.
Local measures 1
| Measure | Status | Date | |
|---|---|---|---|
| County moratorium on data centers | In force | — |
Clark County and its neighbors
Of the 7 counties that border Clark County, Jefferson 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 |
|---|---|---|---|---|---|---|
| Clark County | 130,451 | ▲ 11.2% | 6 MW | 200 MW | 1 | 1 |
| Floyd County | 82,153 | ▲ 6.6% | — | — | — | 1 |
| Jefferson County | 33,279 | ▲ 3.6% | 1,304 MW | — | — | 1 |
| Jefferson County KY | 795,222 | ▲ 2.0% | 2,489 MW | 740 MW | 18 | 1 |
| Oldham County KY | 70,986 | ▲ 4.1% | 581 MW | — | 2 | 2 |
| Scott County | 25,053 | ● 0.0% | 7 MW | — | — | — |
| Trimble County KY | 8,701 | ▼ 7.5% | 2,594 MW | — | — | — |
| Washington County | 28,383 | ▼ 8.2% | — | — | — | 1 |
More of Indiana
Clark County, answered from the record
Who provides electricity in Clark County, Indiana?
4 utilities have service territory in Clark County in the EIA-861 2024 report: Duke Energy Indiana, LLC, Clark County Rural E M C - (IN), Jackson County Rural E M C - (IN), Harrison County Rural E M C. The largest, Duke Energy Indiana, LLC, charged residential customers 12.75¢/kWh on average in 2024.
What county is Jeffersonville Township, IN in?
Jeffersonville Township is in Clark County, Indiana. About 65,369 people live there (2025 Census estimate).
What county is Jeffersonville, IN in?
Jeffersonville is in Clark County, Indiana. About 54,134 people live there (2025 Census estimate).
What county is Clarksville, IN in?
Clarksville is in Clark County, Indiana. About 22,253 people live there (2025 Census estimate).
What power plants are in Clark County?
2 operating plants with 6 MW of capacity. The largest is Nabb Battery Energy Storage System (5 MW, battery storage).
How much new power is planned in Clark County?
200 MW across 1 units in the August 2026 EIA-860M inventory, 0 MW of it under construction or built. The largest owner is MAHI bn, LLC.
Are there data centers in Clark County?
Yes. The SAVRN Data Center Map lists 1 data center in Clark County.
Is Clark County adding jobs?
Employers counted 59,952 jobs in 2025 against 53,928 in 2019 (+11.2%, BLS QCEW). Construction went from 2,572 to 3,078.
Does Clark County have a data center moratorium?
The SAVRN Moratorium Tracker holds 1 local measure for Clark County, 1 in force.