Grant County, Indiana: Power, Data Centers and the Local Economy
Home to Marion, Center Township and Mill Township

Local rules on data centers are on the record in Grant County. Grant County is home to Marion, Center Township, Mill Township and Franklin Township. The Moratorium Tracker holds 1 local measure here (1 in force); the latest is “Local moratorium on data centers through March 16, 2028”. Construction employs 772, up 24.5% since 2019. 4 MW of that came online in 2019 or later, mostly solar. Its power plants have 7 MW of capacity, 100% of it solar.
Cities and towns in Grant County
Grant County is home to Marion, Center Township, Mill Township and Franklin Township.
- Converse also extends into Miami County.
Unincorporated communities (governed by the county): Herbst, Jalapa, Landess, Mier, Point Isabel, Sims.
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 Grant County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Indiana |
|---|---|---|---|---|
| Population (2020 → 2025) | 66,505 | 66,524 | ● 0.0% | 26th of 92 by size |
| Total jobs (2019 → 2025) | 27,229 | 27,713 | ▲ 1.8% | 39th of 92 by growth |
| Average annual pay (2019 → 2025) | $40,704 | $52,159 | ▲ 28.1% | — |
| Construction jobs (2019 → 2025) | 620 | 772 | ▲ 24.5% | 25th of 68 by growth |
| Unemployment rate (2019 → August 2026) | 3.9% | 4.1% | ▲ 0.2pts | — |
| Generating capacity added since 2019 | — | 4 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Employers here counted 27,713 jobs in 2025, up 1.8% from 2019. Duke Energy Indiana, LLC is the largest utility serving Grant 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. Unemployment was 4.1% in August 2026, against 3.9% in 2019. 66,524 people live here, up 0.0% since 2020.
Who powers Grant County
Net change in operating capacity since 2019: +4 MW. Colors follow the fuel legend above.
Utilities with service territory in Grant 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% |
| Indiana Michigan Power Co | Investor Owned | Bundled | 422,062 | 16.31¢ | 28% |
| Heartland REMC | Cooperative | Bundled | 18,013 | 14.72¢ | 26% |
| City of Gas City - (IN) | — | — | — | — | — |
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 |
|---|---|---|
| Solar | 7 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Deer Creek PV | Indiana Michigan Power Co | Solar | 2 MW | 2016 |
| Gas City Solar Park | Indiana Municipal Power Agency | Solar | 2 MW | 2020 |
| Gas City 2 | Indiana Municipal Power Agency | Solar | 2 MW | 2023 |
The Grant County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 27,713 | $52,159 | 1.00 |
| Construction | 772 | $63,874 | 0.53 |
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 Grant County
Local measures 1
| Measure | Status | Date | |
|---|---|---|---|
| Local moratorium on data centers through March 16, 2028 | In force | 2026-03 |
Grant County and its neighbors
Of the 9 counties that border Grant County, Blackford 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 |
|---|---|---|---|---|---|---|
| Grant County | 66,524 | ▲ 1.8% | 7 MW | — | — | 1 |
| Blackford County | 11,730 | ▼ 5.7% | — | 595 MW | — | — |
| Delaware County | 113,106 | ▼ 1.8% | — | — | — | — |
| Howard County | 83,904 | ▼ 9.0% | 5 MW | — | — | 1 |
| Huntington County | 37,224 | ▲ 1.7% | — | — | — | — |
| Madison County | 135,088 | ▲ 1.4% | 215 MW | — | — | 1 |
| Miami County | 34,487 | ▼ 0.7% | 17 MW | — | 1 | 1 |
| Tipton County | 15,319 | ▼ 15.4% | 208 MW | — | — | — |
| Wabash County | 30,713 | ▼ 0.1% | 4 MW | — | — | — |
| Wells County | 28,883 | ▲ 4.4% | 236 MW | — | — | — |
More of Indiana
Grant County, answered from the record
Who provides electricity in Grant County, Indiana?
4 utilities have service territory in Grant County in the EIA-861 2024 report: Duke Energy Indiana, LLC, Indiana Michigan Power Co, Heartland REMC, City of Gas City - (IN). The largest, Duke Energy Indiana, LLC, charged residential customers 12.75¢/kWh on average in 2024.
What county is Marion, IN in?
Marion is in Grant County, Indiana. About 28,234 people live there (2025 Census estimate).
What county is Center Township, IN in?
Center Township is in Grant County, Indiana. About 21,606 people live there (2025 Census estimate).
What county is Mill Township, IN in?
Mill Township is in Grant County, Indiana. About 10,416 people live there (2025 Census estimate).
What power plants are in Grant County?
3 operating plants with 7 MW of capacity. The largest is Deer Creek PV (2 MW, solar).
Are there data centers in Grant County?
The SAVRN Data Center Map has no data center in Grant County. The nearest activity on record is next door in Blackford County.
Is Grant County adding jobs?
Employers counted 27,713 jobs in 2025 against 27,229 in 2019 (+1.8%, BLS QCEW). Construction went from 620 to 772.
Does Grant County have a data center moratorium?
The SAVRN Moratorium Tracker holds 1 local measure for Grant County, 1 in force.