Caldwell County, Missouri: Power, Data Centers and the Local Economy
Home to Hamilton Township, Hamilton and Grant Township

Caldwell County is one of the places the data center build-out is physically happening. The SAVRN Data Center Map lists 1 data center in Caldwell County. Caldwell County is home to Hamilton Township, Hamilton, Grant Township and Davis Township. Construction employs 102, down 23.3% since 2019. 25 MW of that came online in 2019 or later, mostly solar. Its power plants have 25 MW of capacity, 100% of it solar.
Cities and towns in Caldwell County
Caldwell County is home to Hamilton Township, Hamilton, Grant Township and Davis Township.
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 Caldwell County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in Missouri |
|---|---|---|---|---|
| Population (2020 → 2025) | 8,826 | 9,012 | ▲ 2.1% | 92nd of 115 by size |
| Total jobs (2019 → 2025) | 1,834 | 1,885 | ▲ 2.8% | 52nd of 115 by growth |
| Average annual pay (2019 → 2025) | $33,321 | $43,131 | ▲ 29.4% | — |
| Construction jobs (2019 → 2025) | 133 | 102 | ▼ 23.3% | 68th of 71 by growth |
| Unemployment rate (2019 → August 2026) | 3.2% | 3.7% | ▲ 0.5pts | — |
| Generating capacity added since 2019 | — | 25 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — |
Employers here counted 1,885 jobs in 2025, up 2.8% from 2019. Unemployment was 3.7% in August 2026, against 3.2% in 2019. Union Electric Co - (MO) is the largest utility serving Caldwell County, one of 3 with territory here. Its residential customers paid an average 12.56¢/kWh in 2024. 9,012 people live here, up 2.1% since 2020.
Who powers Caldwell County
Net change in operating capacity since 2019: +25 MW. Colors follow the fuel legend above.
Utilities with service territory in Caldwell County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Union Electric Co - (MO) | Investor Owned | Bundled | 1,095,619 | 12.56¢ | 44% |
| Platte-Clay Electric Coop, Inc | Cooperative | Bundled | 23,584 | 12.46¢ | 23% |
| Farmers Electric Coop, Inc - (MO) | Cooperative | Bundled | 12,451 | 13.35¢ | 14% |
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 1
| Technology | Capacity | Share |
|---|---|---|
| Solar | 25 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Adelite Solar, LLC | Birch Creek Development | Solar | 25 MW | 2026 |
The Caldwell County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 1,885 | $43,131 | 1.00 |
| Construction | 102 | $61,616 | 1.02 |
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 Caldwell County
1 data center in Caldwell County is on the SAVRN Data Center Map.
Caldwell County and its neighbors
Of the 6 counties that border Caldwell County, Clinton 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 |
|---|---|---|---|---|---|---|
| Caldwell County | 9,012 | ▲ 2.8% | 25 MW | — | 1 | — |
| Carroll County | 8,417 | ▲ 5.1% | 21 MW | — | — | — |
| Clinton County | 21,661 | ▲ 22.4% | — | 419 MW | — | — |
| Daviess County | 8,558 | ▲ 16.3% | 7 MW | — | — | — |
| DeKalb County | 9,795 | ▼ 18.9% | 369 MW | — | — | — |
| Livingston County | 14,708 | ▼ 2.5% | 92 MW | — | — | — |
| Ray County | 23,398 | ▼ 0.9% | — | — | — | — |
More of Missouri
Caldwell County, answered from the record
Who provides electricity in Caldwell County, Missouri?
3 utilities have service territory in Caldwell County in the EIA-861 2024 report: Union Electric Co - (MO), Platte-Clay Electric Coop, Inc, Farmers Electric Coop, Inc - (MO). The largest, Union Electric Co - (MO), charged residential customers 12.56¢/kWh on average in 2024.
What power plants are in Caldwell County?
1 operating plant with 25 MW of capacity. The largest is Adelite Solar, LLC (25 MW, solar).
Are there data centers in Caldwell County?
Yes. The SAVRN Data Center Map lists 1 data center in Caldwell County.
Is Caldwell County adding jobs?
Employers counted 1,885 jobs in 2025 against 1,834 in 2019 (+2.8%, BLS QCEW). Construction went from 133 to 102.
Does Caldwell County have a data center moratorium?
No county-level measure is on record for Caldwell County. Missouri has 21 local measures statewide, listed on the state page.