Williamsburg County, South Carolina: Power, Data Centers and the Local Economy
Home to Kingstree
New generation is lining up in Williamsburg County. Employers here counted 6,466 jobs in 2025, down 28.5% from 2019. Williamsburg County is home to Kingstree. Unemployment was 7.1% in August 2026, against 4.3% in 2019. 75 MW of new generation is planned here across 1 unit, led by Kingstree West 115 LLC (solar), the 8th largest pipeline among South Carolina's counties. 75 MW of it is already under construction or built. 20 MW of that came online in 2019 or later, mostly solar.
Cities and towns in Williamsburg County
Williamsburg County is home to Kingstree.
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 Williamsburg County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in South Carolina |
|---|---|---|---|---|
| Population (2020 → 2025) | 30,914 | 29,662 | ▼ 4.0% | 32nd of 46 by size |
| Total jobs (2019 → 2025) | 9,047 | 6,466 | ▼ 28.5% | 46th of 46 by growth |
| Average annual pay (2019 → 2025) | $39,936 | $50,451 | ▲ 26.3% | — |
| Unemployment rate (2019 → August 2026) | 4.3% | 7.1% | ▲ 2.8pts | — |
| Generating capacity added since 2019 | — | 20 MW | — | |
| Generating capacity retired since 2019 | — | 0 MW | — | |
| Planned generation (Aug 2026) | — | 75 MW | 375% of today's fleet | 8th of 16 by size |
Its power plants have 20 MW of capacity, 100% of it solar. Duke Energy Progress - (NC) is the largest utility serving Williamsburg County, one of 2 with territory here. Its residential customers paid an average 14.88¢/kWh in 2024. 29,662 people live here, down 4.0% since 2020.
Who powers Williamsburg County
Net change in operating capacity since 2019: +20 MW. Colors follow the fuel legend above.
Utilities with service territory in Williamsburg County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Duke Energy Progress - (NC) | Investor Owned | Bundled | 143,713 | 14.88¢ | 28% |
| Santee Electric Coop, Inc | Cooperative | Bundled | 35,235 | 14.74¢ | 12% |
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 | 20 MW | 100% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Cherry Blossom Solar LLC | CBH Lessor LLC | Solar | 10 MW | 2019 |
| Sunflower Solar LLC | SolRiver Capital LLC | Solar | 10 MW | 2024 |
Planned generation 1
| Plant | Technology | MW | Status | Year | Owner |
|---|---|---|---|---|---|
| Kingstree West 115 | Solar Photovoltaic | 75 MW | Built, not yet operating | 2026 | Kingstree West 115 LLC |
The Williamsburg County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 6,466 | $50,451 | 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 Williamsburg County
No data center, local measure or delayed project is on record in Williamsburg County. South Carolina has 22 local measures on record statewide, and 1 neighboring county has one: Clarendon County.
Williamsburg County and its neighbors
Of the 5 counties that border Williamsburg County, Berkeley 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 |
|---|---|---|---|---|---|---|
| Williamsburg County | 29,662 | ▼ 28.5% | 20 MW | 75 MW | — | — |
| Berkeley County | 274,666 | ▲ 27.0% | 3,417 MW | 300 MW | 5 | — |
| Clarendon County | 31,043 | ▼ 3.6% | 8 MW | — | — | 1 |
| Florence County | 138,504 | ▲ 5.5% | 116 MW | — | — | — |
| Georgetown County | 65,912 | ▲ 2.5% | 1,573 MW | 413 MW | — | — |
| Marion County | 28,242 | ▼ 1.7% | 25 MW | 10 MW | — | — |
More of South Carolina
Williamsburg County, answered from the record
Who provides electricity in Williamsburg County, South Carolina?
2 utilities have service territory in Williamsburg County in the EIA-861 2024 report: Duke Energy Progress - (NC), Santee Electric Coop, Inc. The largest, Duke Energy Progress - (NC), charged residential customers 14.88¢/kWh on average in 2024.
What power plants are in Williamsburg County?
2 operating plants with 20 MW of capacity. The largest is Cherry Blossom Solar LLC (10 MW, solar).
How much new power is planned in Williamsburg County?
75 MW across 1 units in the August 2026 EIA-860M inventory, 75 MW of it under construction or built. The largest owner is Kingstree West 115 LLC.
Are there data centers in Williamsburg County?
The SAVRN Data Center Map has no data center in Williamsburg County. The nearest activity on record is next door in Berkeley County.
Is Williamsburg County adding jobs?
Employers counted 6,466 jobs in 2025 against 9,047 in 2019 (-28.5%, BLS QCEW).
Does Williamsburg County have a data center moratorium?
No county-level measure is on record for Williamsburg County. South Carolina has 22 local measures statewide, listed on the state page.