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Regbase

The Data Center Divide

Colleton County

Mixed Data Center Policies

South Carolina offers qualifying data centers tax breaks, but investment, job, certification, and facility-size conditions limit access, and an enacted rule bars some large facilities from exemptions. A power rate requires customers to cover needed facilities, provide financial security, and accept long-term minimum charges.

Rating and summary from South Carolina statewide as there are no scored current or future laws outside temporary restrictions for Colleton County.

current law · Unincorporated areas
Would amend Colleton County’s Zoning Ordinance and Land Development Regulations to authorize a Digital Infrastructure Overlay District and establish conditions for developing digital infrastructure facilities, while repealing and replacing related data-center provisions in Ordinance No.South Carolina Colleton County Digital Infrastructure Overlay District Ordinance (2026)

Specific to Colleton County only.

current law · County measure
Identifies South Carolina Colleton County Ordinance 26-O-04 (2026) as a data-center moratorium ordinance.South Carolina Colleton County Ordinance 26-O-04 (2026)

Timing

Ends
180 days after adoption

The moratorium is temporary and expires 180 days after adoption. The sources do not indicate a different expiration date or an extension condition.

People behind it

  • County legislative body responsible for enacting the data center moratorium measure

Restrictions & requirementsHide restrictions & requirements1
  • Establishes a temporary moratorium restricting data-center development in Colleton County, including the building or expansion of data centers. (data-center moratorium)

Benefits & exceptionsHide benefits & exceptions3
  • Applications for data centers that were submitted before the moratorium took effect may continue to be processed under the regulations then in effect.

  • Existing lawful data centers and projects with previously approved permits or vested rights are not barred by the temporary moratorium from continuing development or operation.

  • The moratorium is temporary and does not permanently prohibit data centers; it only pauses covered applications while the County considers its regulations.

Sources

Specific to Colleton County only.

repealed · County measure
Would amend Colleton County’s Title 14 land-management rules to define and regulate data centers, including classifying them as special exceptions in RD-1, RD-2, and LID districts and conditional uses in ID and HID districts, while excluding and prohibiting cryptocurrency-processing facilities within the proposed standards.South Carolina Colleton County Ordinance 25-O-10 (2025)

What this means

The ordinance would expressly allow data centers in several zoning districts, creating a path to build them where the rules may not have clearly allowed them before. But projects would need special or conditional approval and meet substantial requirements, including large setbacks and buffers, noise limits, and—in nonindustrial areas—a 300-acre minimum, so the net benefit is modest.

People behind it

  • Identified as the sponsor of Ordinance 25-O-10 and responsible for introducing and adopting the measure.

Restrictions & requirementsHide restrictions & requirements13
  • Data centers are permitted only as special exceptions in the RD-1, RD-2, and LID zoning districts, and as conditional uses in the ID and HID zoning districts, requiring additional zoning approval.

  • Cryptocurrency processing facilities are excluded from the definition of a data center and are expressly prohibited.

  • Principal buildings may not exceed 75 feet in height, except that the limit does not apply to accessory structures such as water towers, conveyor belts, or other incidental and uninhabited structures. Structures in the Airport Compatibility Overlay Zone must also comply with that overlay's requirements.

  • Data center developments must maintain 200-foot front, side, and rear setbacks.

  • A development must have at least 110 feet of street frontage, 400 feet of lot width at the building line, and 300 acres if located in a non-industrial zoning designation. These dimensional requirements do not apply to subdivided internal lots if the overall tract complies and each lot has adequate public or private road access.

  • RD-1 and RD-2 developments require a forested buffer at least 150 feet wide providing 100% opacity. Industrial-zoned developments require an additional 50-foot forested buffer, also providing 100% opacity from roads and adjoining non-industrial properties. Buffers may be located within required building setbacks.

  • All air-conditioning units and HVAC systems must be screened from view from public rights-of-way and adjacent properties using buildings, walls, fencing, roof elements, or landscaping.

  • Principal buildings must orient their front facade toward a street or adjacent arterial street, unless the building is more than 500 feet from the public right-of-way or is not visible from it.

  • Security fencing and walls along a right-of-way may not be placed within the required buffer unless they comply with the County's specified fencing provision.

  • Private roads within a data center development are allowed only if they are designed and constructed according to County public-road standards.

  • On-site natural-gas, solar, or other renewable power generation is allowed only with all applicable construction permits, including air and building permits.

  • Outdoor lighting must be downcast and arranged to prevent light trespass onto adjacent properties.

  • Sound levels at any property line may not exceed 65 decibels, except during emergency-generator testing. Such testing is limited to once per week and may occur only on weekdays from 11:00 a.m. to 1:00 p.m.

Benefits & exceptionsHide benefits & exceptions11
  • Allows data centers as a special-exception use in the RD-1, RD-2, and LID zoning districts, and as a conditional use in the ID and HID zoning districts. The ordinance identifies these zoning districts for data centers

  • Creates a defined land-use category for data centers, covering facilities that store, manage, process, host, or transmit data and related equipment. Cryptocurrency-processing facilities are excluded.

  • Allows principal data-center buildings to be up to 75 feet high, subject to the Airport Compatibility Overlay Zone requirements where applicable.

  • Allows required setbacks and buffers to apply only to the outside boundaries of the overall data-center development, rather than to each internal subdivided lot, if the overall tract complies and each lot has adequate public or private-road access.

  • Permits private roads within a data-center development, provided they are designed and built to County public-road standards.

  • Permits onsite power generation using natural gas, solar power, or other renewable sources, subject to applicable air, building, and other construction permits.

  • Permits accessory structures that meet the specified buffer setbacks and expressly allows guardhouses and secure-entry features at public-road entrances.

  • Allows required forested buffers to be located within required building setbacks, reducing the additional land area needed for those requirements.

  • Provides an exception to the front-facade orientation requirement when a building is more than 500 feet from the public right-of-way or is not visible from it.

  • States that the data-center standards control if they conflict with other provisions of the County Code, providing protection against inconsistent land-management requirements.

  • Permits emergency-generator testing once per week on weekdays between 11:00 a.m. and 1:00 p.m., as an exception to the 65-decibel property-line noise limit.

Sources

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