SolarRisk Tracker / Explore / SC / Aiken County

Aiken County County, SC — Solar Development Risk Assessment

Local solar ordinance barriers, board sentiment, and utility policies that affect development timelines and risk.

44
Risk Grade
Good
Major SC midlands county adjacent to Savannah River Site; industrial energy culture; flat farmland available despite suburban growth near Aiken city; moderate compliance burden reflects developed UDC but historically accommodating process; solid solar track record
Assessment Snapshot
Population
170872
State Rank
#20
Compliance
38%
Trajectory
35

Moratorium Status

✓ No Active Moratorium
No specific moratorium information available.

Ordinance & Regulations

Setback Requirements
150 ft from residential; 75 ft from road ROW; SRS buffer zones per DOE (varies by zone)
Zoning Mechanism
CUP via Aiken County Planning Commission; County Council final approval for projects >10 MW
Acreage Caps
None established
Spacing Rules
Not specified
Size Restrictions
None formal

Board Sentiment & Political Risk

Sentiment Analysis
Supportive
Basis for Assessment
Large county with industrial tradition; SRS DOE facility creates pro-energy culture; flat farmland abundant; Duke Energy Progress and Dominion both active in territory; Aiken city council pro-economic-development; county council approved multiple solar CUPs
Political Risk Factors
Stable
Board Members
County Council Chair Gary Bunker | R | Term 2024–2028; Council Member Chuck Smith | R | Term 2022–2026; Council Member Tim Heitman | R | Term 2024–2028

Grid, Utilities & State Context

Grid Operator
SERC-SE; Duke Energy Progress; Dominion Energy SC
Utilities
Duke Energy Progress, Edisto Electric Cooperative
State Permitting Process
County zoning authority; no state solar preemption; special exception or conditional use permit typically required for utility-scale (>1 MW); decommissioning bond increasingly required
State Incentives
Federal ITC eligible; SC state income tax credit for solar (25% up to $35,000 for commercial); SC Energy Freedom Act net metering provisions

Development Activity

Active/Completed Projects
Barnwell-Aiken Solar (~50 MW, 2021); Three Rivers Solar (~35 MW, 2022); Flat Branch Solar (~80 MW, 2023, Duke Energy Progress PPA); Vista Solar (~40 MW, 2024)
Denied/Withdrawn Projects
None on record

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Last verified: 2026-04-02 | SolarRisk Tracker | Data sources: Government records, utility filings, public meeting minutes