Commercial by town · South Carolina
Commercial solar across South Carolina
The 2026 rate changes that made residential solar harder to justify left commercial economics broadly intact, and in relative terms improved them. The reason is load shape: a business draws hardest during the hours a rooftop array produces hardest, so most of what you generate never touches the grid.
That means a commercial building offsets power at full retail rather than earning a few cents for export, which is a structural advantage over a typical home under current terms.
Each page below covers the local building stock, the county structural and permitting position, and the metering questions that decide whether a project works. Tax structuring we route to your CPA rather than guess at.
By utility
Grouped by who bills you
Your utility decides more about a solar system than any equipment choice, so these are grouped that way rather than alphabetically. Territory can vary by address, which we confirm at the assessment.
Dominion Energy South Carolina14 towns
- Charleston Charleston County
- Mount Pleasant Charleston County
- Daniel Island Berkeley County
- Summerville Dorchester County
- North Charleston Charleston County
- Columbia Richland County
- Beaufort Beaufort County
- Hilton Head Island Beaufort County
- Hanahan Berkeley County
- Bluffton Beaufort County
- Walterboro Colleton County
- Ridgeville Dorchester County
- Blythewood Richland County
- Lexington Lexington County
Duke Energy Progress2 towns
Santee Cooper1 town
Duke Energy Carolinas1 town
Other indexes
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- 01
Solar installers by city
Locations
- 02
Solar panel cost by city
Costs by town
- 03
Solar incentives by city
Incentives by town
- 04
Is solar worth it, by city
Honest answers
- 05
Buying solar, by city
How to buy well
- 06
Battery storage by city
Storage by town
- 07
EV chargers by city
EV charging by town
- 08
Solar panel repair by city
Repair by town
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