South Carolina Geothermal
66 verified programs, updated 2026-08-08. 3 incentive types.
Solar Energy, Small Hydropower, and Geothermal Tax Credit (Personal)
Personal Tax CreditCommercial, ResidentialMarch 23, 2026
25% of eligible costs
Solar Energy, Small Hydropower, and Geothermal Tax Credit (Corporate)
Corporate Tax CreditCommercial, Industrial, ResidentialMarch 23, 2026
25% of eligible costs
Palmetto Electric Cooperative - Buried Treasure Rebate Program
Rebate ProgramUtility, ResidentialOctober 28, 2025
Heat Pumps (all types): $200 per ton
Duke Energy (Electric) - Residential Energy Efficiency Rebate Program
Rebate ProgramUtility, ResidentialOctober 16, 2025
Central Air Conditioner: $200 - $500 Air-Source Heat Pump: $350 - $900 Mini-split Heat Pump: $700 - $900 Geothermal Heat Pump: $2,300 - $2,500 Smart Thermostat: $125 Heat Pump Water Heater: $500 Attic Insulation & Air Sealing: $700 Duct Sealing: $350 Pool Pump: $900
Duke Energy Progress - Residential Energy Efficiency Rebate Program
Rebate ProgramUtility, ResidentialOctober 16, 2025
Central Air Conditioner: $200 - $500 Air-Source Heat Pump: $350 - $900 Mini-split Heat Pump: $700 - $900 Geothermal Heat Pump: $2,300 - $2,500 Smart Thermostat: $125 Heat Pump Water Heater: $500 Attic Insulation & Air Sealing: $700 Duct Sealing: $350 Pool Pump: $900
Santee Cooper - Residential Energy Efficiency Existing Homes Rebate Program
Rebate ProgramUtility, Residential, Multifamily ResidentialOctober 15, 2025
Heat Pumps: $40 - $80 per .5 ton Heat Pumps: $300 -$700 per system Geothermal Heat Pumps: $600 per system Smart Thermostat: $50 Duct Replacement: $500 Heat Pump Water Heaters: $400 Energy Star Refrigerator: $30 Energy Star Clothes Washer: $20 Heat Pump Pool Heater: $225 Pool Pump Motors: $100 - $275