Balcony Solar Panels
Latest Action: January 13, 2026
Everything you need to know about plug-in balcony solar in South Carolina: legal status, tracked bills, statutory wattage limits, utility interconnection rules, and expected monthly solar production.
Current Disposition: Balcony solar bill failed
South Carolina has no law addressing balcony solar. H. 4579 would bar homeowners association documents from prohibiting balcony solar panels and bar state and local government restrictions on their installation. It was referred to the House Labor, Commerce and Industry Committee on January 13, 2026, with no further action. The regular session ended on May 14, 2026, and each house now meets only for matters listed in its sine die resolution.
Latest Action: January 13, 2026
How much electricity will a standard plug-in solar kit produce on a balcony or patio in South Carolina? Below are monthly estimates based on local insolation levels:
| Month | Daily Peak Sun Hours | 400W Kit (1 Panel) | 800W Kit (2 Panels) |
|---|---|---|---|
| Jan | 4.0 hrs | 43 kWh | 85 kWh |
| Feb | 4.7 hrs | 45 kWh | 91 kWh |
| Mar | 5.3 hrs | 57 kWh | 113 kWh |
| Apr | 5.9 hrs | 61 kWh | 122 kWh |
| May | 5.7 hrs | 61 kWh | 122 kWh |
| Jun | 5.6 hrs | 58 kWh | 116 kWh |
| Jul | 5.6 hrs | 60 kWh | 119 kWh |
| Aug | 5.5 hrs | 59 kWh | 117 kWh |
| Sep | 5.2 hrs | 54 kWh | 107 kWh |
| Oct | 5.2 hrs | 55 kWh | 111 kWh |
| Nov | 4.4 hrs | 45 kWh | 91 kWh |
| Dec | 3.8 hrs | 41 kWh | 81 kWh |
| Annual Total | -- | ~639 kWh | ~1275 kWh |
Estimates derived from historical National Renewable Energy Laboratory (NREL NSRDB) solar radiation averages across weather stations in South Carolina, modeling an 86% system performance ratio.
Customize system orientation, local utility electric rates, and shade factors with our interactive simulator.
Open Solar Savings Simulator for South Carolina →While balcony solar kits are designed for plug-in operation, municipal permitting processes indicate solar-friendly administrative environments: