Solar panel cost in Mount Pleasant, SC (2026)
A typical Mount Pleasant home needs about a 9.5 kW system (~24 panels), costing roughly $27,075 upfront or $24,075 after state incentives. The 30% federal credit ended for purchases on Dec 31, 2025 (a lease/PPA can still pass it through). At 4.8 peak sun hours and South Carolina's 14.3¢/kWh rate, it pays back in about 12.6 years and saves an estimated $40,650 over 25 years.
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| Annual electricity use | 13,343 kWh |
| Annual solar production | 13,315 kWh |
| Gross system cost | $27,075 |
| Federal tax credit (purchase) | Ended Dec 2025 |
| State / local incentives | – $3,000 |
| 30% via lease/PPA instead | ~$8,123 value |
| CO₂ avoided per year | 4.7 tons (~78 trees) |
Estimates only — not a quote or financial advice. See our methodology.
What makes Mount Pleasant different
Mount Pleasant (population ~81,317) gets 4.8 peak sun hours per day — that's 4% less sunny than the South Carolina average of 5. Slightly less local sunlight means panels produce a touch less than the state average, so sizing and orientation matter. Electricity rates, net metering, and incentives are set at the South Carolina level: residents pay about 14.3¢/kWh, and 25% state tax credit (up to 50% liability/yr) + net metering.
| City peak sun hours | 4.8 hrs/day |
| Recommended system size | 9.5 kW (~24 panels) |
| Installed price per watt | $3/W |
| Gross system cost | $27,075 |
| Federal tax credit (purchase) | Ended Dec 31, 2025 |
| State / local incentives | – $3,000 |
| Net cash cost | $24,075 |
| 30% credit via lease/PPA | ~$8,123 value |
| Annual energy produced | 13,315 kWh |
| Estimated year-1 savings | $1,904 |
| Payback period | 12.6 years |
| 25-year net savings | $40,650 |
| CO₂ avoided per year | 4.7 tons (~78 trees) |
Compare with the South Carolina state average (9.1 kW, $22,935 net, 12.1-yr payback). Modeled estimates, June 2026 — not a quote. See methodology.
Compare real solar quotes in Mount Pleasant, SC
See actual prices from vetted local installers — including lease and PPA options that still capture the 30% credit in 2026. Free, no obligation.