Solar Panel Savings in Mount Pleasant, SC
Calculate how much you can save with solar panels in Mount Pleasant, South Carolina. Based on 5.3 peak sun hours/day and 13.0¢/kWh average electricity rate.
5.3
Peak Sun Hours/Day
13.0¢
Avg Rate (¢/kWh)
11.7 yr
Payback Period
$16k
25-Year Savings
Mount Pleasant Solar Overview
Calculate Your Mount Pleasant Solar Savings
Mount Pleasant average: $117/mo
South-facing roofs produce the most energy
Add $8,000-$12,000 for whole-home battery backup
Annual Production
kWh/year
Annual Savings
per year
Net System Cost
after 30% ITC
Payback Period
break-even time
25-Year Total Savings
$41,228
Monthly Savings
$101
Federal Tax Credit
$5,922
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Mount Pleasant | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $19,740 | $17,100 |
| Federal Tax Credit (30%) | -$5,922 | -$5,130 |
| Net System Cost | $13,818 | $11,970 |
| Cost Per Watt | $3.29/W | $2.85/W |
Solar Potential in Mount Pleasant
Sun Hours vs National Average
Mount Pleasant gets 18% more sun than the national average.
Climate Advantages
- 221 sunny days per year
- Average temperature: 63°F — moderate climate with good solar conditions
- Average roof size: 1,648 sq ft — enough for a 91-panel system
Mount Pleasant Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $19,740 system, that's a $5,922 credit. Valid through 2032.
South Carolina State Incentives
Tax credit up to 25% (capped at $3,500).
Net Metering — Duke Energy
Duke Energy offers net metering in Mount Pleasant. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Mount Pleasant
3.9
Tons CO2 Offset/Year
64
Equivalent Trees Planted
0.9
Homes Worth of Energy
Based on 9,286 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.
Solar Energy in Mount Pleasant, South Carolina
Mount Pleasant, South Carolina receives an average of 5.3 peak sun hours per day, providing excellent conditions for residential solar installations. With electricity rates averaging 13.0¢ per kWh from Duke Energy, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Mount Pleasant produces approximately 9,286 kWh per year, saving homeowners an estimated $1,207 annually. The system pays for itself in about 11.4 years, after which you enjoy essentially free electricity for the remaining 14+ years of the system's warranty life.
Mount Pleasant has a solar penetration rate of 2.4% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 112.5 (national average: 100) means higher electricity costs, which amplifies solar savings.
Other Cities in South Carolina
Frequently Asked Questions
How much do solar panels cost in Mount Pleasant, SC?
The average cost of a 6kW solar panel system in Mount Pleasant is approximately $19,740 before incentives ($3.29/watt). After the 30% federal Investment Tax Credit, the net cost is about $13,818. Tax credit up to 25% (capped at $3,500).
How many peak sun hours does Mount Pleasant get?
Mount Pleasant, SC receives an average of 5.3 peak sun hours per day and approximately 221 sunny days per year. This is above the national average of 4.5 hours, making it an excellent location for solar energy.
What is the solar payback period in Mount Pleasant?
The average solar payback period in Mount Pleasant is approximately 11.7 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $15,607.
Does Mount Pleasant have net metering?
Yes, Mount Pleasant has access to net metering through Duke Energy. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.
Is solar worth it in Mount Pleasant, SC?
Yes, solar is a solid investment in Mount Pleasant. While the 11.7-year payback is moderate, you'll still save $15,607 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.