Solar Panel Savings in Tacoma, WA
Calculate how much you can save with solar panels in Tacoma, Washington. Based on 3.4 peak sun hours/day and 10.6¢/kWh average electricity rate.
3.4
Peak Sun Hours/Day
10.6¢
Avg Rate (¢/kWh)
19.8 yr
Payback Period
$3k
25-Year Savings
Tacoma Solar Overview
Calculate Your Tacoma Solar Savings
Tacoma average: $123/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
$21,554
Monthly Savings
$53
Federal Tax Credit
$5,346
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Tacoma | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $17,820 | $17,100 |
| Federal Tax Credit (30%) | -$5,346 | -$5,130 |
| Net System Cost | $12,474 | $11,970 |
| Cost Per Watt | $2.97/W | $2.85/W |
Solar Potential in Tacoma
Sun Hours vs National Average
Tacoma gets 24% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 179 sunny days per year
- Average temperature: 44.7°F — cooler temps actually improve panel efficiency
- Average roof size: 2,080 sq ft — enough for a 115-panel system
Tacoma Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $17,820 system, that's a $5,346 credit. Valid through 2032.
Washington State Incentives
Washington sales tax exemption for solar; net metering at retail rate.
Net Metering — Tacoma Public Utilities
Tacoma Public Utilities offers net metering in Tacoma. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Tacoma
2.5
Tons CO2 Offset/Year
41
Equivalent Trees Planted
0.6
Homes Worth of Energy
Based on 5,957 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 Tacoma, Washington
Tacoma, Washington receives an average of 3.4 peak sun hours per day, which, while below the national average, still makes solar a viable option with modern high-efficiency panels. With electricity rates averaging 10.6¢ per kWh from Tacoma Public Utilities, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Tacoma produces approximately 5,957 kWh per year, saving homeowners an estimated $631 annually. The system pays for itself in about 19.8 years, after which you enjoy essentially free electricity for the remaining 5+ years of the system's warranty life.
Tacoma has a solar penetration rate of 3.3% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 108 (national average: 100) is near the national average.
Other Cities in Washington
Bellevue, WA
Everett, WA
Kennewick, WA
Olympia, WA
Seattle, WA
Spokane, WA
Vancouver, WA
Frequently Asked Questions
How much do solar panels cost in Tacoma, WA?
The average cost of a 6kW solar panel system in Tacoma is approximately $17,820 before incentives ($2.97/watt). After the 30% federal Investment Tax Credit, the net cost is about $12,474. Washington sales tax exemption for solar; net metering at retail rate.
How many peak sun hours does Tacoma get?
Tacoma, WA receives an average of 3.4 peak sun hours per day and approximately 179 sunny days per year. While below the national average, solar panels can still provide significant savings due to advancing panel technology.
What is the solar payback period in Tacoma?
The average solar payback period in Tacoma is approximately 19.8 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 $3,301.
Does Tacoma have net metering?
Yes, Tacoma has access to net metering through Tacoma Public Utilities. 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 Tacoma, WA?
Solar can still be worthwhile in Tacoma, especially with rising electricity rates. The 19.8-year payback means long-term savings of $3,301 over the system lifetime. The 30% federal tax credit and local incentives help make solar financially attractive.