Solar Panel Savings in Longview, WA
Calculate how much you can save with solar panels in Longview, Washington. Based on 3.3 peak sun hours/day and 10.1¢/kWh average electricity rate.
3.3
Peak Sun Hours/Day
10.1¢
Avg Rate (¢/kWh)
18.8 yr
Payback Period
$20k
25-Year Savings
Longview Solar Overview
Calculate Your Longview Solar Savings
Longview average: $91/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
$19,880
Monthly Savings
$49
Federal Tax Credit
$4,572
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Longview | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $15,240 | $17,100 |
| Federal Tax Credit (30%) | -$4,572 | -$5,130 |
| Net System Cost | $10,668 | $11,970 |
| Cost Per Watt | $2.54/W | $2.85/W |
Solar Potential in Longview
Sun Hours vs National Average
Longview gets 27% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 159 sunny days per year
- Average temperature: 51°F — cooler temps actually improve panel efficiency
- Average roof size: 1,699 sq ft — enough for a 94-panel system
Longview Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $15,240 system, that's a $4,572 credit. Valid through 2032.
Washington State Incentives
Solar incentive payment program.
Net Metering — Puget Sound Energy
Puget Sound Energy offers net metering in Longview. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Longview
2.4
Tons CO2 Offset/Year
40
Equivalent Trees Planted
0.5
Homes Worth of Energy
Based on 5,782 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 Longview, Washington
Longview, Washington receives an average of 3.3 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 10.1¢ per kWh from Puget Sound 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 Longview produces approximately 5,782 kWh per year, saving homeowners an estimated $582 annually. The system pays for itself in about 18.3 years, after which you enjoy essentially free electricity for the remaining 7+ years of the system's warranty life.
Longview has a solar penetration rate of 8% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 107.8 (national average: 100) is near the national average.
Other Cities in Washington
Bellevue, WA
Everett, WA
Kennewick, WA
Olympia, WA
Seattle, WA
Spokane, WA
Tacoma, WA
Vancouver, WA
Frequently Asked Questions
How much do solar panels cost in Longview, WA?
The average cost of a 6kW solar panel system in Longview is approximately $15,240 before incentives ($2.54/watt). After the 30% federal Investment Tax Credit, the net cost is about $10,668. Solar incentive payment program.
How many peak sun hours does Longview get?
Longview, WA receives an average of 3.3 peak sun hours per day and approximately 159 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 Longview?
The average solar payback period in Longview is approximately 18.8 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 $19,880.
Does Longview have net metering?
Yes, Longview has access to net metering through Puget Sound 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 Longview, WA?
Solar can still be worthwhile in Longview, especially with rising electricity rates. The 18.8-year payback means long-term savings of $19,880 over the system lifetime. The 30% federal tax credit and local incentives help make solar financially attractive.