Skip to content

Interactive estimator

Solar Savings Calculator

Enter a few details about your home. We'll estimate your system size, annual savings, payback period, and environmental impact — instantly.

Estimates are illustrative and based on Pacific NW averages. A HELIO consultant will provide a precise quote for your property.

Your home details

Your average electric bill before going solar

$180
1,800

Roof sun exposure

Optional additions

Get a precise quote →

Your estimated results

13.6 kW

Recommended system

33 panels

$2,144

Year 1 savings

17,870 kWh generated

13.8 yr

Payback period

After 30% federal ITC

$76,995

25-year savings

Incl. 3.4%/yr rate escalation

Estimated system cost$42,160
Federal ITC (30%)−$12,648
Net cost after ITC$29,512

Pricing based on Pacific NW averages. Your quote may vary.

Cumulative savings vs. system cost

Orange line = system cost after ITC. Green area = cumulative savings over 25 years.

 Cumulative savings  Net system cost

Environmental impact

6.4t

CO₂ offset per year

161t

CO₂ over 25 years

306

Tree equivalent/yr

CO₂ factor: 0.36 kg/kWh (EPA Pacific NW grid average). Tree absorption: 21 kg/tree/yr.

Ready for a precise quote?

A HELIO consultant will confirm these numbers for your exact roof and utility.

Get My Quote