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Commercial solar ROI calculator

What is your solar
asset actually worth?

Enter your system details and we'll calculate exactly what soiling and neglect are costing you every year — and what active management would return.

Results in under 60 seconds
No obligation
10+ years solar industry experience
Step 1 of 2 — Your system

Tell us about your solar asset

Adjust the inputs to match your system — your ROI updates instantly.

50 kW
32 ¢/kWh
70%

Percentage of solar used on-site vs exported to the grid

4 yrs
Annual output loss from soiling
$—
— kWh lost per year
WattNext 3-yr contract cost —
Annual value recovered —
Net 3-year return —
Contract ROI —
System running at —% of potential
After WattNext service ~95% of potential
—

Figures are estimates based on industry averages. WattNext measures actual output before and after every service.

Step 2 of 2 — Request your inspection

Book your free
site inspection

We'll visit your site, review your monitoring data, and give you a written assessment of what your system is losing — at no cost and no obligation.

Your system ROI summary
Annual loss from soiling
—
3-year net return
—
Contract ROI
—
Contract payback
—
System details you entered
System size—
System age—
Electricity rate—
Self-consumption—
Last serviced—
Property type—

Inspection requested

We've received your request and will be in touch within one business day to confirm your site inspection time.

Based on what you entered, here's what we're coming to fix:

—
Annual output loss we'll recover
—
Estimated 3-year net return
—
Return on your contract investment
—
Estimated contract payback period
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