Independent decision workspace
Your solar plan, assumptions, and next decision
Carry your numbers across Wattcrunch, compare scenarios, show realistic ranges, and create a report you can use when reviewing installer proposals.
Plan completion
0%
Your decision summary
Uncertainty, shown honestly
Planning ranges
A single estimate can imply false precision. These planning bands show how weather, shade, export compensation, electricity prices, and operating assumptions can move the outcome before a site survey and tariff review.
Annual production range
Complete solar potential
Expected estimate plus or minus 10%.
25-year savings range
Complete solar savings
Scenario band, not a guarantee.