// multi-utility computation suite · offline · instant · precise
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env.solar-potential Calculator
Estimates daily solar energy generation potential from roof area, panel efficiency, and local peak sun hours, giving a realistic kWh output figure that accounts for system losses. Most solar calculators assume 80% derate factor for real-world conditions.
Inputs
Area
Two-dimensional surface extent (m²). For complex shapes, break into simpler sub-shapes and sum.
Irr
Reference formula or conversion factor shown for context.
Eff
Useful output divided by total input, as a percentage. 100% is impossible due to losses (heat, friction, resistance).
Price
Amount per unit of time or per unit quantity. Check the denominator before interpreting.
Results
daily generation (kWh)
The proportional relationship between two quantities.
annual generation (kWh)
The result expressed on a per-year basis.
annual savings
Total money or resources saved compared to the baseline or alternative scenario.
CO₂ avoided (t/yr)
Reference formula or conversion factor shown for context.
payback period est.
Time to recover the initial investment from cumulative cash flows. Most firms target 2–5 years. Does not account for the time value of money — use discounted payback for rigour.
25-year net savings
Total money or resources saved compared to the baseline or alternative scenario.