// multi-utility computation suite · offline · instant · precise
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sci.solar-PV-yield-annual Calculator
Calculates annual solar PV energy yield from panel rated power, irradiation resource (kWh/m²/year), and system performance ratio. System PR = 0.75–0.85 accounts for temperature losses, DC/AC conversion, soiling, and wiring — a 5 kWp system at 1,200 kWh/m²/year with PR = 0.80 yields 4,800 kWh/year.
Inputs
P Peak Kw
Rate of energy transfer (W). P = V×I (electrical). P = F×v (mechanical). 1 horsepower ≈ 746 W.
Psh Hr Day
Reference formula or conversion factor shown for context.
Pr Performance Ratio
Reference formula or conversion factor shown for context.
Degradation Pct Yr
Reference formula or conversion factor shown for context.
Results
year 1 energy yield (kWh)
Sample size or count used in the calculation.
10-year cumulative yield (kWh)
The value at the specified point or condition.
25-year cumulative yield (kWh)
The value at the specified point or condition.
specific yield (kWh/kWp)
Reference formula or conversion factor shown for context.
E = P_peak × PSH × 365 × PR
Reference formula or conversion factor shown for context.