STC vs Real-World PV Yield

Solar Panel Output Calculator

Determine actual net power output (Watts) and daily yield (Wh) after accounting for summer heat coefficient, dust, and inverter derating.

Panel Specifications

Provide panel STC rated wattage and environmental factors.

Panel STC Rated Power (Watts)

Number of Panels

Summer Roof Temp (°C)

Peak Sun Hours / Day

Actual Real-World Daily Yield

15.4 kWh/day

15,360 Wh Net Daily Energy

STC Nameplate Rating: 4,000 Watts DC

Real-World Peak Power: 3,200 Watts DC (80% PTC)

Est. Monthly Production: 468 kWh / month