Low-Light Performance Comparison

Data profile: Typical cloudy April day (German Manufacturing Facility)

🌅
Morning Startup
TOPCon starts 45m earlier
☁️
Midday Cloud Cover
TOPCon yields +12% output
🌇
Evening Shutdown
TOPCon runs 45m longer
Annual Low-Light Advantage
Based on 200 cloudy/overcast days per year
Daily Extra Energy: 18.7 kWh
Annual Total: 3,740 kWh
Value (@ €0.28/kWh): €1,047 / yr
30-Year Value: €31,410
"We run two shifts. That extra morning and evening production meant we could defer turning on our backup diesel generator. TOPCon paid for itself in ways we didn't anticipate."
— Factory Manager, Bavaria