System Configuration
Panel Wattage (STC)
W
300
350
400
450
500
550
STC = 25°C, 1,000 W/m². Real output is lower.
Number of Panels
panels
8.00 kW
DC Capacity (STC)
Temperature Coefficient (Pmax)
%/°C
-0.26
-0.35
-0.40
-0.50
NOCT
°C
Nominal Operating Cell Temp from datasheet. Typical: 40–47°C.
Location & Irradiance
State
— Select state —
Peak Sun Hours
hrs/day
NREL state average — overridable
Irradiance Condition
Peak Sun (1,000 W/m²)
Average Real-World (800 W/m²)
Partly Cloudy (600 W/m²)
Overcast (200 W/m²)
Custom
Custom Irradiance
W/m²
Real-World Conditions
Ambient Air Temperature
°F
°C
°F
59°F
68°F
77°F
95°F
104°F
Estimated Cell Temperature:
—
Shading Factor
3%
Slight shade — typical suburban roof
Soiling / Dust Loss
2%
Light soiling
Advanced Settings
Inverter Efficiency
%
Hybrid 94
String 96
Micro 97
DC Wiring Losses
%
AC Wiring Losses
%
Module Mismatch Loss
%
Annual Panel Degradation
%/yr
System Age
years
Peak DC Output (Real-World)
—
vs. STC nameplate rating
Usable AC Output
—
Daily
—
kWh/day
Monthly
—
kWh/mo
Annual
—
kWh/yr
—
Cell Temperature
—
Temp. Power Loss
Production Loss Waterfall
Monthly Energy Production (kWh)
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