Solar Panels for Appliances
How many solar panels do you need to run your fridge, AC, EV charger, or entire house? Each guide shows the wattage, daily kWh, and exact panel count for your location.
W
Type any value 10–750 W. Common sizes: 100 W (portable), 400 W (residential 2026), 580 W (commercial).
hrs
Don't know your PSH? Find your exact value →
Benchmarks: U.S. avg 4.98 · Phoenix 6.54 (highest) · Seattle 3.95 · Anchorage 3.17 (lowest). Above ~5.5 = sunny · 4.5–5.5 = average · below 4.5 = cloudy.
Benchmarks: U.S. avg 4.98 · Phoenix 6.54 (highest) · Seattle 3.95 · Anchorage 3.17 (lowest). Above ~5.5 = sunny · 4.5–5.5 = average · below 4.5 = cloudy.
Daily kWh production
0.00kWh
Based on a 400W panel and 4.98 peak sun hours per day
Daily
1.49kWh
average across the year
Monthly
45kWh
× 30 days
Yearly
545kWh
× 365 days
Monthly production for a 400W panel — US Average
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
kWh per month · Source: NREL PVWatts v8
202 kg
CO₂ avoided per year
0.05
equivalent US homes powered
9
trees planted equivalent
$87
estimated annual savings
Tap to see sensitivity analysisSensitivity analysis
| Scenario | Value |
|---|---|
| Low (-20%) | 1.2 kWh |
| Expected | 1.5 kWh |
| High (+20%) | 1.8 kWh |
Your daily production scales linearly with both panel wattage and peak sun hours. A 10% change in either input changes your result by 10%.