Solar Energy Calculator
Estimate your solar energy production based on location, panel specifications, and system parameters.
Location
Set your location to fetch solar irradiance data.
System Parameters
Configure your solar panel system specifications.
Monocrystalline — 400W
Generic specs for this technology type | 25-year typical warranty
Power
400 W
Efficiency
21.0%
Est. Price
$360
Temp. Coeff
-0.35%/°C
25-yr Output
87.0%
Price/W
$1
Example products using this technology
REC Alpha Pure-R 430W
430W | 22.3% | $420
SunPower Maxeon 6 420W
420W | 22.7% | $510
LG NeON H 400W
400W | 21.8% | $380
Canadian Solar HiHero 445W
445W | 22.5% | $350
30°
0° = flat, 90° = vertical
180° (S)
N (0°)E (90°)S (180°)W (270°)N (360°)
0% shaded
0% = no shade, 100% = fully shaded
14%
Includes wiring, inverter, soiling, and other losses (14% typical)
System capacity:4.0 kW
Set your location and select a panel to see production estimates.