Find out how many kWh solar on your roof could produce each year here: https://pvwatts.nrel.gov This video is designed to help …
source
Find out how many kWh solar on your roof could produce each year here: https://pvwatts.nrel.gov This video is designed to help …
source
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Calculation is wrong when you apply charging efficiency.
Not : 5000 x 0.8 = 4000
Correct : 5000 / 0.8 = 6250
Great video! I wanted to share a simple calculation that helps estimate your energy production or system size without having to use software.
Phi x Watts = kWh and
kWh / Phi = Watts
In your example 4,000kWh / 1.618 (Phi) = 2,472-watts (~2.5kW)
How much does it cost to break even over the long years? It its cost over 20 years or more to break even its not worth the investment…….
This is great. You can do the same thing but using the PW3 to see if a battery is worth it for you home.
I have 13KWp solar panels, and ~60KWH of battery.
On the average, my solar panels generate about 60KWH.
My EV consumes about 5~10KWH of electricity every day 5 days a week.
My solar is very enough for EV charging and home use.
I am building an off grid solar EV station. I decided to use 8x550W bi-facial solar panels with a 50V 5kW LiFEPO4 battery and a 220V inverter-charger. Just about to realize this dream of driving on solar energy.