Is it really a need… or what?
The reality is more likely about convenience and/or comfort.
Many people, living modern lifestyles, will use as much as 30KW/h per day, in a few cases even higher than that. Though how much power do you really need to keep all your modern conveniences?
Truth be told you need a lot less than you think, if you are willing to downsize your living space. Lets go through everything.
Total Usage (nnKW/h per day):
We will have to include conversion losses. while some things are 12 volt, and thus minimal conversion losses I still calculate high by calculating inverter loss in with everything. It is always best to figure high so you will have enough power. The conversion and transmission losses on solar include (in most cases):
- Inverter Conversion, about 15%.
- 18 hours per day from battery, so storage losses 10%.
- Transmission loss 10%.
So we figure high and say 40% overall loss, thus requiring 1.8 times more production that…
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