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The EG4 is just a battery, the Powerwall includes an inverter etc. Not that adding a $1000 inverter to the EG4 battery will change your point much.


What kind of BMS do you like?

Do home systems do thermal control?


You don't need to care about that anymore it is rolled up into the battery product.


this is wild, are there companies in the US installing this?


It's just for the bits and pieces. I wouldn't be intimidated as it is basically plug and play at this point.

The marketing, installation and paperwork triple or even quadruple the price as people way $whatever to not deal with it. Being a sparky is way more lucrative than even a plumber.

We picked the wrong career I tell you.

Here's the same fellow from above showing off the latest panels: https://www.youtube.com/watch?v=v33nbi7gKcY

From his perspective it is down to $0.27 per watt.

In order to fill up those 14Kwh batteries you'll need fewer than 10 panels (400watts per panel, x4 hours sunshine). So less than $1,000.

The inverter is less than $1,000.

And the battery is heading to below $3,000.

YouTubers like MKBHD have videos up where they paid six figures for their setups and wonder whether it is worth it due to the long payback heh. I know not fair comparison whatever, we're just talking.

I have no idea what to do about NIMBY type problems but you can setup an off grid cabin somewhere with all the creature comforts very very easily now.


I have the whole solar setup already (financed at 1% so it was 100% worth it) but I don't have batteries, biggest problem for me i guess would be to do all the paperwork to have this sorted out.

If being a sparky didn't require apprenticeship i'd definitely consider that, the amount of money i've paid for these services have convinced me I'm not in the right field and i make high six figures as an engineer :(


How do you DIY install this on your house, legally, though?




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