[zaroth]

You would need about 6kW of solar to fully cover that usage right? So about $15k-$20k over 20 years financed at 0% would be about $2-$2.75 a day.

If we could get a 6kW solar plus a 40kWh battery all packaged and installed with a 20 year life for $10k then we’re at $1.35 a day. I think we’ll get there in the next 10-15 years (inflation adjusted).

In this case you almost don’t need an electric grid for residential use — and actually it gets very hard to even support one once enough people transition. So it’s a radical departure from the current model.

[zbrozek]

I currently have 4 KWp installed and aimed badly, but also a 10 KWh battery pack. My total expenditure to achieve that was <$5000 and it's supplying the majority of my needs. I have plenty of panels remaining to put up as soon as my re-roofing is done. I need to increase the battery capacity. I bought used and installed myself.

[zaroth]

Super impressive, that’s a lot of installed energy capacity for < $5k!

Is the $5.66 / 18.85kWh = $0.30 per kWh factoring in how much was your own supply?

$0.30 is about what I pay in MA for Generation plus Supply plus Taxes & Fees all together, and MA is on the higher side for energy costs in the US. Still very happy to be driving a Tesla right now though.

[zbrozek]

$0.30 was my marginal utility rate, now $0.32. Thanks, PG&E.

My own supply is marginally free.