The Tesla Powerwall 3 costs $15,300 before taxes including installation. With a storage capacity of 13.5 kilowatt-hours (kWh), the Powerwall has a unit cost of $1,133 per kWh. The Tesla Powerwall ...
For example, if you install an 8 kW Tesla solar roof and a Powerwall battery for $75,000, the 30% federal tax credit is $22,500, reducing your net cost to $52,500. You can get a lower price with ...