Tesla Powerwall 3 ‹ Return to Tesla Powerwall 3 in 2024? Release Date, Specifications, Cost. Posted on April 6, 2018 by Mike — No Comments ↓ Tesla Powerwall 3 Release Date, Specs, Cost, and Rumors. Tesla Powerwall 3 Release Date, Specs, Cost, and Rumors. Read More Solar News: Tesla Powerwall Rebate in 2023 – Australia Tesla Solar Roof Shingles in Australia Tesla in 2019 – What to expect – solar implications.