- As more Australians per capita have solar installed on their homes than anywhere else in the world, and as feed-in-tariffs (FiTs) continue to fall around the country, more Australians are turning to batteries to store their excess solar energy. But is Tesla Powerwall worth it in 2022? https://naturalsolar.com.au/tesla-powerwall/is-tesla-powerwall-worth-it-in-2022/ 8 comments energy