battery for solar installation is at the point where between 2-6hrs of capacity can be economical viable.
Maybe in a few more years/decade/s we will reach a point where in some places in the world it will be economical viable to have exclusive solar and battery, and that assuming prices will continue to drop and that there won't be any resource or physical limitations. Then we got colder climates where solar + battery is unlikely to ever become viable. Exports of solar generated green hydrogen could solve that assuming that the technology for that becomes cheap enough.
Multiple different directions where specific technologies could be economical dominant in the future.
Maybe in a few more years/decade/s we will reach a point where in some places in the world it will be economical viable to have exclusive solar and battery, and that assuming prices will continue to drop and that there won't be any resource or physical limitations. Then we got colder climates where solar + battery is unlikely to ever become viable. Exports of solar generated green hydrogen could solve that assuming that the technology for that becomes cheap enough.
Multiple different directions where specific technologies could be economical dominant in the future.