Pushing the cost of power to $0 during the day seems worthwhile still. And panels keep making power until the sun is very low. LFP batteries have been around fo

Pushing the cost of power to $0 during the day seems worthwhile still. And panels keep making power until the sun is very low. LFP batteries have been around for morr than a decade. We just foolishly haven't pursued it in the US due to the fossil fuel industry's grip on our government and much of this country's misinformed populace.