It's very seasonal for both. But we're currently better at storing wheat for 6 months than we are at storing electricity for a similar period.
Whether you store it or not, getting free energy from the sun for half the year is better than getting no energy from the sun. Every marginal reduction in fossil fuel usage helps.
Whether you store it or not, getting free energy from the sun for half the year is better than getting no energy from the sun. Every marginal reduction in fossil fuel usage helps.