If your power gets cheaper because it's all renewables, then anyone could save up that money and use it for those situations.
But also, buying such a variable-price contract is only going to be an option. If you want a certain amount of guaranteed-price power, as an individual household, there will always be someone willing it to you.
But also, buying such a variable-price contract is only going to be an option. If you want a certain amount of guaranteed-price power, as an individual household, there will always be someone willing it to you.