How does your electric boiler ONLY consume off peak electric rates? Do you use glycol? if so that reduces your thermal transfer efficency and will increase installation costs. The additional cost of purchasing a generator is no small price. There are tradoffs. every system has it’s positives and negatives.
Silly Person.
Facts and Logic, have no meaning to these Marxist Eco-Terrorists....
your supposed to freeze in the dark...
just let that Greenie (I love the Earth) fweeling keep you warm. /s