Based on his explanation, the company has at least some level of fault:
> my non-payment would not be a default because default is defined by a breach of contract and no such contract existed. Indeed, if anyone breached the contract, it was the solar company by not installing in the six-month period.
but they did install it in the 7th month, and we see no real hardship applied to the author, perhaps save for $200 per month lost opportunity for savings (less interest applied, would have to think that through more) ...