Unfortunately it has been some years since Maine has offered rebates for solar arrays. However, the Federal Tax Credit of 26% is still available in 2020. Please consult your tax advisor to determine if you are eligible to take advantage of the federal tax credit.
As an electrical appliance, the heat pump will not work in a power outage unless you have a generator or home battery system. When the power comes back on, heat pumps restart to the mode they were in before the outage.
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