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If you want to store energy from your solar panels to use at night or during power outages, consider investing in a solar ...

The more solar panels you install, the more expensive your system will be. The ideal system size for your home depends on personal factors like your roof size and angle, energy usage and location.

When you think of solar panels on a home ... between $7,000 and $20,000 on average — but if you plan to stay in your home for the next decade or more, it’s likely to pay for itself.