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Re:Solar is dirt-cheap and about to get even more powerful by bserge on Sunday July 11, 2021 @01:15AM (#27798621)
25 years until they drop below 80% efficiency afaik (newer ones are even better).

But 80% is still rather decent for home use especially if you have space for more of them. Buy dirt cheap, use for another 10-20 years.

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