Can you think of something relatively inexpensive that could be put against an outside wall to reflect onto PV panels, and not lose reflectivity after a few winters? I'm thinking about what could be put on the south wall of the house, as shown below. If I'm really lucky, it might give my array a 5% boost, which isn't worth much, but would add up over time.
reflector.jpg
Thank you for your thoughts.
reflector.jpg
Thank you for your thoughts.
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