Old Solar Panels Built in the Early 1990s Are Still Going Strong After 30 Years at 80% Original Power — And That’s a Big Deal for Our Energy Future – ZME Science By Sunfazza Old Solar Panels Built in the Early 1990s Are Still Going Strong After 30 Years at 80% Original Power — And That’s a Big Deal for Our Energy Future ZME Science Brought to you by Google News. Read the rest of the article here