SolPanSun - solar factsShort, fact-checked fun facts about solar panels.https://solpansun.com/Solar is the cheapest electricity in historyhttps://solpansun.com/facts/cheapest-electricity/https://solpansun.com/facts/cheapest-electricity/In good locations, solar now produces some of the lowest-cost power ever recorded.Wed, 24 Jun 2026 00:00:00 GMTA panel repays its own making energy in a few yearshttps://solpansun.com/facts/energy-payback-time/https://solpansun.com/facts/energy-payback-time/Most rooftop panels generate the energy used to build them back in about one to four years.Wed, 24 Jun 2026 00:00:00 GMTThe first real solar cell was born in 1954https://solpansun.com/facts/first-silicon-cell-1954/https://solpansun.com/facts/first-silicon-cell-1954/Bell Labs built the first practical silicon solar cell in 1954, at about 6% efficiency.Wed, 24 Jun 2026 00:00:00 GMTSolar panels have zero moving partshttps://solpansun.com/facts/no-moving-parts/https://solpansun.com/facts/no-moving-parts/Nothing inside a panel spins or slides, which is why warranties run about 25 years.Wed, 24 Jun 2026 00:00:00 GMTOne hour of sunlight could power the world for a yearhttps://solpansun.com/facts/one-hour-of-sun/https://solpansun.com/facts/one-hour-of-sun/The sunlight hitting Earth in about an hour holds roughly a year of global energy use.Wed, 24 Jun 2026 00:00:00 GMTSolar panels actually like the coldhttps://solpansun.com/facts/panels-like-the-cold/https://solpansun.com/facts/panels-like-the-cold/Panels run on light, not heat, and lose a little efficiency when they get hot.Wed, 24 Jun 2026 00:00:00 GMTThe same tech on your roof runs the space stationhttps://solpansun.com/facts/solar-runs-space/https://solpansun.com/facts/solar-runs-space/The ISS and most satellites rely on big solar arrays, the same basic idea as a home panel.Wed, 24 Jun 2026 00:00:00 GMT