Yes, you have to analyze the embodied energy, but solar panels are energy positive within 1-2 years these days: https://www.quora.com/How-much-more-energy-do-so

Yes, you have to analyze the embodied energy, but solar panels are energy positive within 1-2 years these days: https://www.quora.com/How-much-more-energy-do-solar-panels-produce-in-their-lifetime-than-is-used-to-make-them-How-does-this-energy-return-on-energy-investment-compare-with-other-technologies https://www.quora.com/How-much-more-energy-do-solar-panels-p... It's really a no-brainer up to a certain amount of your grid mix (and that amount can be quite high).