We (well, my partner Jesse) bought a pallet of solar panels. Guaranteed to still have 90% of their capacity in 40 years1, they’ll cover all our household energy needs—powering our kitchen, heating our water, charging our electric car2—for the rest of our lives.The pallet of solar panels. Jesse for scale.We've already been using 40-year-old panels to power our kitchen, proving that aging solar tech keeps on ticking. And while our battery system to store our solar energy will need to be replaced ...