Solar power plants can last 40 years or more

Did you know that when a solar power plant is built, it's usually backed by a power purchase agreement with a customer that lasts 20 to 25 years. But that doesn't mean such plants will be worthless two decades later. Not only will solar panels last 40 to 50 years, but the infrastructure around a solar power plant has a lot of value. Solar panels could be replaced with new, more efficient modules at relatively low cost, thus improving performance, but once a site is established and the infrastructure is built, a  solar power plant has a very long effective lifespan.