How long will solar panels last you? The average warranty guarantee’s a panel’s lifespan to be at least a couple generations. “Even adding in the cost of a replacement inverter (or several, if micro-inverters are used instead) over the life of a solar energy system, the return on investment for solar is still better than many places you can put your money, and has the added benefit of essentially locking in your electricity prices for years to come.” Boiling things down, the average investment in solar panels will show a return on your investment in about 10 years or less. [ Read the story here ]
