How long does a solar inverter last? What’s the replacement cost?

Inverter warranties are 10-15 years, depending on the make and model. Inverter replacement costs are hard to forecast 15 years out. The inverter manufacturers are just now starting a price war similar to what the solar panel manufacturers went through over the past three years. So costs for equivalent models will likely fall considerably over […]

Do I have to clean my solar panels?

We had this question from a customer: Given that there isn’t too much rain to help with the cleaning, what is the typical solar panel maintenance attention that you would anticipate – is solar panel cleaning just typically wetting them down with hoses, or hand scrubbing? Dust obviously and a lot of birds out there. […]

Solar power during a utility blackout

“What about solar during a utility failure?” For safety, grid interactive solar systems are designed to immediately disconnect and shut off if a utility grid failure is sensed. The system will automatically restart a few minutes after grid power is restored. As a result, no power will be available from the solar panels during utility […]