Forbes contributors publish independent expert analyses and insights. Dianne Plummer is an Energy Consultant and Certified Energy Manager. Rooftop solar has become one of the fastest-growing clean ...

Learn how to size charge controllers, inverters, and solar panels already on hand with a goal of future expansion. Welcome to our series answering reader questions and concerns about how to cut the ...

There’s no shortage of advice on how to size a home solar system, but most of it assumes a suburban house with city water and a long list of optional loads. Rural homes play by different rules, and ...

Aaron Wallin installed a large solar array on the roof of his Hampton home. He's still connected to the grid as a backup, but it generates enough electricity to power his whole house. Whether you’re ...