GRAPHIC: How does a solar system work?

October 8, 2011 | 12:01 a.m. CDT
Solar systems usually don’t produce enough electricity for an average home or business in the Midwest so a back-up source of electricity is generally required. In Columbia, a customer can sign up for net metering, which allows the solar producer to either sell any excess electricity generated from the Photovoltaic system or buy electricity when it is needed.

RELATED STORIES: Columbia residents join solar energy projects to save money, environment