The dollhouse-size models come with miniature props that show how poorly executed weatherization can backfire.
A new advisory board is tasked with coming up with a pilot program to finance solar projects for poorer residents.
A 2013 state law limits how much solar power schools and other entities can buy from third-party projects.
The Virginia city is the seventh nationwide to earn the Department of Energy’s Better Buildings Challenge Goal Achiever status.
In an interview with the Energy News Network, a vice president for the Virginia utility talks about the industry’s transformation.