The horses on a Bainbridge Island farm have no idea they're sort of energy celebrities, or that the same sun that's growing their favorite food is now also powering the barn in which they live.

Cathy Blossom, the property owner, recently installed 150 solar panels on top of the barn and covered riding arena.

It immediately became Puget Sound Energy's largest residential solar project.

"It's exciting to have all those panels up there and to know that we're making a contribution to renewable energy and we've been able to keep our trees," Blossom said.

Blossom is now part of PSE's net metering program. If she produces more energy than she uses, it goes on the area's power grid so that when she needs to take some back during cloudy days, she'll be credited what she gave.

PSE has seen its numbers of solar customers double in just three years, from 3,000 to 6,000.

For more information on solar power and net metering, visit here.