RICHMOND HILL — Chris Fettes didn’t suppress his excitement Monday about Coastal Electric Cooperative’s new facility. During the cooperative’s membership-appreciation day event at its new customer-service and solar-energy resource center at 3700 Highway 17, Fettes — Coastal Electric’s vice president of engineering and operations — smiled while telling the audience how the facility is between two Interstate 95 interchanges and right along a well-used highway. “We always talk about why Coastal Electric came to Richmond Hill.