The term SUN. DELIVERIES is a job description for a SERS, which stands for Solar Energy Resource Specialist. This position involves the delivery of solar energy resources to customers, such as solar panels and other related equipment. The SERS is responsible for ensuring that the solar energy resources are delivered in a timely and efficient manner. They must also ensure that the solar energy resources are installed correctly and safely. Additionally, they must provide customer service and technical support to customers.