San Diego Gas & Electric (SDG&E) is a utility company that provides electricity and natural gas services to residents and businesses in the San Diego and southern Orange County areas of California. It is a subsidiary of Sempra Energy and serves over 3.6 million people, making it one of the largest utility providers in the state. SDG&E is responsible for maintaining the infrastructure needed to deliver energy, including power lines, substations, and pipelines. The company is also involved in promoting energy efficiency and renewable energy initiatives to help reduce environmental impact and support sustainable practices in the communities it serves.