Pacific Gas and Electric Company, a subsidiary of PG&E Corporation, was established in 1905 and operates from its headquarters in San Francisco, California. This utility is responsible for the generation, transmission, distribution, and retail of electricity and natural gas to communities across northern and central California. Its power generation portfolio is diverse, drawing from nuclear, hydroelectric, fossil fuel, and solar photovoltaic sources. Furthermore, the company is actively developing a personal microgrid backup power transfer device, designed for seamless integration with its current electric SmartMeter infrastructure. Its extensive client base encompasses residential households, commercial enterprises, industrial operations, agricultural businesses, and even facilities that generate electricity from natural gas.