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REMOTE GENERATION SITES - GENERAL DESCRIPTIONS <br />Unstaffed Substations <br />PG&E owns and operates numerous substations located throughout PG&E's system The substations <br />serve as control, monitoring, and protection points which enable PG&E to operate the electrical system <br />Most of the substations are located on land owned by PG&E. The substations range in size from a few <br />hundred square feet to several acres. Each PG&E substation is surrounded by a security fence with a <br />locked gate to restrict access. <br />Unstaffed Natural Gas Facilities <br />PG&E owns and operates numerous unstaffed compressor, dehydrator, drip, regulating, and valving <br />facilities throughout its system The stations serve as the control points for the gathering, transmission or <br />distribution of natural gas. <br />Most of the stations are located on land owned by PG&E. The sites range in size from a few square feet <br />to several acres. Each station is surrounded by a security fence with a locked gate to restrict access. <br />Unstaffed Hydroelectric Powerhouses and Associated Facilities <br />PG&E owns and operates numerous powerhouses and equipment storage areas that are used to generate <br />hydroelectric power. Hydroelectric power is generated at a powerhouse when water falls a vertical <br />distance and powers a turbine generator. Each powerhouse site is surrounded by a security fence with a <br />locked gate to restrict access. <br />Unstaffed Water Conveyance Systems and Associated Facilities <br />PG&E owns and operates water conveyance systems utilizing dams, canals, flumes, penstocks, gates, <br />weirs, and other operating equipment and areas used in the transportation of water. PG&E also maintains <br />environmental enhancement projects like fish screens and ladders for migratory species. <br />Unstaffed Fuel Oil Handling Facilities <br />Hercules Pumping Station/Fuel Oil Pipeline - 4200 San Pablo Avenue, Hercules, CA <br />The facility pumps oil products in the Richmond to Pittsburg Fuel Oil Pipeline. However the pipeline <br />was drained, cleaned and is now filled with water. Most of the oil storage tanks have been drained to the <br />lowest possible levels. It consists of eight above ground storage tanks, a control building, pipeline and <br />pumping equipment. The pipeline runs from the Chevron Refinery in Richmond to Mirant's Power <br />Plant, located in Pittsburg. The pipeline consists of 12 and 16 -inch diameter pipeline and associated <br />equipment. The Pump Station facility is surrounded by a security fence with a locked gate to restrict <br />access. <br />Unstaffed Customer Support Facilities <br />PG&E has numerous types of equipment distributed throughout its system. Installation and maintenance <br />of this equipment can generate wastes. Examples of electric support equipment are utility poles, street <br />lights, transformers, switches, capacitor banks, service shops, and meters. <br />While some of this equipment may be located on PG&E property, much of it is sited in rights-of-way <br />owned by others. <br />