PGE's integrated vegetation management program

摘要

PG&E has a number of facilities where they utilize Integrated Vegetation Management, including the following facilities; Electric Transmission, Electric Distribution, Gas Transmission, Gas Distribution, Hydro, and Service Centers. These range from small facilities requiring annual bareground applications to rights-of-way that are several hundred feet wide and hundreds of miles long. Some examples of these facilities are powerhouses, switchyards, substations, dams, canals, gas metering sites, gas valve regulator sites, subject poles, service centers, and rights-of-way. These facilities are scattered throughout PG&E's service territory and range from urban areas, to agricultural areas, to the high Sierras. PG&E has 4.5 million electric customers; 3.7 million gas customers; 18,516 miles of electric transmission lines; 108,170 miles of electric transmission lines; 5,700 miles of gas transmission pipelines; 36,700 miles of gas distribution lines; 3 gas storage facilities and 1,000 substations. PG&E'sservice territory encompasses 70,000 square miles.