PG&E gradually retired its gas manufacturing facilities , although some plants were kept on standby .
In 1936 , PG&E expanded distribution with an additional 45 - mile pipeline from Milpitas .
PG&E gradually retired PG&E 's gas manufacturing facilities , although some plants were kept on standby .
In 1936 , PG&E expanded distribution with an additional 45 - mile pipeline from Milpitas .