SAN MATEO, Calif. (KGO) -- San Mateo Senator Jerry Hill has launched an investigation into rate hikes by PG&E after local customers complain.
Some residents reported that their rates doubled or even tripled in recent weeks.
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Similar rate hikes have been reported throughout the Bay Area and Sacramento valley.
PG&E says the hikes are likely because of last year's rate hikes, and increased use in the winter.
This is an undated image of an electrical meter. (KGO-TV)