In this Friday, Jan. 11, 2013 photo, PG&E employee Art Liscano, 66, reads a meter at a house in Clovis, Calif. The number of meter readers in the U.S. fell from 48,000 in 2000 to 36,000 in 2010. Every day, PG&E replaces 1,200 old-fashioned meters with digital versions that can collect information without human help, generate more accurate power bills, and even send an alert if the power goes out. (AP Photo/Gosia Wozniacka)

Associated Press
In this Friday, Jan. 11, 2013 photo, PG&E employee Art Liscano, 66, reads a meter at a house in Clovis, Calif. The number of meter readers in the U.S. fell from 48,000 in 2000 to 36,000 in 2010. Every day, PG&E  replaces 1,200 old-fashioned meters with digital versions that can collect information without human help, generate more accurate power bills, and even send an alert if the power goes out.  (AP Photo/Gosia Wozniacka)
In this Friday, Jan. 11, 2013 photo, PG&E employee Art Liscano, 66, reads a meter at a house in Clovis, Calif. The number of meter readers in the U.S. fell from 48,000 in 2000 to 36,000 in 2010. Every day, PG&E replaces 1,200 old-fashioned meters with digital versions that can collect information without human help, generate more accurate power bills, and even send an alert if the power goes out. (AP Photo/Gosia Wozniacka)
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