A visit from the power company brought in the police.
Cops seized 2,000 cannabis plants from a Fremont warehouse on Friday.
PG&E informed police that the power box had been bypassed on a warehouse in the 37500 block of Glenmoor Drive, according to reports.
Fremont police investigated "a strong smell of marijuana" and then searched -- to find 2,000 plants, the news agency reported.
Two suspects who were working at the grow site were arrested.