The lights came back on in West Marin last week, but the economic impact from recent power shutoffs by Pacific Gas and Electric will be felt for months.

When power was restored for most of the county last Wednesday, the towns of Marshall, Tomales and Dillon Beach remained without for another two nights. During the shutoff, Tomales and Dillon Beach also dealt with an influx of evacuees from Sonoma County, where 186,000 people fled their…