With so few customers (and no new ones allowed), it’s not surprising that the DC distribution system in San Francisco isn’t widely known, but it’s not a secret.

With so few customers (and no new ones allowed), it’s not surprising that the DC distribution system in San Francisco isn’t widely known, but it’s not a secret. Regulated electric utilities like PG&E provide their services pursuant to tariffs, and this is no exception. See Tariff A-15, “Direct-Current General Service,” on the PG&E website: http://www.pge.com/tariffs/tm2/pdf/ELEC_SCHEDS_A-15.pdf http://www.pge.com/tariffs/tm2/pdf/ELEC_SCHEDS_A-15.pdf They just raised the rates, too.