Companies Berkshire Hathaway Energy holding company Parent companyBerkshire Hathawayfounded 1955SubsidiariesPPacifiCorpElmorefounded 1893, dissolved 1912MMidAmerican Energy Companyfounded 1995IIntegrated Utility Services UKfounded 1996HHomeServices of Americafounded 1998NV Energyfounded 1999AltaLinkfounded 2002OwnsBYD Companyfounded 10 February 1995 From Wikipedia and Wikidata (public domain), updated daily.