Randy Pinocci, PSC Commissioner Published 3:22 p.m. MT April 29, 2019 | Updated 4:30 p.m. MT April 29, 2019 Hydropower is America’s largest generator of renewable energy. Beyond clean, affordable, reliable and renewable energy, hydro also provides Montana ratepayers with flood control, irrigation and recreational opportunities. The Montana Public Service Commission protects Montana ratepayers from utility monopolies by ensuring that regulations are applied and enforced.