This week PacifiCorp’s 2023 IRP shows that large US investor owned utilities are getting the message about decarbonization, with significant upward trends announced in energy storage, long duration storage, pumped hydro and both wind and solar accelerations. This process has been going on at the Berkshire Hathaway owned PacifiCorp for the best part of 4 years now, and its Integrated Resource Plan is now virtually impossible to recognize from pre-2020 days. We last looked in depth at this company in May 2020 when it issued its first large RFP for solar, some 1.8 GW of it, along with 595 MW of energy storage and 1.9 GW of wind energy. We made the point at the time that prolonged exposure to…