 In 2011, the Colorado Public Utilities Commission approved a multi-year rate plan submitted by Xcel Energy.The MRP increased the base rate that Xcel could charge, firmly set the annual increase in base rates, consolidated authority to the state's commission for annual adjustments to base rates, and prohibited any additional increases in rates.In 2019, the Public Utilities Commission of Hawaii began conducting an investigative proceeding that looked into the consideration of a five-year multi-rate plan.