EIM Lands Xcel, 3 Other Colo. Utilities December 18, 2019 By Rich Heidorn Jr.Xcel Energy, Black Hills Colorado Electric, Colorado Springs Utilities and Platte River Power Authority announced they will join CAISO's EIM as soon as 2021. | State of Colorado Tell us who you are,get 2 free articles each month. What do you want to know? Want a free trial instead? Click here.Already convinced? View pricing and plans.Already a subscriber? Log in here. Additional news on this topic: North Carolina: Duke Energy Carolinas Seeks Energy Efficiency Rate IncreaseDuke Energy Carolinas filed a request with the North Carolina Utilities Commission Wednesday for an increase in rates to cover its energy-efficiency programs. Northeast Utilities Rebranding as Eversource EnergyNortheast Utilities, the holding company that operates six electric and gas distribution companies in three New England states, has announced a top-to-bottom rebranding by changing its name to Eversource Energy. Arizona Public Service, Puget Sound Energy Begin Trading in EIMArizona Public Service and Puget Sound Energy began transacting in the Western Energy Imbalance Market on Oct. 1, bringing the region’s only real-time market up to five members. Leave a Reply Cancel replyYou must be logged in to post a comment.