Changes

==RetrementCoal retirement==In November 2010, Xcel said it was considering shutting down its coal-fired 192 MW Unit 5 at he the power station, which is coal-fired, as part of a plan to cooperate with the Clean Air-Clean Jobs Act that had been signed into law by then-Gov. Bill Ritter.<ref>Mark Jaffe, [http://www.denverpost.com/business/ci_16539428 "Nation watching Xcel's plans for aging coal-fired power plants"] The Denver Post, Nov. 7, 2010.</ref> The unit is planned  Originally targeted for retirement in closing by the end of 2017,Xcel reported that it stopped burning coal on March 3, 2017<ref>[httpshttp://bouldercoloradowww.govdailycamera.com/news/energyboulder/ci_30908880/xcel-no-more-coal-burning-at-future/valmont-generatingplant Xcel: No more coal-station "burning at Valmont Generating Station,"plant in Boulder] City of Boulder, accessed March 2016</ref> and was retired in March , leaving only gas-fired power generation. In November 2017, some 1600 fish were removed from the Valmont Reservoir to facilitate work on the adjacent coal ash ponds.<ref name=ab>[http://www.dailycamera.com/news/boulder/ci_31620396/xcel-energy-transfers-fish-boulder-valmont-plant Xcel Energy transfers hundreds of fish from Boulder's Valmont power plant]</ref>