Colorado should ignore SMRs and carbon capture ‘and focus on renewables’

  • Gas
  • October 17, 2025

Colorado should not pursue small modular reactors or carbon capture and storage projects but opt for quickly installed renewable energies, according to a report from the think tank, The Institute for Energy Economics and Financial Analysis (IEEFA).

Public Service of Colorado (PSCo) is currently assessing options for how to replace output from Unit 3 at the coal-fired Comanche power plant in Pueblo, which is scheduled to shut down in 2030.

“Carbon capture is an unproven technology for gas-fired generation that often underperforms,” according to IEEFA.

“Traditional nuclear construction commonly takes far longer to build and costs significantly more than originally forecast; SMRs, which have never been built in the US, are likely to face the same problems, making them an unreliable option for meeting the current energy transition needs.”

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