Colo. Rev. Stat. § 40-2-139
If the commission relies on the use of a discount rate when calculating net present value of future carbon-based fuel costs in an electric resource plan, the discount rate must not exceed the long-term rate of inflation, as determined by the commission. In determining the long-term rate of inflation, the commission shall determine an appropriate rate of inflation specifically for fuel costs.
Source: L. 2023: Entire section added, (SB 23-291), ch. 163, p. 710, § 1, effective August 7.