Polis signs Colorado Grid Optimization Act
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- Gov. Jared Polis signed HB 1081 — the Colorado Grid Optimization Act — into law on May 29, 2026, requiring regulated utilities to assess advanced transmission technologies as part of their grid planning processes.
- HB 1081 directs the Colorado Public Utilities Commission to adopt rules compelling Public Service Co. of Colorado (an Xcel Energy subsidiary), Black Hills Energy, and Tri-State Generation and Transmission Association to include advanced transmission technology analysis in their biennial 10-year transmission plans.
- Utility assessments must examine how advanced transmission technologies — including sensors for dynamic line ratings, topology optimization software, advanced conductors, and energy storage — could increase import/export capacity, speed new generation hookups, and reduce wildfire risk.
- A GridLab and Utilize Coalition report released last month estimated improved grid utilization could save customers of vertically integrated U.S. utilities $110 billion to $170 billion over the next 10 years.
- The bill also requires the Colorado Electric Transmission Authority to engage with subregional transmission planning organizations, and advanced transmission technology projects involving utility line construction must meet prevailing wage requirements.
- As of March 3, 16 states had some form of advanced transmission technology requirement and two more were considering them, per the State Policy Climate Dashboard by Climate XChange, with California, Indiana, Massachusetts, and Minnesota deemed "model states."
Why it matters: The law binds three of Colorado's largest utilities to formally weigh grid-enhancing technologies against new build-outs, and arrives as a GridLab/Utilize Coalition report pegged potential U.S. customer savings at $110B–$170B over a decade. Colorado is now one of 16 states with such requirements, signaling that squeezing more capacity from existing lines is becoming standard utility-planning practice rather than a pilot concept.
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