Company to discuss service-line electrification program in clean heat plan; parties press for mapping and rulemaking
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Summary
Company witnesses told the commission they will work to develop a service-line NPA/electrification pilot and proposed discussing GIP rule changes in a pre-rulemaking; intervenors pressed for additional mapping and integrated planning tools to target NPAs and zonal electrification.
Key points: Counsel for the Colorado Energy Office and conservation advocates outlined proposals to expand ArcGIS mapping, overlay electric DSP-approved upgrades, and identify areas "prime for zonal electrification" to inform GIP NPAs. Jason Piquet said Public Service agreed to include certain mapping elements (overlaps of electric distribution with planned GIP projects, thermal-energy pilot locations) but declined to commit to identifying prime zones or transport-customer locations in the GIP, citing rebuttal testimony.
Service-line NPA: Conservation advocates urged a program to provide incentives (company and CEO testimony referenced amounts around $6,000 or an amount equal to a service-line extension) to customers replacing service laterals to support electrification. Piquet said the company is open to developing a program in collaboration with interested parties and will "include it in your next clean heat plan, which will be filed no later than 07/01/2026," and that some details (scope, whether ground-source vs. air-source heat pumps) should be refined in the clean heat proceeding.
Rulemaking and timing: Parties asked whether a pre-rulemaking and full rulemaking could be completed in time to affect the next GIP. Piquet said pre-rulemaking is the right forum to scope topics (NPA requirements, SSI/NPA eligibility, design-day and obligation-to-serve issues) and that timing depends on scope; he suggested a year or more may be needed but that processes could be accelerated with agreement from parties or by adjusting GIP timing.
Data-sharing pilot: Piquet confirmed a Denver data-sharing pilot exists to strengthen coordination with municipalities on forecasting and planning; witnesses said follow-on work will be led by specific planning witnesses (Goodenough) and is ongoing.