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Colorado and New Mexico authorities show how public-private transmission tools accelerate build
Summary
Officials from Colorado's Electric Transmission Authority and New Mexico's Renewable Energy Transmission Authority described public-private acquisition, revenue-bond financing, corridor planning and limited eminent-domain powers that have helped move multi‑gigawatt projects such as Western Spirit and SunZia toward completion.
Representatives of two Western transmission authorities told Montana27s interim committee that quasi-governmental authorities can help overcome market and permitting barriers to large high-voltage lines.
Maury Galbraith, executive director of Colorado27s Electric Transmission Authority (CETA), described CETA as a state-created quasi-governmental transmission developer with a nine-member board appointed by the governor and legislative leaders. CETA27s tools include corridor identification, revenue bonding and the ability to enter public-private partnerships; the authority can also, in limited circumstances, use eminent domain for right-of-way acquisition. He said CETA chose a 20-year statewide transmission study and a prioritization process to identify lines that would add meaningful regional connectivity and that are unlikely to be built absent a dedicated authority.
Lynn Moskolar, executive director of the New Mexico Renewable Energy Transmission Authority (RETA), described that authority27s decade-long work to site and enable projects including Western Spirit (completed, 2021), SunZia (under construction) and other export-focused lines. RETA uses acquisition, co-development and lease arrangements with private developers; when it acquires a project it can convey tax benefits and provide a stable permitting interlocutor with state land offices and tribes. Moskolar emphasized community engagement, and said RETA27s first projects were structured to avoid transferring costs to New Mexico ratepayers (export projects paid by project developers and off-takers).
Both presenters emphasized careful project selection: authorities look for projects that would not otherwise advance due to market failures, cross-jurisdictional uncertainty or financing gaps. They also noted the roles for corridor planning, early stakeholder outreach, and bonding to lower financing costs for groups of municipal/cooperative utilities that otherwise lack the balance sheet to participate in large builds.
Committee members asked whether these authorities changed how costs ultimately show up on retail bills. Presenters said many authority-led projects are financed and underwritten by project developers and offtakers; however, some reliability-driven projects that enter organized markets may be subject to cost allocation rules that spread costs regionally. When a build is intended primarily for exports, developers typically structure financing so that the economic burden falls on out-of-state purchasers.
What happens next: committee members said they will consider an authority concept and requested follow-up materials about statutory language, workplace/community engagement principles, bond models and any state-level constraints that Montana should anticipate.
