DOE OSTI · 3376147
Queued Up: 2026 Edition, Characteristics of Power Plants Seeking Transmission Interconnection As of the End of 2025 [Slides]
Abstract
Electric transmission system operators (ISOs, RTOs, or utilities) require proposed power plants seeking to connect to the transmission grid to undergo a series of impact studies before they can be built. This process establishes what new transmission equipment or upgrades may be needed before a project can connect to the system and assigns the costs of that equipment. The lists of projects in this process are known as “interconnection queues”. In collaboration with https://www.interconnection.fyi. Berkeley Lab compiled, aggregated, and cleaned interconnection queue data from >50 transmission grid operators (7 ISO/RTOs and 50 non-ISO balancing areas), which collectively represent ~98% of currently installed U.S. electric generating capacity.
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Rand, Joseph [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Cheyette, Anna [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Talley, Chris [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Zhang, Steven [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Gorman, Will [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Wiser, Ryan [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Seel, Joachim [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Jeong, Seongeun [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)], Kahrl, Fredrich [Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)]. 2026-06-30. Queued Up: 2026 Edition, Characteristics of Power Plants Seeking Transmission Interconnection As of the End of 2025 [Slides]. https://doi.org/10.2172/3376147
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