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Published: March 18, 2015

Variable Transfer Limits (VTL) Study Complete - Final Report Posted


In June 2014, ColumbiaGrid began a process to coordinate technical analyses, as performed through a third-party contractor, to calculate the Variable Transfer Limits of the Northwest AC Intertie. The analyses were performed pursuant to the Dynamic Transfer Capability (DTC)Study Methodology and California - Oregon Intertie (COI) Statement of Work which were established through a collaborative effort, led by ColumbiaGrid, among the owners, operators, and purchasers of long-term transmission rights of the California-Oregon Intertie, including members of ColumbiaGrid and Northern Tier Transmission Group, Pacific Northwest Generating Cooperative, and the California Independent System Operator.

In accordance with section 1.1 of the Variable Transfer Limits Functional Agreement, ColumbiaGrid has posted the COI VTL Study Final Report on its website at: https://www.columbiagrid.org/variabletransferlimits-overview.cfm.






WHAT OUR MEMBERS SAY

Member: Chelan County PUD      Project: ColumbiaGrid     
Chelan County PUD

"Chelan PUD is a strong supporter of ColumbiaGrid and the work that’s accomplished through the transmission Planning and Expansion Functional Agreement (PEFA). As a result of that process, the mid-C utilities (Chelan, Grant and Douglas PUDs) and Bonneville Power Administration were able to reach an agreement that defined the need for a new transmission line, as well as determine who will construct, own and pay for the facility. Those difficult decisions were made successful through the expert and independent expertise of the ColumbiaGrid staff."
~~ Chad Bowman, Director - Transmission and Compliance