Energy Strategies
The Western Interconnection will need about 15,600 additional new line miles of high-voltage transmission at a cost of about $75 billion over the next 20 years to meet the anticipated increase in load growth, according to a report commissioned by Gridworks and GridLab.
The issue of how to allocate transmission plan deliverability for projects with long lead-time network and reliability upgrades remained the center of discussion at a CAISO Interconnection Process Enhancements Working Group meeting.
The study finds dividing CAISO’s EDAM from SPP’s Markets+ would create seams that pose a different set of problems than challenges seen at the boundaries of full RTOs in other parts of the U.S.
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