ZG Provided the California ISO with an Economic and Reliability Assessment of the PTEP

On behalf of Western Grid Development, ZG provided the California ISO with Economic and Reliability Assessment to determine the economic and reliability benefits.


The Pacific Transmission Expansion Project is a 2,000 MW controllable HVDC subsea transmission cable that the CAISO determined will facilitate existing supply available to the Diablo Canyon 500 kV switchyard or connect new sources of Offshore Wind (OSW) or other new clean energy to be delivered to the West LA Basin and reduce Local Capacity Requirement (LCR) needs in the West LA Basin by 1,993 MW, thereby displacing the need for the same capacity of local natural gas fired power plants and reduce unnecessary renewables curtailments. Attached is the summary of the filing.

Western Grid Comments and Economic Study
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