When complete, the 11 phase Tehachapi project will include a series of high-voltage transmission lines capable of delivering 4,500 MW.
Segments 2 and 3 include five components: a new 34 km, 500 kV line connecting SCE’s existing Antelope and Vincent substations, two new substations to be named Windhub and Highwind, located near Mojave and Monolith, a new 41 km, 500 kV transmission line connecting SCE’s existing Antelope Substation with the proposed Windhub Substation, and a new, 16 km, 220 kV transmission line connecting the Windhub and Highwind substation.
The new lines are expected to be operational in early 2009.
The first segment was approved by the CPUC in March and SCE will file an application next June to build the remaining segments.
The Tehachapi project is part of SCE’s five-year, $4.3 billion transmission expansion programme.
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