7 March 2008 -- Southern California Edison (SCE) began construction of one of the largest wind transmission project in the United States.
When all phases are developed, the Tehachapi Renewable Transmission Project will include a series of new and upgraded high-voltage transmission lines capable of delivering 4,500 MW of electricity from wind farms and other generating companies in southern California.
The first three segments include the following components: two new substations — Windhub and Highwind — located near Mojave and Monolith; a new, 25.6 mile, 500 kilovolt transmission line connecting SCE's existing Antelope Substation with the new Windhub Substation; a new, 9.6 mile, 220 kilovolt transmission line connecting the Windhub Substation and the Highwind Substation; a new, 21.0-mile, 500 kilovolt transmission line connecting SCE's existing Antelope and Vincent substations; and a new, 26.7-mile, 500 kilovolt transmission line connecting SCE's existing Antelope and Pardee substations. The new lines are expected to be operational in early 2009.
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