Tehachapi Renewable Transmission Project is a 500kV overhead line with a length of 278.3km from Kern County, California, US, to San Bernardino County, California, US.

Construction works on the Tehachapi Renewable Transmission Project started in 2015 and the project was commissioned in 2016.


The Tehachapi Renewable Transmission Project, which is an overhead line, is being operated by Southern California Edison. The Tehachapi Renewable Transmission Project is a new line. The line carries alternating current (AC).

Tehachapi Renewable Transmission Project project development status

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The development of the Tehachapi Renewable Transmission Project project was approved by California Public Utilities Commission in 2015 and the project works were completed in 2016.

About Southern California Edison

Southern California Edison Co (SCE), a subsidiary of Edison International, is an electric utility that generates, procures, sources, and supplies electricity. The company generates electricity from natural gas, hydro, nuclear, solar, and fuel sources. SCE also sources energy and local grid support from third parties such as cogeneration, biomass, small hydro, wind, geothermal, solar plants, and California Department of Water Resources. It also assists the customers in managing their electricity bills and promotes energy efficiency.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.