Study finds proposed transmission line could impact San Diego economy

San Diego Gas & Electric’s (SDG&E) proposed Valley Rainbow Interconnect transmission line will help San Diego County reach its full economic potential through 2020, according to a new economic study. Titled “Economic Impact and Benefit Analysis of the Valley Rainbow Interconnect,” the study was prepared by The London Group Realty Advisors, Inc. and paid for by SDG&E.

According to the study, the following long-term economic benefits in San Diego County are linked to electricity from the Valley Rainbow project:

“- $7 billion annually in consumer spending;
“- $1 billion annually in property tax;
“- $190 million annually in sales tax;
“- 500,000 new jobs from 2006-2020.

Short-term benefits are related to the construction of the project. More than $114 million dollars will be spent in the region during construction. Researchers found that the project will yield the following short-term benefits:

“- 1,766 new jobs during construction;
“- $80 million in increased employee earnings;
“- $185 million in total business output.

The Valley Rainbow Interconnect project is a 500,000-volt transmission line proposed by SDG&E to meet projected demands for electricity in San Diego and Southern Orange Counties. The study was released in mid-October at a news conference sponsored by Southern Californians for Valley Rainbow (SCVR), a broad-based coalition of business leaders, labor unions, statewide trade groups, elected officials and private individuals in support of the project.

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The Clarion Energy Content Team is made up of editors from various publications, including POWERGRID International, Power Engineering, Renewable Energy World, Hydro Review, Smart Energy International, and Power Engineering International. Contact the content lead for this publication at

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