Twin Oaks Valley Water Treatment Plant

• San Diego County Water Authority
• $1 million

Leo J. Vander Lans Water Treatment Facility Expansion

• Water Replenishment District of Southern California
• $6.6 million

WRP 4 / WRP 7 Headworks

• Coachella Valley Water District
• $3.6 million

David C. McCullem Water Treatment Plant

• Olivenhain Municipal Water District
• $4.2 million

Groundwater Well Head Treatment Plant

• West Valley Water District
• $2.6 million

Colorado River Aqueduct Pumping Plants

• Metropolitan Water District of Southern California
• $5.3 million

Olivenhain-Hodges ESP / Pumped Storage

• San Diego County Water Authority
• $10.7 million

Orange Grove Energy Facility

• Orange Grove Energy LLP
• $5.8 million

Miramar Energy Facility

• San Diego Gas and Electric
• $1.5 million

SDG&E Below-Grade Substations

• San Diego Gas and Electric
• $2.96 million

66kV Substation

• The City of Industry
• $7.2 million

Basilone Substation

• San Diego Gas & Electric
• $776K

Substation, Olivenhain-Hodges Storage Project

• San Diego County Water Authority
• $10.7 million

69 kV U/G Chollas Substation

• San Diego Gas & Electric
• $644K

Southern has become one of the leading streetlight design-builders in the United States through assisting cities and public agencies develop, finance, design and convert existing HPS and LPS streetlights to LED and induction lighting.  We have converted and / or audited more than 110,000 streetlights since 2011 alone, including 37,600 lights for the City of San Diego.  We have also been maintaining more than 28,000 municipal streetlights for  San Diego Gas and Electric for the past ten years.  Below are many of the cities we currently support and/or have completed projects.

 

Click here for a full listing of our Streetlighting Projects

12 kV Substation Replacement

• Standley Middle School, SDUSD
• $860K

Glam Mor 2 Electrical Distribution System Replacement

• University of California, Riverside
• $486K

Main Campus Electrical Step 3

• University of California, Irvine
• $1 million

Horse Creek Ranch Dry Utilities

• Palomar Community College District
• $1.2 million

Mt. Miguel High School Ballpark

• Grossmont Union High School District
• $1.2 million

Mission Cove Family 1 Housing

• Mission Cove Family 1 Housing LLP
• $200K

Quarry Creek 20B U/G

• Presidio Cornerstone OC, LLP
• $315K

El Camino Road Widening

• City of Carlsbad
• $879K

Horse Creek Ranch Dry Utilities

• Palomar Community College
• $1.2 million

Kaiser San Diego Central Demo

• Kaiser Foundation
• $802K