Our home base at 150 Mason Circle, Suite K. Energen Systems has served the East Bay since 1988, providing generator service to refineries, hospitals, data centers, and commercial facilities across Contra Costa and Alameda counties.
What We Do
Preventive maintenance programs
NFPA 110 load bank testing
Emergency generator repair (24/7)
Automatic transfer switch service
Controller retrofits and upgrades
Engine overhauls and rebuilds
Fuel system service and polishing
Coolant and exhaust system repair
Who We Serve
John Muir Health and regional medical facilities requiring NFPA 99 and Joint Commission compliance.
Chevron, Shell, and Martinez-area refineries with critical standby power infrastructure.
Office parks, retail centers, and mixed-use developments throughout Contra Costa County.
Colocation and enterprise facilities demanding five-nines uptime.
City of Concord, county buildings, water treatment, and emergency services.
Manufacturing, warehousing, and distribution facilities across the East Bay corridor.