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About ePower Network

A specialized critical power company built from the ground up on technical expertise, genuine relationships, and an unconditional commitment to uptime.

Critical Power Solutions That Protect What Matters

ePower Network was founded in 2010 with a simple premise: the companies protecting critical infrastructure deserve better service than they were getting. Generic vendors with no specialized knowledge, poor response times, and no accountability.

We built ePower differently — specialists, not generalists. Factory-trained engineers, not overnight hires. A genuine guarantee, not fine print.

Today we serve 30+ enterprise clients across healthcare, financial services, government, technology, and education — managing power equipment from 1 kVA to 1 MW capacity.

ePower Network HQ — Placentia, CA

Who We Are

Headquarters

1020 Segovia Circle, Placentia, CA 92870 — with additional field offices in San Diego and Los Angeles.

Founded

Established in 2010 by Greg Marquez and Eric Lee — industry veterans with deep roots in critical power.

Our Clients

Boeing, UCLA, Netflix, Northrop Grumman, Hoag Hospital, CalTech, and 25+ more enterprise organizations.

Our Guarantee

100% satisfaction guaranteed or your service is free. No exceptions, no fine print.

Serving Southern California

ePower Network operates from its Placentia, CA headquarters with field engineers and stocked service vehicles covering the full Southern California region — including Los Angeles, Orange County, San Diego, the Inland Empire, and beyond.

Our GPS-dispatched fleet ensures rapid response to any facility in our coverage area, whether for scheduled preventive maintenance or emergency service calls requiring immediate on-site attention.

Southern California Coverage

Trusted Across Critical Sectors

Healthcare

Hospitals, medical centers, and clinical facilities where power reliability is a life-safety imperative.

Government & Military

Federal, state, and municipal facilities — including defense contractors and public safety organizations.

Technology

Data centers, cloud providers, internet infrastructure, and technology companies protecting their compute assets.

Education

Universities, research institutions, and school districts managing critical IT and laboratory infrastructure.

Financial Services

Banks, credit unions, and financial operations centers where downtime directly translates to financial loss.

Industrial & Utility

Manufacturing facilities, utilities, and industrial operations requiring dependable power infrastructure.

Explore ePower Network

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