Trusted Electrician in Monrovia & the San Gabriel Valley

Family-owned. Integrity-driven. Serving residential and commercial customers for over 30 years.

Mon–Fri 9AM–5PM  ·  Sat–Sun 9AM–12PM  ·  After-hours available  ·  License #806512

Residential & Commercial Electrical Services You Can Count On

From flickering lights to full panel upgrades — honest work, 30+ years of experience.

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Electrical Troubleshooting & Repair

Flickering lights, tripping breakers, dead outlets — diagnosed and fixed fast.

Panel Upgrades

Outdated panels replaced safely and up to current code requirements.

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Rewiring & Remodeling

Full and partial home rewiring for older homes, additions, and renovations.

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EV Charger Installation

Level 2 chargers and NEMA 14-50 outlets for all major EV brands, done right.

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New Circuits & Outlets

Added wherever you need them — kitchen, garage, home office, and more.

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Security Lighting

Exterior and floodlight installation and replacement for a safer home.

Why San Gabriel Valley Homeowners Trust Caldera Power Services

✅  Over 30 years of hands-on electrical experience

✅  Family-owned — you deal directly with Chris

✅  5-Star Yelp rating · 100+ verified reviews

✅  Upfront pricing — no surprise invoices

Chris Caldera, owner of Caldera Power Services going over services with a lady customer.

✅  On time, every time

✅  Licensed, insured, fully up to code

✅  After-hours emergency service available

✅  Army veteran-founded — precision & discipline

Frequently Asked Questions

Based in Monrovia, we serve the entire San Gabriel Valley — Arcadia, Pasadena, Duarte, Azusa, Glendora, El Monte, and surrounding communities.

Yes. We work on homes, rental properties, small commercial spaces, and everything in between. Call us and we’ll let you know how we can help.

Many customers reach Chris the same day they call. After-hours emergency service is also available at an additional cost.

Yes — EV charger installation is one of our most requested services. We install Level 2 chargers and NEMA 14-50 outlets for all major EV brands.

It can be. Flickering may indicate a loose connection, overloaded circuit, or a panel issue. Worth a call sooner rather than later.

Yes. California Contractor’s License #806512. Fully insured for your protection and peace of mind.

We provide honest, transparent pricing before any work begins — no hidden fees, no pressure tactics, ever.

You’re not alone. Chris has spent decades cleaning up work left behind by others. We assess the full situation before we begin and give you a complete picture of what’s needed.

Ready to Get the Power Flowing?

Call or contact us today — Chris will get back to you fast.