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Stay tuned for Eaton July BBQs >> Coming soon! <<
Cost Plus Electric Supply Denver Electrical Supply for Contractors
Cost Plus Electric Supply supports Denver-area electricians, commercial contractors, residential contractors, builders, maintenance teams, and purchasing departments with local electrical supply service, quote support, account resources, and product guidance.
Built for Colorado Electrical Work
CPESI helps customers source wire, conduit, fittings, boxes, load centers, breakers, lighting, power distribution products, low-voltage material, jobsite supplies, and specialty electrical components through experienced branch-level support.
Whether you need pricing, availability, account forms, product information, or help with a material list, our team is here to help keep your project moving.
Quick Actions Hub
Skip the scrolling. Get straight to work:
Submit a Quote Quick ⚡ Wire Type Picker Apply for Credit Account Open Cash Account Staff Directory & Ext.
Fueling Contractors, Forging Futures
Cost Plus Electric Supply (CPESI) is Denver’s last independent, family-owned electrical supply partner. For nearly three decades, we’ve stood with local contractors, offering transparent cost-plus pricing and service that larger national chains can’t match.
Our strong vendor network and extensive inventory allow us to serve professionals across a wide range of electrical projects. Whether you’re looking for lighting, low-voltage equipment, power distribution products, or specialty components, we’re here to make your job easier and more efficient.
See what we’ve got → Visit our branches
