Colorado cities

Commercial Energy by Colorado City

Find local electric utilities, business rebates, lighting programs, building energy rules, and ways to lower energy costs.

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City guides

Start With Your City

Each city page shows the local utilities, the rebate programs we track, local building energy rules, and the building types that usually save the most.

Denver

Denver County, Colorado

Last checked: September 1, 2026

Denver is the largest business market in Colorado. It has a mix of downtown offices, older warehouses, apartment buildings, hotels, and light industrial space.

Main utility: Xcel Energy / Public Service Company of Colorado
Main rebate program: Pre-Authorized Commercial LED Lighting
Lighting rebates available: Programs tracked
Local energy rules: Energize Denver (Active)

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Fort Collins

Larimer County, Colorado

Last checked: September 1, 2026

Fort Collins has a strong mix of manufacturing, technology, breweries, offices, and retail. Most businesses inside the city are served by the city electric utility.

Main utility: Fort Collins Utilities
Main rebate program: Custom Efficiency
Lighting rebates available: Programs tracked
Local energy rules: Fort Collins Building Energy and Water Scoring (Active), Building Energy and Water Scoring (Active)

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Longmont

Boulder County, Colorado

Last checked: September 1, 2026

Longmont has a large base of manufacturing, industrial, and technology buildings, plus offices, retail, and grocery.

Main utility: Longmont Power & Communications
Main rebate program: Custom Efficiency
Lighting rebates available: Programs tracked
Local energy rules: Longmont Building Energy Benchmarking (Not confirmed), Building Energy Benchmarking (Active)

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Loveland

Larimer County, Colorado

Last checked: September 1, 2026

Loveland has industrial parks, warehouses, retail centers, auto dealerships, hotels, and offices.

Main utility: City of Loveland Utilities / Water and Power
Main rebate program: Custom Efficiency
Lighting rebates available: Programs tracked
Local energy rules: None tracked yet

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Utility service areas do not follow city limits everywhere. Check the utility name on your current electric bill before you apply for anything.

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Why We Start Small

We would rather have four city pages that are correct and checked than fifty thin pages. Each program record is stored once, so when a program changes we update it in one place and every city page follows.

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