Insights

Knowledge that saves money.

Practical insights on lighting, controls, electrical systems, and building performance. Every article is backed by real project data.

Incentives

179D Tax Deduction Ends June 30, 2026. Here is What That Means.

The 179D commercial buildings deduction — up to $5.94/SF — terminates after June 30, 2026. If you have a retrofit planned, the clock is running.

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CRE

LED Retrofits Are CAM-Recoverable. Most Landlords Don't Know That.

Common area lighting upgrades can be amortized through CAM charges — making LED retrofits self-funding for commercial real estate owners.

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Technical

How to Calculate LED Retrofit Payback (With Real Numbers)

Most LED proposals show you a number without showing the math. Here is exactly how payback works — with real project data from 89 commercial retrofits.

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Technical

Your Parking Lot Lighting Probably Doesn't Meet IES Standards. Here's Why That Matters.

IES RP-8-22 sets minimum light levels for parking lots. Most aging HID systems fall well below — creating liability, insurance, and safety issues.

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Operations

LED Maintenance Savings Are Bigger Than Energy Savings. Most People Miss This.

LED energy savings get all the attention. But maintenance cost reduction — from $17.25 to $0.54 per fixture per year — is often the bigger number.

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Controls

Lighting Controls Add $31 Per Fixture Per Year. Here is the Math.

Controls save 42% more energy beyond LED alone, extend fixture life from 11 to 20 years, and add only 0.3 years to your payback. The data from 57 CRE projects.

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