The Etrenzik Blog
Expert guides on LED technology, energy codes, utility rebates, SREC markets, and ESG reporting — written by our certified consultants.
Featured Articles
LED vs. HID High Bay: The True 10-Year Cost Comparison
HID high bays might have a lower upfront price, but the 10-year total cost of ownership tells a very different story. We break down energy, maintenance, and rebate numbers for a 100-fixture warehouse.
DLC 5.1 Qualification: How to Maximize Utility Rebates in 2024
Georgia Power, Duke Energy, and Florida Power & Light all require DLC 5.1 qualification for lighting rebates. Here's exactly how to submit a claim and what products qualify.
LED vs. HID High Bay: The True 10-Year Cost Comparison
HID high bays might have a lower upfront price, but the 10-year total cost of ownership tells a very different story. We break down energy, maintenance, and rebate numbers for a 100-fixture warehouse.
DLC 5.1 Qualification: How to Maximize Utility Rebates in 2024
Georgia Power, Duke Energy, and Florida Power & Light all require DLC 5.1 qualification for lighting rebates. Here's exactly how to submit a claim and what products qualify.
ASHRAE 90.1-2019 Lighting Requirements: What You Must Know
The 2019 edition of ASHRAE 90.1 introduced tighter LPD limits for commercial buildings. This guide explains which spaces are affected and how to comply using modern LED technology.
SRECs and LED Upgrades: A Powerful Combination for Building Owners
Reducing load with LED upgrades before installing solar dramatically increases SREC revenue. We explain the math behind load reduction + solar capacity optimization.
Building Your ESG Lighting Strategy: A Corporate Playbook
Scope 2 emissions from purchased electricity are under intense scrutiny. LED upgrades are one of the fastest, most measurable ways to reduce your carbon footprint and earn ESG points.
Smart Lighting Controls: Adding Another 30% on Top of LED Savings
Occupancy sensors, daylight harvesting, and schedule controls add a significant secondary layer of savings after LED conversion. Here's how to calculate the incremental ROI.
Warehouse LED Lighting Layout: A Step-by-Step Photometric Guide
Getting the right footcandle levels in a warehouse requires more than picking a high-efficiency fixture. This guide walks through IES RP-36 recommendations and common layout mistakes.
Commercial EV Charging + Canopy LED Lighting: The Full Package
EV charging stations require proper canopy lighting. We cover IES RP-20 standards for parking garages and canopies, plus how to bundle EV + LED projects for maximum incentive capture.
Section 179 & Bonus Depreciation for LED Upgrades: Your Tax Guide
LED retrofits can qualify for Section 179 expensing AND bonus depreciation in the same tax year. In 2024, 60% bonus depreciation is available. Here's how to structure the purchase.
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