Interior Lighting Campaign Participants Get Exemplary Results from Troffer Retrofits

Lighting system upgrades, like more efficient troffer lighting, often represent some of the easiest, most cost-effective energy-saving opportunities available. Participants in the Interior Lighting Campaign are sharing their results and best practices after upgrading their lighting systems and achieving impressive results. These troffer retrofit case studies provide cross-sector solutions for retail, food service, commercial real estate, healthcare, higher education, and more. 

    CHRISTUS Health cut lighting energy use 61% at St. Michael Hospital when they replaced fluorescent lamps with LEDs.

    CKE Restaurant Holdings, Inc., which owns the Carl’s Jr., Hardee’s, Green Burrito, and Red Burrito restaurant brands, was recently recognized in three categories for excellence and leadership in interior lighting by the Interior Lighting Campaign.

    Sustainable Technologies, an environmental engineering firm based in Alameda, California, worked with Clean Harbors Environmental, a hazardous waste remediation firm based in San Jose to replace troffer lighting in Clean Harbors’ transportation consolidation warehouse and offices.

    Cleveland Clinic retrofitted 10,500 troffers with LEDs at its Lerner Research Center in Cleveland for an energy savings of 2.6 million kWh per year.

    The university’s new Student and Academic Services Building was designed with a comprehensive suite of energy efficient lighting features, including space-by-space light level controls to enable scheduling as well as dimming in individual offices, conference rooms, and classrooms.

    Target was recognized for their corporate-wide LED troffer lighting retrofit and new construction installations. Annual savings from the 107 projects yielded an estimated 26 million kWh.

    U.S. Toy retrofitted 470 troffers at its corporate headquarters, as part of a lighting upgrade that cut energy use by 54,000 kWh and improved employee satisfaction with work space lighting.

    This case study describes how the Army Reserve 99th Regional Support Command (RSC) cut its energy consumption in half at the Support Command's Technical Sergeant Vernon McGarity Army Reserve Center by replacing more than 1,200 fluorescent troffers with 46W and 61W LED troffers with dimmers.

    This case study describes how the Army Reserve 9th Mission Support Command (MSC) reduced lighting energy consumption by 62% for a total savings of 125,000 kWh and more than $50,000 per year by replacing over 400 fluorescent troffers with 36W LED troffers.

    This case study describes how the Byron G. Rogers Federal Building replaced existing T12 and T8 luminaires with LED-dedicated troffers with advanced controls.

    The U.S. General Services Administration (GSA) cut a $291,000 annual lighting electric bill down to an estimated $53,500 by installing LED troffer lights and lighting controls in the New Carrollton Federal Building in Lanham, Maryland.



Tool type:

Case Studies


Lighting, Interior