SEPTEMBER 2016
TLED Lighting Retrofits with Dedicated Drivers

Pacific Northwest National Laboratory (PNNL) evaluated two tubular linear light-emitting diode (TLED) lamps that use the existing lens and fixture. Results showed energy savings between 27–29%. Occupants were satisfied with light level and quality.

Download Findings

• 1-page infographic

• 4-page brief

• Full report

Additional Resources

• Calculator: Advanced Lighting Controls Payback

• Guidance: Upgrading Troffer Luminaires to LED: Solid State Lighting Technology Fact Sheet (DOE/EERE, January 2017)

• Guidance: LED Retrofit Options for Linear Fluorescent Luminaries (UC Davis, March 2014)

• Testing: LED Linear Lamps and Troffer Lighting LED (DOE/EERE, 2013–2014)