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Laboratory Validation of Integrated Lighting Systems Retrofit Performance and Energy Savings

Author

Listed:
  • Jordan Shackelford

    (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

  • Paul Mathew

    (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

  • Cynthia Regnier

    (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

  • Travis Walter

    (Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA)

Abstract

Light-emitting diodes (LED) fixtures and lamps have emerged as leading technologies for general illumination and are a well-established energy efficiency retrofit measure in commercial buildings (from around 2% of installed fixtures and lamps in 2013 to 28% by 2020). Retrofit approaches that integrate elements, such as networked controls, daylight dimming, and advanced shade technologies lag in comparison. Integrated retrofits have been shown to increase savings over single end-use retrofits, but are perceived as higher complexity and risk. More validation of integrated lighting system performance is needed. This study presents results from laboratory testing of three packages combining fixtures, networked controls, task tuning, and daylight dimming, advanced shades, and lighting layout changes. We characterize performance in perimeter open-office zones, finding energy savings from 20% for daylight dimming and automated shades (no LED retrofit) to over 70% for LED retrofits with advanced controls and shades or lighting layout changes. We present some implementation details, including lessons learned from installation and commissioning in the laboratory setting. We also discuss cost-benefit analysis approaches for the types of packages presented, including the need to quantify and incorporate energy and non-energy benefits for advanced shades packages, which enhance occupant comfort but add significant cost.

Suggested Citation

  • Jordan Shackelford & Paul Mathew & Cynthia Regnier & Travis Walter, 2020. "Laboratory Validation of Integrated Lighting Systems Retrofit Performance and Energy Savings," Energies, MDPI, vol. 13(13), pages 1-20, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:13:p:3329-:d:378259
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    Citations

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    Cited by:

    1. Przemysław Ptak & Krzysztof Górecki & Jakub Heleniak & Mariusz Orlikowski, 2021. "Investigations of Electrical and Optical Parameters of Some LED Luminaires—A Study Case," Energies, MDPI, vol. 14(6), pages 1-18, March.
    2. Paul Mathew & Cindy Regnier & Jordan Shackelford & Travis Walter, 2020. "Energy Efficiency Package for Tenant Fit-Out: Laboratory Testing and Validation of Energy Savings and Indoor Environmental Quality," Energies, MDPI, vol. 13(20), pages 1-22, October.

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