Energy Systems Integration Facility (ESIF): Golden, CO - Energy Integration

Michael Sheppy, Otto Van Geet, Shanti Pless

Research output: Contribution to journalArticle


At NREL's Energy Systems Integration Facility (ESIF) in Golden, Colo., scientists and engineers work to overcome challenges related to how the nation generates, delivers and uses energy by modernizing the interplay between energy sources, infrastructure, and data. Test facilities include a megawatt-scale ac electric grid, photovoltaic simulators and a load bank. Additionally, a high performance computing data center (HPCDC) is dedicated to advancing renewable energy and energy efficient technologies. A key design strategy is to use waste heat from the HPCDC to heat parts of the building. The ESIF boasts an annual EUI of 168.3 kBtu/ft2. This article describes the building's procurement, design and first year of performance.
Original languageAmerican English
Pages (from-to)16-23
Number of pages8
JournalEuropean Respiratory Journal
StatePublished - 2015

Bibliographical note

Available from the magazine's website:

NREL Publication Number

  • NREL/JA-3500-63819


  • daylighting
  • Energy Systems Integration Facility
  • ESIF
  • high performance computing data center
  • HPC
  • integrated design
  • natural ventillation
  • sustainability


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