Energyplus: New, capable, and linked

Drury B. Crawley, Linda K. Lawrie, Curtis O. Pedersen, Frederick C. Winkelmann, Michael J. Witte, Richard K. Strand, Richard J. Liesen, Walter F. Buhl, Yu Joe Huang, Robert H. Henninger, Jason Glazer, Daniel E. Fisher, Don B. Shirey, Brent T. Griffith, Peter G. Ellis, Lixing Gu

Research output: Contribution to journalArticlepeer-review


A new building energy simulation program, known as EnergyPlus, was first released in April 2001. EnergyPlus builds on the capabilities and features of BLAST and DOE-2 and includes many simulation features, such as variable time steps, configurable modular systems that are integrated with a heat balance-based zone simulation, and input and output data structures tailored to facilitate third party module and interface development - features that have not been available together in a mainstream building energy simulation program. Other simulation capabilities include three thermal comfort models, extensive daylighting and advanced fenestration capabilities, multi-zone airflow modeling, more robust HVAC equipment models, more flexible system modeling, and photovoltaic simulation. Currently, more than 10 private sector companies have stated their intentions to create user interfaces for EnergyPlus. Since EnergyPlus was released in April 2001, more than 20,000 copies have been downloaded, with users in more than 90 countries.

Original languageEnglish (US)
Pages (from-to)292-302
Number of pages11
JournalJournal of Architectural and Planning Research
Issue number4
StatePublished - Dec 2004

ASJC Scopus subject areas

  • Architecture
  • Geography, Planning and Development
  • Environmental Science (miscellaneous)
  • Urban Studies


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