Modelling residential-scale combustion-based cogeneration in building simulation

A. Ferguson, N.J. Kelly, Andreas Weber, Brent Griffith

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)
21 Downloads (Pure)


This article describes the development, calibration and validation of a combustion-cogeneration model for whole-building simulation. As part of IEA Annex 42, we proposed a parametric model for studying residentialscale cogeneration systems based on both Stirling and internal combustion engines. The model can predict the fuel use, thermal output and electrical generation of a cogeneration device in response to changing loads, coolant temperatures and flow rates, and control strategies. The model is now implemented in the publicly-available EnergyPlus, ESP-r and TRNSYS building simulation programs. We vetted all three implementations using a comprehensive comparative testing suite, and validated the model's theoretical basis through comparison to measured data. The results demonstrate acceptable-to-excellent agreement, and suggest the model can be used with confidence when studying the energy performance of cogeneration equipment in non-condensing operation.
Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalJournal of Building Performance Simulation
Issue number1
Publication statusPublished - Mar 2009


  • Cogeneration
  • internal combustion engine
  • Stirling engine
  • building simulation
  • validation
  • comparative testing

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