The following Annex 42 publications are available for download:
Annex 42 Final Report
This report summarizes the results of IEA/ECBCS Annex 42, an international task-shared research effort conducted by 26 organizations in 10 countries over the course of 5 years. Annex 42 conducted experimental work and developed simulation models to advance the design, operation, and analysis of residential cogeneration systems, and applied these models to assess their technical, environmental, and economic performance.
Subtask A: The characterization cogeneration systems and occupant driven electrical and domestic hot water usage patterns.
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Residential Cogeneration Systems: A Review Of The Current Technologies:
This report provides useful information that has been gathered by the Annex from a large number of sources on the current state-of-knowledge of residential cogeneration technologies.
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European and Canadian non-HVAC Electric and DHW Load Profiles for Use in Simulating Residential Cogen. Systems:
This report discusses the creation of occupant-driven electric and domestic hot water profiles for use in Annex 42. The data files containing the profiles are available for download using the 'Data files' link on the right.
This report discusses the production of realistic standard electrical and domestic hot water consumption profiles suitable for use in the assessment and comparison of the economic, carbon and energy performance of residential cogeneration systems within this Annex.
The main purpose of the profiles is to be a standard dataset for this Annex which can then be used to allow comparisons between the energy performances of various residential cogeneration systems as modelled in the remainder of the Annex. Ideally, the profiles should be as representative as possible of reality.
The profiles specifically required were representative residential electrical consumption profiles (excluding Heating, ventilation and Air-Conditioning (HVAC) loads) and Domestic Hot Water (DHW) consumption profiles. The profiles obtained needed to be suitable for assessing annual loads and would ideally be applicable in a number of countries.
A further ambition was to provide energy profiles suitable for assessing the detailed operation of cogeneration systems, i.e. the profiles should be recorded on the order of second intervals.
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Specifications for Modelling Fuel Cell and
Combustion-Based Residential Cogeneration Devices
within Whole-Building Simulation Programs:
This report contains the model specifications for the fuel cell and combustion cogeneration models developed by Annex 42.
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Experimental Investigation of Residential
Cogeneration Devices and Calibration
of Annex 42 Models:
This report documents the experimental investigations of residential cogeneration systems conducted within Annex 42 and the subsequent calibration of the Annex 42 models using these data.
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Inter-model Comparative Testing and
Empirical Validation of Annex 42 Models
for Residential Cogeneration Devices
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This report documents the comparative testing and empirical validation of the Annex 42 residential cogeneration system models.
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Review of Existing Residential Cogeneration Systems Performance Assessments and Evaluations:
This report provides an overview of published performance assessment studies and experimental evaluations of residential cogeneration systems.
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Methodologies for the Performance Assessment of Residential Cogeneration Systems:
This report presents the Performance Assessment Methodology developed within Annex 42.
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Performance Assessment of Residential Cogeneration Systems in Switzerland:
This report presents the performance assessment study for a number of micro combined heat and power generation systems in residential buildings in Switzerland.
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Performance Assessment of Prototype Residential Cogeneration Systems in Single Detached Houses in Canada:
This report presents the performance assessment study for prototype residential cogeneration systems in Canada.
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Performance of Residential Cogeneration Systems in Germany:
This report presents the performance assessment study for residential cogeneration systems in Germany.
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Performance Assessment of Residential Cogeneration Systems in Different Italian Climatic Zones:
This report presents the performance assessment study for an internal combustion engine based residential cogeneration system in Italy.
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Performance Assessment of Residential Cogeneration Systems in Southern Italy:
This report presents the performance assessment study for residential cogeneration systems in Southen Italy.