2023 4E Annual Report
Read the 2023 Annual Report for the IEA Technology Collaboration Programme on Energy Efficient End-use Equipment (4E)
4E 2023 Annual Report No Header Footer
2023 Annual Report DOWNLOAD PRINT VERSION Chair’s Statement During 2023, recognition the role of energy efficiency in delivering energy security and affordability has boosted action. On the ground, investment in energy efficiency has risen by 45%
International Lighting Seminar: Metrology, Lifetime, Health and Smart Sustainable Lighting
This event is being held in-person and online. Everyone is asked to register by clicking on this link. The in-person venue is: Chancellor’s Hall, Senate House, University College London, Malet Street, London, WC1E 7HU LED lighting
International Lighting Seminar: Metrology, Lifetime, Health and Smart Sustainable Lighting
An in-person (London, UK) seminar and on-line webinar Tuesday, 14th May 2024 from 14:00 to 17:30 Please register to participate, whether in-person or online. Chancellor’s Hall, Senate House, University College London, Malet Street, London, WC1E 7HU
Energy Efficiency Measurement of Wide Bandgap Based Power Supplies
This report discusses different measurement methods to evaluate the efficiency of WBG-based power supply solutions, including electrical and calorimetric methods, and compares the performance of Si-based and GaN-based chargers. The efficiency of chargers was measured at
Analysis and Loss Measurements of WBG-Based Devices
Commercial power supplies with wide-bandgap (WBG) Technology promise enhanced efficiency. PECTA analyzes WBG-based devices, supported by Swiss research, focusing on measurement concepts, loss assessments, and a deep understanding of the WBG device benefits. The POWERlab at
Application Readiness Map for Wide Bandgap (WBG) Semiconductors
The Power Electronic Conversion Technology Annex (PECTA) Application Readiness Map for Wide Bandgap (WBG) Semiconductors describes their expected market position through 2035. It is based on interviews with many experts and various roadmaps and could be
Energy saving potential of WBG commercial power converters in different applications
This report explores the potential of wide bandgap (WBG) power semiconductor devices, such as SiC or GaN, in enhancing energy efficiency compared to traditional silicon-based systems. Estimating global energy savings, the research focuses on applications like
New policy brief – Energy Management Protocols
This new policy brief summarises the EDNA Guide to Energy Management Protocols, which is a resource for policy makers. Energy management protocols provide the signals to end-use devices and appliances for optimising energy consumption and providing
Policy Brief – Energy Management Protocols
Summarises the EDNA Guide to Energy Management Protocols, which is a resource for policy makers. Gives an overview, description and categorisation of protocols, their relevance to energy management, and details of market uptake.
13th International Conference on Energy Efficiency in Motor Driven Systems
The 13th International Conference on Energy Efficiency in Motor Driven Systems will take place on 3 – 5 September 2024 in Lucerne, Switzerland. More information: https://eemods24.org/
IEC ACEE has published the IEC Guide 118:2024 Preparation of basic and group energy efficiency publications including energy efficiency aspects
The IEC Guide 118:2024 intends to support the work of all Technical Committees (TCs) on their work on energy efficiency publications within their specific scope.
Wide Band Gap Technology: Energy and environmental related Life Cycle Assessment (LCA)
This report reflects the results of the work: Energy and environmental related Life Cycle Assessment (LCA) of PECTA, during the period 2020 to 2023. It explores the energy and material aspects and environmental impacts of selected
Webinar: policy development on energy efficiency of data centres
Webinar: 15 Feb 2024 at 10:00 European Central Time This webinar aims to provide policymakers with information and evidence-based recommendations for policy measures to improve the energy efficiency of data centres. Register here Report: Policy development
Policy development on energy efficiency of data centres
For data centre energy efficiency, this report provides: overview of data collection/registration projects, overview of current/planned government measures, quantitative estimates of savings from possible measures, and issues for policy makers to consider.
IEC JAG22 provides input to the update of EMSA’s Motor Systems Tool
Armin Hauer, the Convenor of JAG 22, talks in an interview about the goals and current activities of JAG 22. These include providing input and critique for the update of EMSA’s Motor Systems Tool.
Webinar and report: policy development on energy efficiency of data centres
Webinar: 15 Feb 2024 This webinar provided policymakers with information and evidence-based recommendations for policy measures to improve the energy efficiency of data centres. Slides available here. Report: Policy development on energy efficiency of data
New strategy for 2024-2029 approved by IEA
In January 2024, the IEA endorsed the work of 4E by extending its mandate for a further five-year period, as requested by the 15 Members.
IEA 4E SSL Annex wins Global Award from International Solid State Lighting Alliance
The SSL Annex has been given the “Global SSL Award for Outstanding Achievement” from the International Solid State Lighting Alliance on 27 November in Xiamen, China. This award recognises the thirteen years of research, reports and other information that the SSL Annex has shared with the global lighting community.
