Welcome To The 4E Publications Area
Test Procedures for Measuring Network Standby Power
This paper examines elements of existing test procedures that address network standby in some way. This includes horizontal test procedures that cover standby and network standby for
Global Forecast of Energy Use for Wireless Charging
In this report, we have built on the modeling methodology published in a recent white paper by Natural Resources Defense Council (NRDC) and Suzanne Foster Porter of Kannah Consulting
Bridging the Network Standby Gap between Mobile and Mains-Powered Products
An integrated, energy-optimal design approach, in which disparate engineering teams collaborate iteratively toward energy optimization goals (including low network standby energy use), is currently the
Getting to Zero: An Evaluation of Zero Network Standby Power
This report examines the feasibility and economics of achieving network zero in three different products: mini-split HVAC systems, smart speakers, and connected light bulbs. We investigate the
Total Energy Model for Connected Devices
The objective of this study is to develop a quantitative model of the “total energy use” of connected devices, globally. This report (and model) aims to quantify the total additional energy that results from devices becoming connected to a communications network
Intelligent Efficiency for Data Centres and Wide Area Networks
This report discusses the energy consumption of data centres (DC) and the wide area network (WAN) which connects computers and other devices together on the internet. These are complex
EMSA Newsflash March 2019 – English
Read the latest Newsflash announcing important events related to energy efficiency in industry.
2018 4E Annual Report
Read the 2018 Annual Report for the IEA Technology Collaboration Programme on Energy Efficient End-use Equipment (4E)
Policy Brief – Policy Guidelines for Pumps, Fans and Compressors
This Policy Brief is based on studies by the IEA 4E Technology Collaboration Programme (4E TCP) into energy efficiency policy measures for pumps, fans and compressors, and the
PECTA Pre-scoping study – New power electronic materials and devices and its impact on the energy efficiency – Assessment Study for 4E Annex preparation
In the beginning of 2017, a new Annex to the IEA 4E TCP (Technology Collaboration Program of Energy Efficient End-Use Equipment) has been planned. The Power Electronic
Policy Brief – EMSA Overview 2019-2024
The 4E Electric Motor Systems Annex (EMSA) promotes the opportunities for energy efficiency in motor systems by disseminating best practice information worldwide. It supports the development of internationally aligned technical standards and
Policy Brief – Intelligent Efficiency: Smart Homes
This briefing summarises the key findings of the EDNA report Intelligent Efficiency – A Case Study of Barriers and Solutions – Smart Homes. Energy efficiency policy makers need to better understand
Policy Brief – Networked Audio Products
This briefing summarises the key findings of the EDNA report Network Connected Audio Products – Measurements and Analysis of Network Standby Consumption, which focuses on larger audio products that use WiFi to communicate. The report uses
Energy Harvesting Technologies for IoT Edge Devices
This report discusses the elements of an energy harvesting system, and the possible energy sources and quantities of energy which can be harvested from light, thermal energy, radio frequency
2017 4E Annual Report
Read the 2017 Annual Report for the Implementing Agreement for a Co-operative Programme on Efficient Electrical End-Use Equipment (4E)
Policy Guidelines for Motor Driven Units – Part 2
This Policy Guideline proposes policy options for the inter-national alignment of technical standards and minimum energy performance standards (MEPS) for pump, fan and compressor Motor Driven
Network Standby Power Basics (revised April 2018)
This report incorporates and organizes our collective understanding of the network standby function, identifies the primary factors that influence its power draw, develops a framework for understanding
Energy Audit Guide for Motor Driven Systems
This guideline gives a systematic and comprehensive overview on how to use available standards and tools for a motor system audit. This guideline gives a systematic and comprehensive overview
Intelligent Efficiency – A Case Study of Barriers and Solutions – Smart Homes
This report highlights the role of energy efficiency policy makers in improving the value proposition for smart homes for energy management, by supporting the development of methodologies
