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Welcome to the archives of the IEA OPEN Energy Technology Bulletin, a free newsletter from the International Energy Agency (IEA) and its Committee on Energy Research and Technology. The OPEN Bulletin provides regular updates on activities within the IEA's energy technology and R&D community that are contributing to energy security and protection of the environment and climate worldwide.


Issue No.6, 25 October 2002


1. Transformers that Waste Power - IEA Identifies Scope for Co-ordinated International Energy-Saving Effort.

2. Wind Energy - Long-Term R&D Needs up to 2020.

3. Towards a Hydrogen Economy? - Case Studies on Integrated Hydrogen Energy Systems.

4. Energy Policy in India - Data Specialists from India Study Energy Indicators Methodology at IEA Paris Headquarters.

5. Upcoming Events

6. Publications and websites

Reports from 7th IEA Heat Pumps Conference -- Sustainable Buildings -- GHG Balances of Biomass and Bioenergy Systems -- Bioenergy from Sustainable Forestry -- IEA Energy Technology Information Centres -- Energy and Climate Change, Past, Present and Future -- Energy Policies of Greece -- IEA Energy Statistics


1. Transformers that Waste Power - IEA Identifies Scope for Co-ordinated International Energy-Saving Effort.
Distribution transformers may be necessary to convert high-voltage power flows down to the required user-level voltage. But they can incur standby-mode losses of up to 2% of total electricity generated, representing almost one-third of overall system losses. And yet the technology is available to reduce these losses. Replacing even recent models of transformer can reduce losses by 75%; and replacing transformers more than thirty years old can reduce losses by 90%. Some countries have started to address the issue by introducing specific policies to promote low-loss transformers. An international dialogue between stakeholders is likely to accelerate this trend. The IEA was a joint patron of the Third International Workshop on Distribution Transformer Efficiency, which took place in Treviso (Italy) on 17 September 2002.
For the Workshop website and other presentations:
For more about high efficiency transformers:

Wind Energy - Long-Term R&D Needs up to 2020. For the next 20 years, it is important to conduct the necessary R&D to facilitate large and unconventional steps ensuring that the wind turbine and its infrastructure interact in close co-operation. Adding intelligence to the complete wind system and allowing it to interact with other energy sources will be essential in areas of large-scale deployment. Long-term research supported by society is needed in addition to industrial research to increase the value of wind energy. The IEA's international collaborative programme on wind turbines has produced a full report on this key issue, Long-Term Research and Development Needs for Wind Energy for the Time Frame 2000 to 2020.
To download:
See also the homepage of the programme (IEA Implementing Agreement for Co-operation in the Research and Development of Wind Turbine Systems): Contact - Programme Secretariat, P. Weis-Taylor: Some forty international collaborative programmes exist within the IEA's international energy technology collaboration framework.
For more information on the framework:

3. Towards a Hydrogen Economy? - Case Studies on Integrated Hydrogen Energy Systems.
Hydrogen to power fleets of cars, vans and buses; hydrogen for remote power; hydrogen for co-generation; and hydrogen to store energy from renewable energy systems. Around the globe, an increasing number of integrated hydrogen demonstration projects are producing results. The IEA's international collaborative programme on hydrogen has assembled a set of reports on some of these projects.
To access these Case Studies: For the hydrogen programme's website:

Energy Policy in India - Data Specialists from India Study Energy Indicators Methodology at IEA Paris Headquarters. How exactly are energy use and resulting carbon emissions affected by economic and technical factors like energy prices, GDP and new technologies? Indicators of the impact of energy policies on climate and energy security have for some years been a major area of IEA's work. The methodology based on energy indicators that the IEA has developed to analyse energy use has attracted the interest and involvement of countries around the world, and not only IEA Member countries. India's active interest in this effort, and in reaping the benefits for shaping its own energy policies, led to a special IEA workshop in India in April 2002. This examined the findings of an IEA feasibility study on applying the IEA's Indicators Methodology in India. Following on from that, a group of data experts from India was invited to attend a mid-October workshop at IEA's Paris Headquarters to familiarise themselves with the IEA's Energy Indicators Methodology. To access IEA's paper on Energy Indicators work in India, "Curbing Energy Demand? Where to Start?": .

5. Upcoming Events

6. Publications & websites
  • Reports from the 7th IEA Heat Pump Conference, 19-22 May 2002, Beijing, (China). A wealth of information about heat pumps, air conditioning, refrigeration markets, and their technology and applications, was made available through this conference. A special session was devoted to the rapidly developing heat pump and air conditioning market in China. Ground-source heat pumps were also featured during a special session. The IEA Heat Pump Centre Newsletter reports extensively on the conference highlights. A two-part article presents an overview of international market developments per region, with spotlights on China, France and Sweden, followed by a discussion of technological and related market developments. The newsletter also tells about a new sound power test laboratory for HVAC equipment in Spain.
    To access the newsletter:
    The full conference proceedings are available in print and on CD ROM, and can be ordered from the IEA Heat Pump Centre: Fax: +31 46 4510389; E-mail: Contact: J. The Centre's website:

  • Books for Building Sustainability is the latest on-line Bookshop Brochure from the IEA Energy Conservation in Buildings and Community Systems (ECBCS) Programme. It provides an overview of some of the recent publications about sustainability in buildings from the ECBCS Programme's projects. For many years, the ECBCS Programme has been writing high quality Books for Building Sustainability.
    Contact: Janet Blacknell (

  • Greenhouse Gas Balances of Biomass and Bioenergy Systems comes from the Task-38 team of the IEA's international collaborative programme on bioenergy, the IEA Bioenergy Implementing Agreement. This Task focuses on application of methodologies to GHG mitigation programmes. Readers will learn about a standard methodology for greenhouse gas balances, as well as the team's objectives, work and outputs/publications.
    To download:
    Hard copies are available - contact:

  • Bioenergy from Sustainable Forestry has been published by Kluwer Academic Publishers for Task 31 of the IEA Bioenergy Programme. Combining input from more than 25 international experts, the book synthesizes guidance needed to design or implement sustainable forest management systems for production of biomass for energy in conjunction with other forest products. It provides the ecological, physical, operational, social and economic information on harvesting systems and biomass production needed by forest resource managers and planners to evaluate the ability of specific forest regions to sustainably meet bioenergy production demands.
    To learn more, and to order:

  • IEA Information Centers on Energy Technologies - A Directory. Effective dissemination of information on R&D results and achievements is the job of a number of specialised information centres operating within the IEA's international energy technology collaboration framework. This updated brochure presents the information centres and explains how to obtain information from them.

  • Energy and Climate Change, Past, Present and Future - Three new books from IEA examine progress in combating climate change, the role of energy, the effectiveness of measures in place and the options for the future.
    See press release:
    • Dealing with Climate Change: Policies and Measures in IEA Member Countries reviews in detail new or modified policies taken or planned by IEA Member countries in 2001 to reduce climate damage. This is the third volume in a series giving a comprehensive picture of climate-related actions under way in the energy sector. For more details:
    • Beyond Kyoto: Energy Dynamics and Climate Stabilisation details energy-sector options to reduce climate change. Identifying mechanisms to deal with both international equity and economic uncertainty, it addresses the fundamental question of how to proceed beyond Kyoto.
      For more details:
    • CO2 Emissions from Fuel Combustion: 1971-2000 provides data designed to assist in understanding the evolution of emissions from 1971 to 2000 in more than 140 countries and regions, by sector and by fuel.
      For more details:
  • Energy Policies of IEA Countries - Greece 2002 Review. The latest in the IEA's regular updates on energy issues in Member countries.
    For more information:

  • Key World Energy Statistics from the IEA - 2002 Edition. At a glance, clearly presented key statistics on the supply, transformation, prices and consumption of all major energy sources. The IEA is recognised world-wide as an authoritative source of energy statistics. This volume provides a handy summary of the key data.
    To download:
    For a pdf version of this and other IEA statistical publications: