The 2000-watt society is an environmental vision, first introduced in 1998 by the Swiss Federal Institute of Technology in Zürich (ETH Zurich), which pictures the average First World citizen reducing their overall average primary energy usage to no more than 2,000 watts (48 kilowatt-hours per day) by the year 2050 – and without lowering their standard of living.

The concept addresses not only personal or household energy use, but the total for the whole society, including embodied energy, divided by the population.

Two thousand watts is approximately the current world average rate of total primary energy use. This compares to averages of around 6,000 watts in western Europe, 12,000 watts in the United States,[1] 1,500 watts in China, 1,000 watts in India, 500 watts in South Africa and only 300 watts in Bangladesh.[2] Switzerland itself, currently using an average of around 5,000 watts, was last a 2000-watt society in the 1960s.

It is further envisaged that the use of carbon based fuels would be ultimately cut to no more than 500 watts per person within 50 to 100 years.

The vision was developed in response to concerns about climate change, energy security, and the future availability of energy supplies. It is supported by the Swiss Federal Office of Energy,[3] the Association of Swiss Architects and Engineers, and other bodies.

Current energy use

Breakdown of average energy consumption of 5.1 kW by a Swiss person as of July 2008:

Country Current use (kW) Fixed goal (kW)
US 12 [2]  ?
India 1 [2] No
China 1.5 [2] No
Switzerland 5 [2] No
Europe 6 [2] No
Switzerland (Zurich) 5 [4] 2 by 2050[4]
Switzerland (Basel) 5 [5] 2 by ?


Researchers in Switzerland believe that this vision is achievable, despite a projected 65% increase in economic growth by 2050, by using new low-carbon technologies and techniques.[6]

It is envisaged that achieving the aim of a 2000-watt society will require, amongst other measures, a complete reinvestment in the country's capital assets; refurbishment of the nation's building stock to bring it up to low energy building standards; significant improvements in the efficiency of road transport, aviation and energy-intensive material use; the possible introduction of high-speed maglev trains; the use of renewable energy sources, district heating, microgeneration and related technologies; and a refocusing of research into new priority areas.

As a result of the intensified research and development effort required, it is hoped that Switzerland will become a leader in the technologies involved. Indeed, the idea has a great deal of government backing, due to fears about climate change.

The Basel pilot region

Launched in 2001 and located in the metropolitan area of Basel, 'Pilot Region Basel' aims to develop and commercialise some of the technologies involved. The pilot is a partnership between industry, universities, research institutes and the authorities, coordinated by Novatlantis. Participation is not restricted to locally based organisations. The city of Zurich joined the project in 2005 and the canton of Geneva declared its interest in 2008.

Within the pilot region the projects in progress include demonstration buildings constructed to MINERGIE or Passivhaus standards, electricity generation from renewable energy sources, and vehicles using natural gas, hydrogen and biogas. The aim is to put research into practice, seek continuous improvements, and to communicate progress to all interested parties, including the public.

Notes and references

  1. "Smarter Living" (PDF). 2000 watt society. Archived from the original (PDF) on 27 September 2007. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 Elizabeth Kolbert (Journalist). "The Island in the Wind". The New Yorker. Archived from the original on 19 December 2008. Retrieved 2008-12-23. 
  3. "Federal government energy research". January 16, 2008. Retrieved 17 January 2008. 
  4. 4.0 4.1 Dr. E. Ledergerber, Dr. André Kuy. "Ergänzung der Gemeindeordnung, Verankerung der Nachhaltigkeit und der 2000 Watt Gessellschaft" (PDF). City of Zurich. "zurich_2000W". Retrieved 2008-12-23. 
  5. Prof. Armin Binz; Werner Müller; Dr. Dominik Keller; Roland Stulz. "The Basel pilot region of the 2K Watt Sciety". State of Basel. Archived from the original on 11 January 2009. Retrieved 2008-12-23. 
  6. Jochem; et al. (2004). "Steps towards a sustainable development. A white book for R & D of energy-efficient technologies" (PDF). ETH Zurich. Archived from the original (PDF) on 12 March 2012. Retrieved 10 September 2010. 

See also

External links

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