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Clean Energy

Experts anticipate that the worldwide energy consumption will increase 2.4 per cent annually. For the foreseeable future fossil fuels will remain the major energy source; however, these fuel sources will be used more efficiently and in a more environmentally sound manner. Technology for future emission free coal, gas and steam turbine power plants, as well as geothermal, solar, wind and tidal power facilities will help limit CO2 release. Existing plants will be retrofitted to achieve increased efficiency. Innovative approaches for stimulating energy conservation will also play a larger role. The Kyoto protocol sanctioned trading of emission certificates gives this trend a special dynamism. Because the oil reserves are on the wane, industry is increasingly turning to exploration of deep sea oil reserves and oil sands. The liquefaction of natural gas into synthetic "designer fuels" as an alternative to crude oil is also being investigated. Active damping elements and high tech thermocouples increase the capacity of the power networks; wind and solar power can now be transported over long distances and, thus, can be produced where it is economically and ecologically feasible..

 
 

Clean Energy: Forecasts

Experts predict that worldwide electricity production will double to 31,500 terawatt-hours per year by 2030. Without countermeasures, this would mean an increase in CO2-emissions by 50 per cent. This should be prevented by the right mix of energy sources and by increasing the efficiency of power generation. In the industrialized countries improvements in efficiency from 25 to 35 per cent are possible. The savings potential in other countries is even greater. A typical power plant in China or India works with an efficiency of only 25 per cent; an efficiency of 85 per cent could be attained with the most advanced power-heat coupling technology.

 

Clean Energy at Siemens

Siemens Power Generation develops new and clean power plant technologies, such as the IGCC (Integrated Gasification Combined Cycle) process. Here, a liquid or solid fuel, for example anthracite (hard coal), is gasified and is then very efficiently converted into electricity in a gas turbine generator. Pollutants do not form or are separated and stored prior to combustion. These IGCC installations can "eat" just about anything and are even able to generate ecology-friendly electricity from refinery residue. Siemens plans to increase the efficiency of lignite (brown coal) power stations by predrying the coal, raising the steam temperature and using new materials for the turbines.

The permanent-magnet technology from Siemens is characterized by its high degree of effectiveness, reliability and low maintenance. When installed in wind driven power plants, this translates into reduced operating costs and an increased availability of offshore wind generated energy for deep sea drilling of crude oil.

Photo: Coal, the source of synthesis gas

Clean Future

 
 
 
 
 

Contact

Siemens Communica-tions for Technology and Innovations:

Dr. Ulrich Eberl (Mr.)
Wittelsbacherplatz 2
D-80333  Munich

Tel: +49 (89) 636-33246
Fax: +49 (89) 636-35292

ulrich.eberl@siemens.com