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1 Consumption, China Source: BP

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2 The Growing Gap Source: Peakoil.net/Newsletter 39 Gb Oil Past Discovery Future Discovery Production

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3 Source: BP/ K. Aleklett and C.J.Campbell The reserves jump

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4 Possible Development of Temperature during the 21st Century centigrade Celsius Quelle: IPCC, ,4°C < 5,8°C ,2 0 0,5 15 > 2,0°C < 4,5°C

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5 How the Greenhouse Effect Changes the Weather The numbers represent the effects of doubling of CO2-emissions : 5 means that heavy rainfall will occur five times as often as today. This increases the risks of flood depending upon the topograpy lessequivalenttwicefivefoldsixfoldsevenfold Quelle: Europ. Zentrum mittelfr. Wettervorhersage, Reading 2001

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Offshore authorization procedure North and Baltic Sea

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7 Cost of investment Offshore-Windfarm Quelle: DEWI, REpower

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8 REpower 5M Nominal capacity:5 MW Rotor diameter:125 m Weight of nacelle:~ 400 t Length of nacelle:ca. 22 m Rotor blade diameter:ca. 3,2 m Tower top diameter:ca. 5,5 m Energetic amortization in 3-4 months (according to study of Ruhr-University Bochum)

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9 5,00 6,00 7,00 8,00 9,00 10,00 11,00 12,00 13,00 14,00 15, Grade of site as measured by full load hours [h/a]* *without grid connection losses aqcuisition costs [C/kWh] 250 x 2MW-WEA 100 x 5MW-WEA EEG Source: Niedersächsische Energieagentur GmbH Efficiency of Offshore-wind parks

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