Wind power in Germany

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Erection of an Enercon E70-4 in Germany

Wind power in Germany describes wind power in Germany as part of energy in Germany and renewable energy in Germany. In 2011, the installed capacity of wind power in Germany was 29,075 megawatts (MW), with wind power producing about 7.7 percent of Germany’s total electrical power.[1] According to EWEA in a normal wind year, installed wind capacity in Germany will meet 10.6% at end 2011 and 9.3% at end 2010 of the German electricity needs.[2][3] The persistent disparity between EWEA estimates for a "normal wind year" and the actual data tabulated below is due to the EWEA relying on an unrealistically high capacity factor for German wind production.[citation needed]

More than 21,607 wind turbines are located in the German federal area and the country has plans to build more wind turbines.[4][5] As of 2011, Germany's federal government is working on a new plan for increasing renewable energy commercialization,[6] with a particular focus on offshore wind farms.[7] A major challenge will be the development of sufficient network capacities for transmitting the power generated in the North Sea to the large industrial consumers in southern Germany.[8]

Overview

File:Wind-power-germany-1.png
Wind power Germany 2015 fact sheet: electricity generation, development, investments, capacity, employment and the public opinion. [9]

As of 2010, Wind power in Germany provides over 96,100 people with jobs and German wind energy systems are also exported.[4][10] The Fuhrländer Wind Turbine Laasow, built in 2006 near the village of Laasow, Brandenburg, was the tallest wind turbine in the world for six years.

In Germany, hundreds of thousands of people have invested in citizens' wind farms across the country and thousands of small and medium-sized enterprises are running successful businesses in a new sector that in 2008 employed 90,000 people and generated 8 percent of Germany's electricity.[11] Wind power has gained very high social acceptance in Germany.[12]

Repowering

Repowering, the replacement of first-generation wind turbines with modern multi-megawatt machines, is occurring in Germany. Modern turbines make better use of available wind energy and so more wind power can come from the same area of land. Modern turbines also offer much better grid integration since they use a connection method similar to conventional power plants.[13][14]

Offshore wind power

Offshore wind farms in the German Bight

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Offshore wind energy also has great potential in Germany.[15] Wind speed at sea is 70 to 100% higher than onshore and much more constant. A new generation of 5 MW or larger wind turbines which are capable of making full use of the potential of wind power at sea has already been developed and prototypes are available. This makes it possible to operate offshore wind farms in a cost-effective way once the usual initial difficulties of new technologies have been overcome.[16]

On 15 July 2009, the first offshore German windturbine completed construction. This turbine is the first of a total of 12 wind turbines for the alpha ventus offshore wind farm in the North Sea.[17]

Following the 2011 Japanese nuclear accidents, Germany's federal government is working on a new plan for increasing renewable energy commercialization, with a particular focus on offshore wind farms.[18] Under the plan, large wind turbines will be erected far away from the coastlines, where the wind blows more consistently than it does on land, and where the enormous turbines won't bother the inhabitants. The plan aims to decrease Germany's dependence on energy derived from coal and nuclear power plants.[7] The German government wants to see 7.6 GW installed by 2020 and as much as 26 GW by 2030.[19]

A major challenge will be the lack of sufficient network capacities for transmitting the power generated in the North Sea to the large industrial consumers in southern Germany.[8]

In 2014, all in all 410 turbines with 1747 megawatts were added to Germany's offshore windparks. Due to not yet finished grid-connections, only turbines with combined 528.9 megawatts were added to the grid feed at the end of 2014. Despite this, the gigawatt offshore windpower barrier has been breached by Germany at the end of 2014.[20]

Energy transition

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The 2010 "Energiewende" policy has been embraced by the German federal government and has resulted in a huge expansion of renewables, particularly wind power. Germany's share of renewables has increased from around 5% in 1999 to 17% in 2010, reaching close to the OECD average of 18% usage of renewables.[21] Producers have been guaranteed a fixed feed-in tariff for 20 years, guaranteeing a fixed income. Energy co-operatives have been created, and efforts were made to decentralize control and profits. The large energy companies have a disproportionately small share of the renewables market. Nuclear power plants were closed, and the existing 9 plants will close earlier than necessary, in 2022.

The reduction of reliance on nuclear plants has so far had the consequence of increased reliance on fossil fuels and on electricity imports from France. However, in good wind Germany exports to France; in January 2015 the average price was €29/MWh in Germany, and €39/MWh in France.[22] One factor that has inhibited efficient employment of new renewable energy has been the lack of an accompanying investment in power infrastructure (SüdLink) to bring the power to market.[21][23] The transmission constraint sometimes causes Germany to pay Danish wind power to stop producing; in October/November 2015 this amounted to 96 GWh costing 1.8 million euros.[24]

Different Länder have varying attitudes to the construction of new power lines. Industry has had their rates frozen and so the increased costs of the Energiewende have been passed on to consumers, who have had rising electricity bills. Germans in 2013 had some of the highest electricity costs in Europe.[25]

Statistics

File:GermanyWind.svg
Annual Wind Power in Germany 1990-2015, shown in a semi-log plot with installed capacity (MW) in red and power generated (GWh) in blue; the close correlation is consistent with a capacity factor of about \tfrac{1}{5}, and rising.

Installed wind power capacity and generation in recent years is shown in the table below:[26]

Year 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Installed Capacity (MW) 55 106 174 326 618 1,121 1,549 2,089 2,877 4,435
Generation (GW·h) 71 100 275 600 909 1,500 2,032 2,966 4,489 5,528
Year 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
Installed Capacity (MW) 6,097 8,738 11,976 14,593 16,612 18,375 20,568 22,183 23,815 25,662
Generation (GW·h) 9,513 10,509 15,786 18,713 25,509 27,229 30,710 39,713 40,574 38,648
Year 2010 2011 2012 2013 2014 2015
Installed Capacity (MW) 27,092 29,045 31,264 34,271 39,193 44,946
Generation (GW·h) 37,793 48,883 50,670 51,708 57,357 87,975

Offshore only:

Year 2009 2010 2011 2012 2013 2014 2015
Installed Capacity (MW) 30 80 188 268 508 1,037 3,319
Generation (GW·h) 38 174 568 722 905 1,449 8,703
 % of Wind Gen. 0.1 0.5 1.2 1.4 1.8 2.5 9.9

States

File:Windkraftanlagen in Deutschland.png
Geographic distribution of wind farms in Germany

In Saxony-Anhalt 48.11% of electricity was produced with wind power in 2011.[27]

Share of the potential annual energy yield of the net electrical energy consumption in 2011:

State No. Turbines Installed Capacity [MW] Share in the net electrical energy
consumption [%]
 Saxony-Anhalt 2,352 3,642.31 48.11
 Brandenburg 3,053 4,600.51 47.65
 Schleswig-Holstein 2,705 3,271.19 46.46
 Mecklenburg-Vorpommern 1,385 1,627.30 46.09
 Lower Saxony 5,501 7,039.42 24.95
 Thuringia 601 801.33 12.0
 Rhineland-Palatinate 1,177 1,662.63 9.4
 Saxony 838 975.82 8.0
 Bremen 73 140.86 4.7
 North Rhine-Westphalia 2,881 3,070.86 3.9
 Hesse 665 687.11 2.8
 Saarland 89 127.00 2.5
 Bavaria 486 683.60 1.3
 Baden-Württemberg 378 486.38 0.9
 Hamburg 60 53.40 0.7
 Berlin 1 2.00 0.0
offshore North Sea 31 155.00
offshore Baltic Sea 21 48.30
Germany Total 22,297 29,075.02 9.9

See also

References

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  2. Wind in power 2011 European statistics EWEA February 2012, pages 4 and 11
  3. Wind in power 2010 European statistics EWEA February 2011, page 11
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  8. 8.0 8.1 The Wall Street Journal Online, 24 April 2012
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  12. Community Wind Farms at the Wayback Machine (archived July 20, 2008)
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  17. Alpha Ventus
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External links

de:Windenergie#Deutschland