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Wind Energy Expansion in Germany

 

The Electricity Feed-In From Renewables Act of 7. 12. 1990, the forerunner of the Renewable Energy Act (REA), obliged electricity supply companies (ESCs) to purchase electricity generated from renewables and guaranteed electricity producers minimum tariffs. The Figures show the nominal power of the WTs installed in Germany year-by-year since 1990. Installed offshore wind capacity reaches for the first time almost 1 GW in 2014 and increases in the following years.

 

 

Highcharts Example
Data source for image

 

Data source: [Keiler and Häuser]; [Fraunhofer IEE]

 

 

The following graph shows the cumulative installation during the year, giving a preliminary overview of the pure expansion, excluding the end of operation of old turbines.  Only at the beginning of the following year can reliable figures for the expansion be presented. Nevertheless, this chart provides a good trend display.

 

 

Highcharts Example
Data source for image

 

Data source: [Keiler and Häuser]; [Fraunhofer IEE]

 

In 2018, a total of 754 turbines with a rated output of 2515 MW were installed on land in Germany. Compared to the record year 2017 (5514 MW), new installations have thus fallen to less than half of their rated capacity and to their lowest level since 2012. At the same time, 142 wind turbines or a total capacity of 188 MW were dismantled in 2018. This means that the dismantling of old plants is also less than half the value from 2017, which is partly due to a reduced number of repowering sites. The comparison shows: While the dismantled wind turbines had an average capacity of 1.33 MW (1.29 MW in 2017), the newly erected wind turbines were significantly more powerful, with an average capacity of 3.34 MW. In total, around 29,897 wind turbines with a total capacity of 53,304 MW were installed in Germany at the end of 2018.