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Home/Partners/System services/Grid losses

Grid losses

Energy losses naturally occur during the transmission of electricity. They occur as current heat losses in conductors, transformers and other system elements, as well as in the form of leak and corona losses.

Legal background

The Energy Industry Act (§§ 11 and following) and the Electricity Network Access Ordinance (StromNZV § 10) oblige the operators of the energy supply grids to procure the energy to cover grid losses according to a market-oriented, transparent and discrimination-free procedure and to create a separate balancing group for this energy.

Furthermore, § 17 (1) no. 3 and no. 7 of the StromNZV as well as § 10 of the Electricity Network Charges Ordinance (StromNEV) oblige the system operators to publish information on the average losses per grid and transformer level as well as the average procurement expenditure. 50Hertz complies with the disclosure obligation on this website.

2021

In 2021, the grid losses amounted to 2.38 TWh. They were purchased at an average cost of 4.4 ct/kWh. The average grid losses of the high voltage transmission level amounted to 218.7 MW, those of the transformer level to 52.6 MW.

2021 Grid losses as .csv (Download in German)

2020

In 2020, the grid losses amounted to 2.24 TWh. They were purchased at an average cost of 4.8 ct/kWh. The average grid losses of the high voltage transmission level amounted to 197.9 MW, those of the transformer level to 57.4 MW. 

2020 Grid losses as .csv (Download in German)

2019

In 2019, the grid losses amounted to 2.26 TWh. They were purchased at an average cost of 3.4 ct/kWh. The average grid losses of the high voltage transmission level amounted to 216.4 MW, those of the transformer level to 41.8 MW. 

2019 Grid losses as .csv (Download in German)

2018

In 2018, the grid losses amounted to 2.51 TWh. They were purchased at an average cost of 2.9 ct/kWh. The average grid losses of the high voltage transmission level amounted to 239,7 MW, those of the transformer level to 46,3 MW.

2018 Grid losses as .csv (Download in German)

2017

In 2017, the grid losses amounted to 2.41 TWh. They were purchased at an average cost of 2.6 ct/kWh. The average grid losses of the high voltage transmission level amounted to 232 MW, those of the transformer level to 43.5 MW.

2017 Grid losses as .csv (Download in German) 

2016

In 2016, the grid losses amounted to 2.05 TWh. They were purchased at an average cost of 3.8 ct/kWh. The average grid losses of the high voltage transmission level amounted to 196.7 MW, those of the transformer level to 36.9 MW.

2016 Grid losses as .csv (Download in German)

2015

In 2015, the grid losses amounted to 2.17 TWh. They were purchased at an average cost of 3.6 ct/kWh. The average grid losses of the high voltage transmission level amounted to 208.6 MW, those of the transformer level to 39.1 MW.

2015 Grid losses as .csv (Download in German)

2014

In 2014, the grid losses amounted to 1.93 TWh. They were purchased at an average cost of 4.4 ct/kWh. The average grid losses of the high voltage transmission level amounted to 185.7 MW, those of the transformer level to 34.8 MW.

2014 Grid losses as .csv (Download in German)

2013

In 2013, the grid losses amounted to 2.04 TWh. They were purchased at an average cost of 5.1 ct/kWh. The average grid losses of the high voltage transmission level amounted to 195.6 MW, those of the transformer level to 37.3 MW.

2013 Grid losses as .csv (Download in German)

2012

In 2012, the grid losses amounted to 1.97 TWh. They were purchased at an average cost of 5.4 ct/kWh. The average grid losses of the high voltage transmission level amounted to 189.2 MW, those of the transformer level to 35.5 MW.

2012 Grid losses as .csv (Download in German)

2011

In 2011, the grid losses amounted to 1.7 TWh. They were purchased at an average cost of 5.1 ct/kWh. The average grid losses of the high voltage transmission level amounted to 165.9 MW, those of the transformer level to 31.1 MW.

2011 Grid losses as .csv (Download in German)

2010

In 2010, the grid losses amounted to 1.5 TWh. They were purchased at an average cost of 4.96 ct/kWh. The average grid losses of the high voltage transmission level amounted to 133.2 MW, those of the transformer level to 29.7 MW.

2010 Grid losses as .xls (Download in German)

2009

In 2009, the grid losses amounted to 1.4 TWh. They were purchased at an average cost of 7.80 ct/kWh. The average grid losses of the high voltage transmission level amounted to 140.3 MW, those of the transformer level to 30.8 MW.

2009 Grid losses as .xls (Download in German)

2008

In 2008, the grid losses amounted to 1.6 TWh. They were purchased at an average cost of 5.63 ct/kWh. The average grid losses of the high voltage transmission level amounted to 145.1 MW, those of the transformer level to 32.4 MW.

2008 Grid losses as .xls (Download in German)

2007

In 2007, the grid losses amounted to 1.6 TWh. They were purchased from current exchange EEX at an average cost of 5.15 ct/kWh. The average grid losses of the high voltage transmission level amounted to 156.5 MW, those of the transformer level to 33.4 MW.

2007 Grid losses as .xls (Download in German)

2006

In 2006, the grid losses amounted to 1.7 TWh. They were purchased from current exchange EEX at an average cost of 4.81 ct/kWh. The average grid losses of the high voltage transmission level amounted to 154 MW, those of the transformer level to 32 MW.

2005

In 2005, the grid losses amounted to 1.8 TWh. They were purchased from current exchange EEX at an average cost of 4.64 ct/kWh. The average grid losses of the high voltage transmission level amounted to 175 MW, those of the transformer level to 31 MW.

2004

In 2004, the grid losses amounted to 1.6 TWh. They were purchased from current exchange EEX at an average cost of 2.89 ct/kWh. The average grid losses of the high voltage transmission level amounted to 153 MW, those of the transformer level to 29 MW.

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