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What are the "other" energy sources?


The data on the SMARD website include figures for "Other conventional" and "Other renewable" energy sources. What exactly are they?

The "Other renewable" category comprises the following energy sources:

-    geothermal energy
-    landfill gas
-    sewage gas
-    pit gas

The installed generation capacity of the individual energy sources is an important factor in electricity generation. It is the maximum amount of electricity a unit can generate and is given in megawatts (MW). The installed generation capacity of the "other" renewable sources is very different in each of the four German control areas.

In 2021, it was 70 MW for the 50Hertz control area, 89 MW for TenneT, 32 MW for TransnetBW and 318 MW for Amprion.
So far this year, generation by "other" renewable sources amounted to 1.4 TWh, which was equal to 0.3% of total generation.
Because the amounts that the "other" renewable sources generate are relatively small, the electricity generated by each individual source would not be clearly visible in the charts and so they are grouped together in one category.

The same applies for the "Other conventional" category, which comprises:

-    derived gas from coal
-    mineral oil
-    waste
-    oxygen steel furnace gas
-    blast furnace gas
-    refinery gas
-    gas with a high proportion of hydrogen
-    other byproducts of production (for example steel and coke production)
-    mixtures of more than one fuel type

In 2021, generation by "other" conventional sources amounted to around 11.8 TWh, which was equal to 2.6% of total generation.
The installed generation capacity of the "other" conventional sources in each of the control areas is also different. In 2021, it was 2,173 MW for the Amprion control area, 1,406 MW for 50Hertz, 2,718 MW for TenneT and 1,166 MW for TransnetBW.

Note: The actual generation on the SMARD website only includes electricity fed into the general supply network. It does not include electricity generated in the Deutsche Bahn network or within industrial networks and closed distribution networks.

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