For photovoltaic expansion in 2023, the Federal Network Agency (BNetzA) has revised the overall figures slightly upwards to 14.26 gigawatts (GW) net. At the beginning of the year it initially reported 14.1 GW. The reason is probably ongoing late registrations. Never before have anywhere near as many new PV systems been installed in Germany in one year. Nevertheless, the numbers lag behind the expansion target for 2030, which envisages a total output of 215 GW. To achieve this, a monthly increase of almost 1.6 GW would have been necessary.
As can be seen from the latest data on the expansion in December 2023, the net installed additional capacity in December was 879.8 megawatts (MW). That was the lowest value of the year. The basis for the figures is the BNetzA market data master register. Over time there may be further late reports.
Overall, the total output of all PV systems in Germany rose to 81.8 GW gross at the end of 2023. This corresponds to a doubling since 2016. The strongest expansion in 2023 was in Bavaria with 3.64 GW, ahead of North Rhine-Westphalia with 2.13 GW, Baden-Württemberg with 1.89 GW and Lower Saxony with 1.40 GW.
When it comes to onshore wind energy, the BNetzA statistics show an increase of 363 MW for December 2023. For the year as a whole it was 3.0 GW net. This increased the total gross onshore wind capacity to 61 GW. Among the federal states, Schleswig-Holstein dominated in 2023 with 1.1 GW, ahead of Lower Saxony (483 MW), North Rhine-Westphalia (413 MW) and Brandenburg (397 MW). December was also a peak month for approvals at 1.24 GW. In the year as a whole, 257 MW of offshore wind capacity was added.
A net 16.6 MW was added to biomass in December. The total gross output of biomass power plants in Germany rose by almost 100 MW to 9.0 GW in 2023.
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