Germany solar energy production approaches record 100 terawatt-hours milestone in 2026

Germany is on track to exceed 100 terawatt-hours of solar electricity in a single calendar year as production levels approach a new historical record. As of September 27, 2026, solar power production in the country reached 90.2 terawatt-hours. This current output has already surpassed the total solar output of 90 terawatt-hours recorded during the full year of 2025.

Rising solar energy output

The increase in solar production is attributed to an unusually high number of sunshine hours and the expansion of photovoltaic capacity across the country. This growth represents a significant shift from two decades ago, when solar production was only 2.2 terawatt-hours for the entire year. The current solar output is nearly 10 times the annual electricity consumption of Hamburg, which was 10.7 terawatt-hours last year.

Solar energy currently accounts for 17.8% of Germany's total domestic electricity generation. This makes solar the third-largest source of electricity in the country, ranking behind wind and coal. The broader transition toward sustainable energy is evident in the performance of the national grid, as renewable sources accounted for 59.1% of all electricity generated domestically in Germany during the first half of 2026.

Impact on the energy transition

The trajectory of solar energy production marks a significant development for the German energy sector. Carsten Kernig, the Managing Director of BSW-Solar, stated that reaching the new record is a milestone for the energy transition and benefits society through cheaper electricity and reduced climate damage.

As the country moves toward the 100 terawatt-hour threshold, the scale of production continues to grow relative to individual consumption. While a typical annual household consumption in Germany ranges between 2,000 and 4,000 kilowatt-hours, the national solar infrastructure is now producing electricity at a scale that dwarfs local municipal needs, such as those seen in Hamburg.

Historical production trends

The data highlights a rapid acceleration in the adoption of solar technology within the German market. The jump from 2.2 terawatt-hours 20 years ago to the current levels near 90 terawatt-hours demonstrates the speed of the infrastructure expansion. This growth has positioned solar power as a core component of the domestic energy mix, supporting the overall increase in renewable energy shares during the first half of 2026.

Glossary

• energy transition — The energy transition is a shift toward sustainable energy. It involves the implementation of solar energy as a crucial part of the energy mix.
• BSW-Solar — BSW-Solar is the German Solar Industry Association. It acts as an interest group for the German solar energy industry, serving as an informant, intermediary, and communication channel between solar businesses and the German government.