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Germany installed solar photovoltaic capacity, DC module

Germany installed solar photovoltaic capacity, DC module stood at 130.76 GW in Sep 2026, according to Fraunhofer Institute for Solar Energy Systems ISE and Federal Network Agency (Bundesnetzagentur). It is one of the indicators in the Renewable power expansion table (Value · Monthly), with a complete series running from Jan 2002 to Sep 2026. The complete series with an interactive chart, free to download.

Source: Fraunhofer Institute for Solar Energy Systems ISE and Federal Network Agency (Bundesnetzagentur)Last updated: Curated by Bui Thanh Phuc
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This indicator in the Renewable power expansion table

Indicator09-202608-202607-202606-202605-202604-202603-202602-202601-202612-2025
Solar photovoltaics
Solar photovoltaics (DC module capacity)130.76129.66128.02126.09124.66123.28121.94120.31119.39118.09
Solar photovoltaics (AC inverter capacity)118.99118.01116.58114.89113.62112.4111.23109.79108.97107.81

Understanding germany installed solar photovoltaic capacity, DC module

This metric tracks the cumulative nameplate direct current output of all solar panels deployed across the national grid, as compiled by Fraunhofer ISE. It measures the theoretical maximum power the physical photovoltaic cells can generate under standardized testing conditions before the electricity passes through an inverter. By focusing solely on the direct current rating, this series isolates the raw hardware deployment scale, contrasting directly with its sibling measure that tracks the alternating current limits actually injected into the power system. The aggregate encompasses everything from small residential rooftop arrays to expansive utility-scale ground-mounted parks, provided they are officially registered and grid-tied.

Analysts reading this series generally rely on period-on-period differences to track the immediate pace of panel installations, although seasonal weather patterns significantly disrupt winter construction schedules. Preliminary totals frequently undergo revisions as operators belatedly register new arrays or report the decommissioning of aging modules. Comparing this raw module rating against the corresponding alternating current capacity reveals the degree of system clipping, a common design choice where solar arrays are intentionally oversized relative to their inverters to maximize electricity production during suboptimal weather. Year-on-year comparisons of the total base smooth out monthly registration bottlenecks but mask shifting momentum caused by altering subsidy frameworks.

Frequently asked questions

Why does direct current module capacity exceed grid connection capacity?
Panels are often oversized relative to the inverter to maximize power generation during low-light conditions, leading to a higher direct current rating.
Are off-grid solar panels included in this total?
Only installations officially registered and capable of feeding into the public grid fall under this specific tracking framework.
How do module degradation rates affect this measure?
The figure reflects the original nameplate rating at installation time rather than factoring in gradual efficiency losses over the equipment's lifespan.

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