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Germany rooftop solar auctions, submitted bids

Germany rooftop solar auctions, submitted bids stood at 125 Bids in Jun 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 Jun 2021 to Jun 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

Indicator06-202602-202610-202506-202502-202510-202406-202402-202410-202306-2023
Rooftop solar
Submitted bids12598140127169209162194184155
Awarded capacity208.57155.08280.84255.37316.96258.81258.56264.06191.07192.84

Understanding germany rooftop solar auctions, submitted bids

The absolute count of individual project proposals entered into a government subsidy round for roof-mounted photovoltaics constitutes this Bundesnetzagentur dataset. Rather than measuring generation volume, this metric tallies the sheer number of distinct applications filed by developers seeking financial support contracts. It provides unique insight into market fragmentation and participation diversity, distinguishing itself entirely from megawatt-based metrics that can be easily skewed by a handful of massive warehouse installations. The scope strictly filters for building-mounted infrastructure applications, ensuring the count reflects commercial and large residential participation rather than industrial ground-mounted park developers.

Evaluating the period-on-period change in application frequency reveals whether administrative hurdles or changing interest rates are freezing smaller developers out of the market. Year-on-year comparisons help smooth out the irregular scheduling of the auction calendar, providing a clearer picture of the contracting industry's overall health. The dataset is finalized instantly upon the closure of the submission window, meaning subsequent revisions are structurally impossible. A common analytical mistake is using this raw count to estimate future electrical generation, as numerous applications for tiny apartment complex arrays will yield far less total power than a few bids for massive logistics centers.

Frequently asked questions

Does a distinct bid correspond to a single building?
Typically yes, though complex applications may bundle several adjacent roof structures into a unified project proposal for administrative efficiency.
Why track the raw count of applications instead of just the capacity?
Tracking the distinct number of proposals reveals whether the market is dominated by major players or supported by a broad base of independent contractors.
Are bids that fail the initial paperwork checks still counted?
This specific metric tallies every application that physically crosses the regulatory desk before any administrative disqualifications or legal compliance rejections take place.

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