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Last update: 29.05.2013

National Contact Point: BSW-Solar - Bianca Barth
(barth(at)bsw-solar.de)

Small rooftop systems on residential buildings up to 10 kWp in size made up 18% of the German PV market in 2013. Whether a PV system requires a planning permission is not always clearly defined by the law. For this reason, contacting the relevant building control authority before installing the PV system is recommended.The installation of a PV system can also be a problem in monument protection areas, as the benefits of a PV system must be weighed against those ... (Unhide text)
 
Small Rooftop PV System on private residential buildings.

 
Waiting Time
 
Active time
The PV industry believes that the average overall duration of the development process of a 3-kW rooftop system is acceptable. This duration could, however, be further reduced by quicker grid connection procedures. In individual cases, significantly higher development times were also reported than the average values stated here.
 
The industry believes that the average net waiting time for the development of a 3-kW rooftop system is acceptable. This net waiting time could, however, be further reduced through quicker grid connection procedures. In individual cases, net waiting times significantly higher than the average values stated here were also reported.

 
Legal-administrative Labour Requirements
 
Non Legal-administrative Labour Requirements
The average effort required for the installation of a 3-kW rooftop system on residential buildings from legal-administrative requirements is rather small. Only a few hours are needed to fulfil these requirements.

 
Legal-administrative costs
 
Other costs
The average overall costs incurred by the installation of a 3-kW rooftop system on residential buildings from legal-administrative requirements are rather small. These costs could, however, be further reduced through simplified grid connection procedures.
 
The PV industry believes that the average overall costs of the development process of a 3-kW rooftop system are acceptable. These costs could, however, be further reduced by quicker grid connection procedures.