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SOLAR CADASTRE / solar potential analysis

Solar cadastres are online portals which represent the energy potential of the roofs of cities and municipalities. They enable conclusions to be drawn about the suitability of individual buildings for the installation of solar systems.

Services of the solar cadastre creation at a glance

  • capture of the desired area in a photo flight or laser scan
  • photogrammetric evaluation of the data
  • creation of 3D models to derive the potential and performance analysis
  • consideration of shading effects e.g. by buildings or vegetation
  • consideration of times of day and seasons

benefits offered by solar registers

  • suitability for photovoltaic and solar thermal systems
  • determination of the optimal module area for each roof in square meters
  • calculation of plant output and yield per year
  • detection of CO² - saving potentials

Solar cadastre in detail

Every roof and other building structures have their own solar capacity, depending on the position of the sun, the season and the nature of its surface. Furthermore shading of special area features and adjacent objects are influencing the capacity. With the knowledge of solar capacity of areas and objects an energy generating potential by photovoltaic and solar thermic systems can be predicted.
To determine the capacities of several solar objects basically two methods are applicable:

1. aerial survey

Firstly, there is the possibility to perform a aerial survey with high resolution aerial images. These images are then evaluated by photogrammetry and created a three-dimensional object model that contains all the height, inclination and shading information. Using this model, we can calculate the solar capacity of each detected object. The information contained in the aerial imagery information can be recorded simultaneously existing roof structures and existing installations and considered in the calculation.

2. laser scanning

The second way is to calculate on the basis of airborne laser scanning. This provides, as the photogrammetric analysis, a three-dimensional object model that contains all the necessary information. With this information, the solar capacity of all detected objects can be calculated. However, there is no image data without additional air pictorial information that allow a conclusion to existing solar systems.

Our technology allows the calculation of solar capacity of buildings, the automatically 3D-recording of the roof-areas and the classification of the solar capacity, based on the roof inclination, direction and shading of adjacent buildings and terrains. All data will be prepared and visualized in a clearly laid out manner by using aerial photographs and topographic maps.

Reference Online Portals

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Contact Geofly GmbH

Ottersleber Chaussee 91
39120 Magdeburg

Tel.: +49 391 5095958-0
Fax: +49 391 5095958-99
Email: post@geofly.eu

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