1. Description of Work (2011)

The service is entitled “A Web-based GIS for concentrating solar systems”.


Involved partners and contacts: the partner in charge of the development of the product and the service is DLR - Thomas Wanderer (thomas.wanderer(-at-)dlr.de

Prime-user: Kernenergien (Germany)

Expectations of the prime-users: Initial project development and site search is a high risk phase of CSP power plant development. At this very initial state usually availability of financing is very low. Project development companies therefore need a tool which helps them in the search of possible sites for a CSP project. Data needs are long term available direct normal solar radiation, access to infrastructure (e.g. streets, overhead lines), land cover and properties. A valuable tool for such searches is e.g. Google Earth or maps.google.com. Infrastructure data is available on such tools and the satellite images give a good first impression of the suitability of the land cover. Missing information is exclusion maps which remove protected, too steep or otherwise unsuitable areas and available solar radiation. The idea of this service development is to develop a web application which uses the Google API and adds those layers.

Initial developments have been made by e.g. including those maps as JPEG images within kmz-files within the Google-Earth application. But this attempt just gives a visual impression, e.g. the radiation values have to be estimated by the colour coding of the included images. The proposed application should be able to give the exact radiation values from the digital solar radiation map. Such a service will help project developers to identify suitable sites for a CSP project without the need of setting up their own GIS analysis system. Such a service could be offered on a pay per click (e.g. for each radiation values) base or on a subscription base (e.g. per month of access). The annual average value of solar radiation will be helpful for preliminary economic assessments of a CSP project.

Objectives of the service: Development of web-application using the Google-Maps API offering the Google base layers plus additional information on land suitability and available solar radiation.

Area of interest:

Exploited GMES downstream services:

Innovation: Direct normal radiation data and land suitability in an easy-to-use web application based on the Google-Maps API is not yet available. There is an advantage of usage of well-known available technology, though the exploitation rights have to be clarified.