摘要：Resource efficiency is the primary element of the European Union's ‘Europe 2020’ strategy for the economic growth. It aims at stimulating economic growth which will be smart, sustainable and inclusive. Proper land use is beneficial to the economic development and it contributes to the improvement of living conditions considering the principle of sustainable development. Geographical information systems are the perfect tools enabling effective spatial planning. GIS technology allows to carry out complex analysis, which enable a comprehensive environmental and urban assessment. Using GIS tools gives also a possibility to assess different variations of land use in the future. The article presents the results of the analyses carried out on the basis of DTM and DSM, which purpose was to assess the potential of solar energy of the selected area. It was shown the possibility of using the roof surface of old buildings in a chosen part of Bydgoszcz to install solar systems on them.
