Modele subiektywne w konstrukcji prognoz długookresowych

In the paper are presented some aspects of construction and practical use of subjective forecasting models. The main objective was to identify the usefulness of these models in the design of long-term forecasts and scenarios for the development of new technologies. Theoretical considerations are supplemented with real examples of data analysis, obtained in the study of foresight "zero carbon energy economy in a sustainable development of the Polish to 2050", conducted by the Central Mining Institute in Katowice.