Analysis of Investments in RES Based on the Example of Photovoltaic Panels in Conditions of Uncertainty and Risk—A Case Study

The aim of this study is to examine the profitability investment in a photovoltaic microinstallation, analyze impact legal changes on its profitability, and perform sensitivity analysis energy price changes. novelty research applies financial two systems discount called net-metering net-billing. change prices present macroeconomic risks. Climate neutrality strategy implementation background. authors formulate hypothesis that, firstly, solar panel installations Poland are aimed at reducing operating costs building; secondly, motivation environmental. main conclusion that taking into consideration ‘boom’ Poland, ‘regulator’ has achieved intended goal connected with progress toward climate neutrality. This used method logical design, experiment, comparative analysis. tools applied calculate project included internal rate return (IRR) net value (NPV). case been applied. uses real-world assumptions conducted for weather conditions Gdańsk, Poland.