Modeling the impact of financial mechanisms on the development of energy efficiency and renewable energy in households

This study aims to model and assess the impact of financial mechanisms, such as government subsidies, green credits, household incomes, and energy pricing, on the development of energy efficiency and renewable energy deployment in households, with a focus on Ukraine compared to individual countries. The main focus of the study is on quantifying the relationship between financial support instruments and the level of deployment of energy-saving technologies and renewable energy sources in the household sector in Ukraine and other countries. The econometric analysis was conducted using panel data from the United States, the United Kingdom, Germany, China, and Ukraine for the period 2022–2024. The study considers two main dependent variables: energy efficiency and renewable energy use relative to total household energy consumption estimated on the basis of key financial and regulatory independent variables. This study uses a cross-country comparative panel regression framework to measure the impact of different economic and institutional conditions on the interaction of variables. The dataset contains both continuous and categorical variables, which helps to analyze patterns in energy transition processes across settings. The results show that the greatest gains in household energy efficiency and renewable energy use are achieved by countries that implement robust and well-coordinated fiscal incentives, including government subsidies, attractive credit packages, and energy efficiency support measures. For example, China and Germany have made significant progress through increased public awareness, increased real household incomes, and the introduction of a feed-in tariff system. The United Kingdom and Ukraine, which have undergone changes in monetary incentives or policy changes, have not made consistent progress. A strong fiscal stimulus and supportive institutional policies in the United States have led to significant improvements in energy efficiency and the expansion of renewable energy use in the residential sector. The study’s findings confirm that fiscal incentives, combined with progressive policies and public education, significantly promote sustainable energy practices in households. This study deepens our understanding of the implications of energy policies and suggests practical ways to further develop financial support systems. Key findings include the need for a personalized approach to assessing consumer energy habits, the active implementation of digital technologies for monitoring energy consumption, and the development of policy solutions tailored to the specifics of each country. Future research could focus on the long-term analysis of policy interventions and the expansion of the number of countries in the sample to increase the validity and generalizability of the results. Based on modeling data and cross-country rankings, it is recommended to focus on expanding targeted support for green credits, simplifying and ensuring transparency of energy subsidies, and using digital monitoring tools for Ukrainian households. To maximize the use of financial mechanisms in promoting the national energy transition, public education and long-term political stability are necessary.