ENThe increasing relevance of the concept of sustainable finance encourages research into the impact it can have on a country's economic performance. The concept of sustainable finance itself is defined in various ways, and different concepts lead to different approaches to the impact not only on the economy, but also on the environment and social areas. Sustainable finance may exert a positive impact on both climate change mitigation and energy efficiency. In order to analyze the impact of sustainable finance in Lithuania in the period 2009-2023, correlation and regression analyses were used. The results did not show a short-term relationship, but, in the long term, a statistically significant positive impact of sustainable finance on the country's economy was obtained. Keywords: sustainable finance, green finance, energy efficiency, ESG, sustainable development.