San Marino is almost entirely dependent on imported electricity (primarily from Italy) and fossil fuels, lacking significant internal power generation, with 0% domestic renewable electricity generation reported in recent, comprehensive data. The energy mix relies heavily on imported natural gas and oil, with, notably, 0% electricity production from fossil fuels, renewables, or nuclear reported as of 2022, highlighting reliance on external grids. The country is working toward sustainability through projects in solar, wind, and geothermal, aiming to reduce consumption and emissions.

San Marino is included in international discussions and surveys regarding the adoption of green hydrogen as a clean energy future, alongside other nations evaluating renewable-powered electrolysis for decarbonization. While not a major producer yet, it is listed among countries participating in global green hydrogen initiatives.