Bulgaria's energy future depends on gas as a bridge between coal, renewables, and energy independence. The Russian invasion of Ukraine forced many countries in Europe, including Bulgaria, to rethink their energy strategies and portfolios. . In 2023, Bulgaria accounted for around 1. 2 % of the EU's net greenhouse gas (GHG) emissions, and achieved a net emissions reduction of 22. 4 % between 2005 and 2023, while its net carbon removals in the land use, land-use change. . This chapter explores Bulgaria's green transformation within the framework of the European Green Deal, analyzing its progress, challenges, and opportunities in the energy transition process. The Bulgarian electricity market is currently in transition, but nuclear power is expected to remain. .
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