As of 2025, Bulgaria's electricity consumption landscape reveals a commendable tilt towards low-carbon sources. More than 72% of the country's electricity is generated from these clean energy sources. Notably, nuclear power plays the most significant role, contributing nearly 40% of the total electricity, making it a cornerstone of the low-carbon strategy. Solar energy is also making a substantial contribution, generating approximately 17% of the electricity, which reflects significant progress in harnessing the sun's power. Hydropower provides almost 8%, while wind energy accounts for a smaller portion, at about 3.5%. Meanwhile, fossil fuels supply close to a third of the electricity mix, with coal and gas being the main contributors. The reliance on fossil fuels, though less than in previous years, indicates room for improvement as Bulgaria moves towards a more sustainable future.
Data sources used on this page include EIA, ENTSOE, Eurostat and IEA. More about data sources →
Is Electricity Growing in Bulgaria?
There is a concerning trend in Bulgaria regarding overall electricity consumption per capita. In 2025, the electricity usage stands at around 5482 kWh per person, representing a noticeable decline from the 2011 high of 6883 kWh per person. This decrease of 1401 kWh per person reflects a shrinking or stagnating electricity demand. However, on a brighter note, Bulgaria has achieved a new milestone in low-carbon electricity generation, reaching 3968 kWh per person, a modest increase of 145 kWh per person from the previous record set in 2024. This underscores some progress in clean energy adoption, even if the total electricity consumption trends raise concerns about overall growth in the sector.
Suggestions
To bolster its low-carbon electricity generation, Bulgaria can expand its existing nuclear and solar capacity. By taking cues from successful regions globally, Bulgaria can achieve even more remarkable outcomes. For instance, countries like France and Slovakia rely heavily on nuclear power, generating around two-thirds of their electricity from this source. This signals a potential path for Bulgaria to strengthen its nuclear capabilities further. Additionally, while solar energy already contributes significantly to Bulgaria's electricity mix, substantial potential remains to emulate regions like California and Lebanon, where solar energy plays an even more prominent role. Embracing these tried-and-tested strategies will enable Bulgaria to sustainably transition away from fossil fuels, paving the way for a greener future.
History
Reflecting on the historical trajectory of Bulgaria's low-carbon electricity generation reveals some pivotal moments. In the 1980s and 1990s, nuclear energy was a key component, with several significant expansions, such as in 1981, 1983, and 1988. However, the 1990s also witnessed critical setbacks, including reductions in nuclear output in 1991 and 1992. The early 2000s saw another round of ups and downs for nuclear energy, notably with significant output reductions in 2003 and 2007. However, the 2010s introduced a new wave of low-carbon focus with noticeable improvements in hydropower by 2010 and subsequent increases throughout that decade. The more recent solar push, highlighted by gains in 2024, demonstrates Bulgaria's commitment to expanding its green energy portfolio, an effort that should be commended and intensified going forward.
