According to data released by the Bulgarian electricity transmission system operator ESO, electricity production in Bulgaria increased by 11.81% in the period from January 1 to June 1, 2025, compared to the same period in 2024, reaching a total of 17.79 terawatt-hours (TWh).
During the same timeframe, Bulgaria’s electricity consumption rose by 7.82%, totaling 16.89 TWh. As a result, net electricity exports reached 0.9 TWh in 2025.
Baseload power plants, including coal and nuclear facilities, generated 13.64 TWh of electricity in the first half of 2025, marking a 15.2% increase compared to 2024.
The share of electricity produced from renewable energy sources (RES) also grew significantly. In the transmission network, RES output rose by 15.67% to 1,425.1 gigawatt-hours (GWh), while in the country’s distribution network, the RES share increased by 22.15%, reaching 1,524.6 GWh.