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  • Key Indicators
  • 16 Jan
  • 2026
  • Overall energy balance

Primary energy consumption and Energy dependency - 2024

NSI has published data for 2024 on energy indicators Primary energy consumption and Energy dependency, calculated from the Overall Energy Balance of t ...

  • 9 Jan
  • 2026
  • Overall energy balance

Overall energy balance and renewables - 2024

NSI has published revised annual data on the Overall Energy Balance and Renewables for 2024 as a result of the later completed regular procedure for d ...

  • 9 Jan
  • 2026
  • Energy

Share of renewable energy in gross final energy consumption - 2024

In 2024, compared to the previous 2023, an insignificant increase in the share of renewable energy in the gross final energy consumption in the countr ...

  • 22 Dec
  • 2025
  • Environment

Protected natural scenery and zones of National Ecological Network - 2024

In 2024, the area of protected natural scenery in Bulgaria amounted to 585 500 ha, or 5.3% of the country’s territory, which was 1 128 ...

  • 22 Dec
  • 2025
  • Environment

Registered noise levels - 2024

In 2024, 744 noise level measurement points were surveyed, located in 36 settlements, and levels above the permissible norms were measured in 506 poin ...

  • 19 Dec
  • 2025
  • Energy

District heating and cooling systems - 2024

The net heat production from district heating systems in the country decreased by 2.5% to 25 068 terajoules in 2024 compared to the previous year. CH ...

  • 19 Dec
  • 2025
  • Energy

Combined heat and power units (CHP units) - 2024

In 2024, the production of high-efficiency electricity from combined heat and power (CHP) generation amounted to 3 412 GWh, reflecting a 5.3% increase ...

  • 19 Dec
  • 2025
  • Environment

Physical energy flow accounts - 2023

In 2023, compared to 2022, there was a decrease in the extraction of natural energy inputs from the environment - by 20.3% to 428 473 TJ (Tables A and ...

  • 19 Dec
  • 2025
  • Environment

Air emission accounts - 2023

In 2023, compared to 2022, there was a decrease in emissions of harmful substances and greenhouse gases, with the exception of emissions of two greenh ...

  • 28 Nov
  • 2025
  • Overall energy balance

Overall energy balance sheet - 2024

In 2024, compared to the previous year, the total energy supply in the country decreased insignificantly - by 0.28% to 17 043.129 thousand tons of oil ...

  • 28 Nov
  • 2025
  • Overall energy balance

Renewables - 2024

The primary energy production from renewables in the country increased by 2.73% to 2 787.436 thousand tons of oil equivalent in 2024 compared to the p ...

  • 31 Oct
  • 2025
  • Environmental goods and services

Environmental goods and services - 2023

In 2023, the total value of the produced environmental goods and services by groups of environmental purposes amounted to 11 002 million BGN, which is ...

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