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Bulgaria: Fuels
Country Study > Chapter 3 > The Economy > Economic Sectors > Fuels


In 1989 Soviet imports supplied Bulgaria with 95 percent of its coal, 90 percent of its crude oil, and 100 percent of its natural gas. Although Bulgaria imported the majority of its raw materials for energy and industrial requirements, some domestic fuels and minerals were available. A small supply of hard coal was depleted rapidly in the 1980s; in 1987 only 198,000 tons were mined. More ample deposits of low-quality lignite yielded 31,400,000 tons in 1987, but those fuels were relatively inefficient energy producers and high polluters. In 1990 the Maritsa Basin in south-central Bulgaria was expected to remain the prime source of lignite for the foreseeable future; yearly production at its Maritsa-iztok open-pit mines was projected to reach forty million tons after the year 2000.

Data as of June 1992

Last Updated: June 1992

Editor's Note: Country Studies included here were published between 1988 and 1998. The Country study for Bulgaria was first published in 1992. Where available, the data has been updated through 2008. The date at the bottom of each section will indicate the time period of the data. Information on some countries may no longer be up to date. See the "Research Completed" date at the beginning of each study on the Title Page or the "Data as of" date at the end of each section of text. This information is included due to its comprehensiveness and for historical purposes.

Note that current information from the CIA World Factbook, U.S. Department of State Background Notes, Australia's Department of Foreign Affairs and Trade Country Briefs, the UK's Foreign and Commonwealth Office's Country Profiles, and the World Bank can be found on

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