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Energy Balance Sheets 2015

Published at: 01.03.2017 - 12:15
The National Statistical Institute has the pleasure to present of users on statistical information its new electronic publication Energy Balance Sheets 2015. The annual bilingual publication contains data for 2009 - 2015 period on energy statistics obtained from the current surveys of the National Statistical Institute.
The issue presents also detailed information on:
• Commodity energy balances - coal and coal products, crude oil and petroleum products, natural gas, renewables, electricity and heat;
• Overall energy balance sheet;
• Primary energy production;
• Gross inland energy consumption;
• Transformation input/output;
• Final energy consumption;
• Product definitions;
• Energy balance indicators;
• Specific conversion factors.
The overall energy balance sheets for 2014 and 2015 are presented in three matrixes according to Eurostat’s methodology:
• primary energy matrix;
• transformed energy matrix;
• final energy consumption matrix.
Transformation input in power and heat plants is included.
Data in tables concerning international comparisons are taken from: 
• Eurostat Database - Energy Statistics;
• Sustainable development indicators - theme 6 'Climate change and energy'.
Data are presented in volume measures - tons, cubic meters, kWh, etc. The common energy unit used for the overall energy balance sheet is ‘ton of oil equivalent’.
The following dependence exists between units:
1 GJoule = 0. 239 Gcal = 278 kWh = 0. 02389 toe. 
Periodicity of the publication is annual.
The publication is available on CD-ROM and is published on the NSI website.
Price (including mailing costs):
EUR 15 for a CD
Price includes VAT.
The issue could be ordered at the following address:
National Statistical Institute
Publications, Library and Digital Products Department
2, Panayot Volov St.
1038 Sofia,
e-mail: [email protected]

Purchase by bank transfer:
NSI Bank Account
Bulgarian National Bank
Knyaz Alexander Battenberg Square, Sofia
IBAN BG84 BNBG 9661 3000 1190 01

Statistical domain