COMBINED HEAT AND POWER UNITS (CHP UNITS) - fuel inputs, high efficiency production and capacity of CHP units
National Statistical Institute
|Contact organisation unit|
"Environmental and Energy Accounts" Department
|Contact person function|
|Contact mail address|
2, P. Volov str., 1038 Sofia, Bulgaria
|Contact email address|
|Contact phone number|
+359 2 9857 621
|Contact fax number|
|Metadata last certified||11 August 2015|
|Metadata last posted||11 August 2015|
|Metadata last update||11 August 2015|
Capacity, highly effective production of electricity and heat, fuel inputs and number of CHP units are presented by type of combined cycle.
· National Classification of Economic Activities (NCEA-2003, for international use NACE.BG-2003) is valid to 2007;
· Classification of Economic Activities - 2008 (CEA-2008, for international use NACE.BG-2008) in force as of 2008;
· Nomenclature of energy products as part of Nomenclature of Industrial Production (PRODCOM.BG) is valid to 2007;
· Nomenclature of energy products (PRODENERGY) in force as of 2008;
· Type of combined cycle.
|Statistical concepts and definitions|
Maximum electrical capacity (gross and net), Maximum net heat capacity, Electricity production (gross and high effective combined), Useful heat production, Fuel inputs for high effective combined production, Number of CHP units.
Enterprises licensed for cogeneration of electricity and heat.
Highly effective CHP plants.
For the Republic of Bulgaria.
|Unit of measure|
MWh, MW, TJ, t, 1000 m3
|Legal acts and other agreements|
Directive 2012/27/EC on energy efficiency that replaced the Directive 2004/8/EC.
|Confidentiality - policy|
· Law on Statistics;
· Regulation (EC) No 223/2009 on European statistics (recital 24 and Article 20(4)) of 11 March 2009 (OJ L 87, p. 164), stipulates the need to establish common principles and guidelines ensuring the confidentiality of data used for the production of European statistics and the access to those confidential data with due account for technical developments and the requirements of users in a democratic society:
|Confidentiality - data treatment|
Individual data are not published in accordance with article 25 of the Law on Statistics. The publishing of individual data can be performed only in accordance with article 26 of the same law.
The date for publication of statistical information is listed in the Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute. Statistical data are published until 30 November following the reported year.
|Release calendar access|
The calendar is available on the website of NSI: http://www.nsi.bg/en/node/480
Statistical data are published on the NSI website, section Energy in accordance with the Law on Statistics and the European Statistics Code of Practice respecting the professional independence and aimed at objectivity, transparency and equal treatment of all consumers.
|Frequency of dissemination|
|Accessibility and clarity|
Detailed results are available to all users of the NSI website under the heading Domain statistics -Energy - Combined heat and power units: http://www.nsi.bg/en/node/5047
|Documentation on methodology|
The Annexes I and II to Directive 2012/27/EC on energy efficiency that replaced the Directive 2004/8/EC.
The Eurostat methodology is applied.
The data are nationally representative.
Have not been studied.
Data are provided for all licensed companies with CHP.
|Accuracy and reliability|
Data are representative for the country.
|Timeliness and punctuality|
11 months after the reporting year.
The deadline for publication in compliance with Release Calendar presenting the results of the statistical surveys carried out by the National Statistical Institute.
|Coherence and comparability|
|Comparability - geographical|
Data are representative at national level, as required by the methodology.
|Comparability - over time|
Data across time series are calculated by one methodology and are fully compatible.
|Coherence - cross domain|
|Coherence - internal|
Data are compared with the Solutions of the State Energy and Water Regulatory Commission (SEWRC).
|Cost and burden|
|Data revision - policy|
|Data revision - practice|
Questionnaires for heat and electricity production of CHP units.
|Frequency of data collection|
Data collection by a form in Excel format, received by email.
Data are compared with other studies on energy statistics.
Data are aggregated at national level.