1. On Environmental Protection, Federal Law №7 (2002)
2. On Energy Saving and on Improving Energy Efficiency and on Amending Certain Legislative Acts of the Russian Federation, Federal Law №261 (2009)
3. Federal State Statistics Service, Russian statistical yearbook (2017)
4. Federal State Statistics Service, Official statistics, Balance of energy resources (2017)
5. BURONDT, Best Available Techniques (2018)