[5] Cimdina G., Timma L., Veidenbergs I., Blumberga D. Environmental and Climate Technologies Methodologies Used for Scaling-up From a Single Energy Production Unit to State Energy Sector. Environmental and Climate Technologies 2015:15(1):5–21. https://doi.org/10.1515/rtuect-2015-000210.1515/rtuect-2015-0002
[7] Pakere I., Lauka D., Blumberga D. Estimation of Carbon Emission Reduction from Upgrading the DH Network to the 4th Generation. Multivariate Linear Regression Model. Environmental and Climate Technologies 2019:23(2):64–73. https://doi.org/10.2478/rtuect-2019-005510.2478/rtuect-2019-0055
[8] Polikarpova I., Lauka D., Blumberga D., Vigants E. Multi-Criteria Analysis to Select Renewable Energy Solution for District Heating System. Environmental and Climate Technologies 2019:23(3):101–109. https://doi.org/10.2478/rtuect-2019-008210.2478/rtuect-2019-0082
[10] Nielsena B. F., Baerb D., Lindkvista C. Identifying and supporting exploratory and exploitative models of innovation in municipal urban planning; key challenges from seven Norwegian energy ambitious neighborhood pilots. Technological Forecasting & Social Change 2019:142:142–153. https://doi.org/10.1016/j.techfore.2018.11.00710.1016/j.techfore.2018.11.007
[13] Ziemele J., Gravelsins A., Blumberga A., Blumberga D. Combining energy efficiency at source and at consumer to reach 4th generation district heating: Economic and system dynamics analysis. Energy 2017:137:595–606. https://doi.org/10.1016/j.energy.2017.04.12310.1016/j.energy.2017.04.123
[15] Vakulenko I., Myroshnychenko I. Approaches to the Organization of the Energy Efficient Activity at the Regional Level in the Context of Limited Budget Resources during the Transformation of Energy Market Paradigm. Environmental and Climate Technologies 2015:15(1):59–76. https://doi.org/10.1515/rtuect-2015-000610.1515/rtuect-2015-0006
[18] Long-term targeted program “Energy-saving and enhancement of the energy performances on the territory of Irkutsk region in 2011–2015 and for the period till 2020”. [Online]. [Accessed 10.11.2019]. Available: https://gisee.ru/law/programs/47135
[21] Wang, J. J., Jing, Y. Y., Zhang, C. F., Zhao, J. H. Review on multi-criteria decision analysis aid in sustainable energy decision-making. Renewable and Sustainable Energy Reviews 2009:13(9):2263–2278. https://doi.org/10.1016/j.rser.2009.06.02110.1016/j.rser.2009.06.021
[27] Jahanshahloo G. R., Lotfi F. H., Izadikhah M. An algorithmic method to extend TOPSIS for decision-making problems with interval data. Applied Mathematics and Computation. 2006:175(2):1375–1384. https://doi.org/10.1016/j.amc.2005.08.04810.1016/j.amc.2005.08.048