1. Modelling the Baltic power system till 2050;Blumberga;Energy Conversion and Management,2016
2. European Commission. Communication from the commission to the European parliament, the council, the European economic and social committee and the committee of the regions. Energy Roadmap 2050. Brussels; 2011.
3. Ministry of Economics of Republic of Latvia. Information Report: Republic of Latvia National Renewable Energy Action Plan for implementing Directive 2009/28/EC of the European Parliament and of the Council of 23 April 2009 on the promotion of the use of energy from renewable sources and amending and, subsequently repealing Directives 2001/77/EC and 2003/30/EC by 2020.
4. A policy framework for climate and energy in the period from 2020 to 2030; 2015. Brussels; 2014.
5. Results of Investment Analysis in Power Transmission in Latvia and Lithuania;Lauka;Energy Procedia,2016