Assoc. Prof. Dr. Lulin RADULOV

Member of BSERC and its manager since 2007, electrical engineer, associated professor.

Dr. Radulov has more than 30 years of experience as a project manager and senior researcher of energy-related projects funded by national and international sources, incl. EU programmes - FP5-7, IEE, Horizon 2020, and others. His main fields of expertise cover reliability of energy supply, liberalization of energy markets, energy efficiency, renewable energy, and climate change. Dr. Radulov is a member of the Board of Trustees of the Technical University of Sofia.


Member of BSERC, senior electrical and regulatory expert.

Angel Minev is an electrical engineer with sound experience in combining gas/electricity/heat and EE/RE as part of the work he carried out in harmonizing Bulgarian energy legislation with European Directives in accordance with market liberalization principles. He has also been involved in energy efficiency and RES programmes and demand-side management, sector policy preparation and implementation, including investment analysis, financing models, business plans and feasibility studies for several energy projects. 

Prof. Nikola KALOYANOV

PhD in Thermal Engineering, full professor at the Technical University of Sofia and member of BSERC.

Prof. Kaloyanov has over 35 years of experience in analysis and synthesis of thermal systems and energy efficiency improvement in Bulgaria. This includes industrial systems, buildings, heating, ventilating and air-conditioning systems, district heating systems, and renewable energy sources utilisation. He has been Team Leader or Team Member in more than 250 national and 35 international (EC, USAID, GEF, World Bank, EBRD) projects related to energy auditing, building energy modelling and simulation, energy performance evaluation, optimisation studies, demand analysis. He was team leader of working groups for EU harmonization policy and implementation of energy performance of buildings and energy end-use efficiency and energy services directives, regulations, standards, methods and tools in building sector and heat supply, research & development, education, training, demonstration projects, monitoring and reporting.


Coal mining engineer with extensive experience in mining and utilization of lignite resources.

Being chief designer, deputy executive and executive director of large Bulgarian mining enterprises, he managed the development and implementation of many complex coal mining projects, i.e. geological, mining, water, electro, mechanical, automation, and economic parts.


Member of BSERC, expert in energy economics and policy.

Angel has got 15 years of experience in EU-funded (Horizon 2020, IEE, FP7, FP6) and national projects on energy and climate change mitigation modelling, energy service market studies, energy efficiency and renewable energy strategies, plans and programmes, and financial sources and schemes.

Prof. Dr. Nikolay VASSILEV

Member of BSERC, senior expert in lighting.

Prof. Vassilev has educated generations of Bulgarian light engineers at the Technical University of Sofia. He is a well-known lighting expert with more than 30 years of active professional and scientific appearances in design and implementation of large projects in the field of indoor, street, tunnel, sports lighting; participation in international research and dissemination projects; development and updating of the national regulatory framework in the field of lighting; participation in editorial boards of international magazines. Prof. Vassilev is author of hundreds of articles in international and Bulgarian scientific magazines, and of 8 professional books.


Electrical engineer, lighting specialist, designer, expert in outdoor lighting systems.

Boris has got 20 years of professional experience in the field of energy efficient modernization of lighting systems. He has participated in a number of projects funded by Bulgarian and EU sources and programmes in lighting of public and industrial buildings, street lighting reconstruction of Bulgarian municipalities, modernization of industrial and street lighting in Europe.


Thermal and nuclear engineer, president of the Bulgarian District Heating Association and of the Industrial Association of Varna, Member of the Consulting Union of the Bulgarian Industrial Association.

Ilia Nikolaev has more than 40-year professional experience in the operation and management of the District Heating Companies of Ruse and Varna. He possesses exhaustive knowledge of energy production and heat distribution (CHP), repair and operation of energy equipment, energy efficiency, environmental protection, planning, organization, legislation. His main activities has been relating to the elaboration of methodologies for monitoring and evaluation of performance for various investment projects in the DH production and distribution areas, including gas/coal/fuel fired boilers, gas cogeneration installations, flue gas heat recovery installations, steam turbines, district heating network pipelines, etc.; analysis and evaluation - on monthly and annual basis – of the economic and environmental impact of a wide range of investment projects in the DH sector (incl. fuel switch projects, cogeneration installation, boilers’ adaptation from steam to hot water, implementation of flue gas heat recovery on boilers and cogeneration engines, etc.).


Member of BSERC, engineer, Doctor in internal combustion engines, qualification in financial management and macroeconomics.

Until 1989 he worked as a manager of import and after-sales car care in Bulgaria. Since 1989 he has been a senior advisor, Director of the Economic policy directorate of the Council of Ministers of the Republic of Bulgaria and in the period 1997-2001 adviser to the Prime Minister on the structural reforms, energetics and economic balances of the country. As a senior civil servant he directly participated in and led the preparation of analyzes, research, drafting of programming documents and draft laws for state governance purposes in the fields of economy, energetics, privatization and concessions. He has numerous contributions to research and projects of non-governmental organizations such as the Center for the Study of Democracy, the Center for Economic Development, the Center for Risk Analysis and Management, and others in the field of economy and public finance. Mr. Bachvarov has over 150 publications in the field of macroeconomics, energetics and public finance.