energy storage 3 акумулювання енергії Director of the Institute of Renewable Energy NAS of Ukraine. Education: granduated from the Kyiv Polytechnic Institute in 1979 with a degree «Electrochemical Productions Technology». Research area: renewable energy sources 1 Dоctor of Technical Sciences 1 Professor 1 autonomous grid 1 hydraulic ram 1 hydrogen economy. С.О. Кудря S. Kudrya Відомості про автора: член-кореспондент НАН України 1 hydrogen energy 1 hydrogen energy. Publications: 375. ORCID: 0000-0002-4798-6853 Contacts: 38 (044) 206-28-09 e-mail: renewable@ukr.net 1 industrial power engineering 1 mathematical model 1 photovoltaics 1 power plant 1 pumped storage 1 renewable energy 1 renewable energy sources 1 sa.kudria@gmail.com 1 sa.kudria@gmail.com Author information: corresponding member of NAS of Ukraine 1 solar power 1 solar radiation 1 storage 1 wind power 1 автономна енергосистема 1 автономная энергосистема 1 аккумулирование энергии 1 акумулювання 1 ветроэлектростанция 1 воднева економіка 1 воднева енергетика 1