renewable energy sources 2 відновлювані джерела енергії 2 Blazor 1 Docker 1 ELK 1 Feed-in tariff 1 Identity Service 1 OAuth 2.0 1 RES support schemes 1 REST API 1 UDC 681.3 1 Web Sockets 1 auction model 1 auction price 1 auction system 1 auctions 1 broker 1 cloud computing 1 competitive bidding and auctions 1 district heating market 1 district heating system 1 e-procurement automation; REST API; Blazor; Web Sockets; Identity Service; OAuth 2.0; Docker; ELK 1 e-procurement; auction 1 electricity market 1 green tariff rates 1 hybrid system 1 lan-«s-bot» 1 market conditions 1 multifactor optimization 1 preferential tariff 1