Bulgarian electricity trader Eurohold Trade, part of holding company Eurohold Bulgaria (<a href="https://bse-sofia.bg/en/issuer-profile/EUBG/" target="_blank">BUL:EUBG</a>), has reached a deal to use a software solution of German technology firm The Mobility House (TMH) to optimise the management of a portfolio of up to 1 GW of solar assets and 2,500 MWh of energy storage solutions.