Rosset and the UES system operator started harmonising the format of information exchange. This is one of the key tasks for digital transformation. Unification will eliminate the problems of heterogeneity and multitemporal update of data, will help reduce the time of implementation of digital systems and their cost. By November 30, 2020 the parties will launch a digital platform for data exchange, and the interconnection of digital platforms Rossetei and UES is planned to be completed in 2024.