- Technical management of tranismission transmission flows
- Providing sufficient information to any operator of other systems which are connected to the transmission system
- Dispatching of generating installations and balancing (electricity)
- Preservation the confidentiiality confidentiality of information
\- Submission to the relevant regulatory authority a ten-year network plan every year \[art. 22 Dir. 2009/72/EC (electricity) and art. 22 Dir. 2009/73/EC (gas)\]. \\
The directives oblige TSOs to have a supervisory body which can take decisions with a significant impact on the value of the assets as well as implement compliance programmes in order to ensure a non-discriminatory conduct \[art. 20, 21 Dir. 2009/72/EC (electricity) and art. 20, 21 Dir. 2009/73/EC (gas)\].\\
In return for providing access to the transmission grid, the TSO receives network access tariffs from the users.