As an Electrical Transmission System Operator, you will need to master following:

• adapt energy distribution schedules
• coordinate electricity generation
• develop strategies for electricity contingencies
• manage electricity transmission system
• respond to electrical power contingencies

More generally, an electrical transmission system operator is also versed in:

• electric current
• electrical power safety regulations
• electricity
• electricity market
• ensure compliance with electricity distribution schedule
• ensure safety in electrical power operations
• test procedures in electricity transmission
• transmission towers

It also helps to know the following:

• develop electricity distribution schedule
• read electricity meter
• smart grids systems
• supervise electricity distribution operations
• advise on safety improvements
• analyse energy market trends
• assess areas for power line installation
• electrical discharge
• electricity consumption
• ensure compliance with environmental legislation
• ensure equipment maintenance
• inspect overhead power lines
• inspect underground power cables
• monitor automated machines
• perform minor repairs to equipment
• resolve equipment malfunctions
• wear appropriate protective gear