1. Supplies to the Telecommunications Department (22.42 percent of all supplies);

• Office licenses
• Installation and implementation of new IT systems
• Hardware products
• Other IT licenses
• System licenses
• Business licenses, including ERP
• Servers, matrices, libraries
• ICT infrastructure
• Network devices
• IT systems maintenance services.

2. Supplies to the Operations Department (13.39 percent of all supplies);

• Electricity
• Overhauls and modernisation of power substations
• Current and voltage transformers
• Electrical materials
• Other overhauls and modernisation
• Automation systems
• Steel structures
• Removal of failures at power substations
• Other technical equipment
• Operational works on EHV lines
• Fire protection equipment and services
• Transformers and transformer parts
• OPGW cables
• Construction of electrical power lines
• Transformers.

3. Supplies to the Administration and Procurement Department (11.19 percent of all supplies);

• Security
• Work and protective clothing
• Trucks
• Office supplies
• Other technical equipment
• Office furniture
• Other technical materials
• Press and books
• Energy and nutritional meals
• Transformer stations
• Equipment of buildings
• Specialised vehicles
• Additional equipment
• Power supply systems and battery banks
• Network devices.

4. Supplies for the Security Department (3.32 percent of all supplies);

• Additional equipment
• Motor fuels
• Specialised vehicles
• Other IT licenses

and others for the Energy Metering Office and the Human Resources Department (together 0.06 percent of all supplies).