Instructions for working with clients

Information code

The activities of the Energy Agency of the Republic of Serbia (AERS) are stipulated by the Energy Law (Articles 10 and 15), as well as the the authorisation of AERS to request data and documents from energy entities, which are necessary for performing its activities (Article 16.).An Information Code, namely a set of tables to be filled-in by the energy entities has been developed in order to collect part of the needed data on energy entities related to performing their energy activities. The Information Code defines data and documentation needed for:

  • giving an opinion of AERS in the process of determining regulated prices, in compliance with the Energy Law (prices for the access and use of electricity transmission, electricity distribution, natural gas transportation and natural gas distribution systems, system for oil transportation via oil pipelines and oil derivatives via product pipelines, electricity and natural gas prices for tariff customers)
  • monitoring data on energy entities related to performing their energy activities.
The Information Code defines formats and time frames for submission of data to AERS.


Completed Info Code tables are submitted by e-mail to the Agency’s address: infocode@aers.rs

News
Archive
AERS: Decision on Prices of Non-Frequency Ancillary Services for 2026

Belgrade, February 5, 2026. 

On the session held on February 5, 2026, the Council of the Energy Agency of the Republic of Serbia has adopted Decision on Prices of Non-Frequency Ancillary Services for 2026.

AERS Council Adopted Opinion on Method of Procurement of Non-Frequency Ancillary Services

Belgrade, February 5, 2026.

On the session held on February 5, 2026, the Council of the Energy Agency of the Republic of Serbia has adopted a decision on the adoption of the text of the opinion on the method of procurement of non-frequency ancillary services which has been adopted upon a notification of the Joint Stock Company “Elektromreža Srbije”, Beograd.  

AERS: Methodology for Setting Prices of Non-Frequency Ancillary Services Adopted

Belgrade, January 29, 2026.

On the session held on January 29, 2026, the Council of the Energy Agency of the Republic of Serbia has adopted Methodology for Setting Prices of Non-Frequency Ancillary Services. The Methodology has entered into force on the day following the date of its publication in the Official Gazette of the Republic of Serbia (“Official Gazette of RS”, No. 11/26). 

AERS: Approval of the EMS AD Transmission Network Code

Belgrade, 26 December 2025

On the session held on 25 December 2025, the Council of the Energy Agency of the Republic of Serbia has adopted a decision granting approval to the Transmission Network Code prepared by the transmission system operator of the Republic of Serbia, EMS AD.

The main reason for adopting the new Transmission Network Code is alignment with the new Energy Law of November 2024, the Decree on the Conditions of Electricity Delivery and Supply, as well as harmonization with European network codes (adapted EU regulations) that have been transposed into the legislative framework of the Republic of Serbia.

AERS: Approval of the Electricity Market Code

Belgrade, 26 December 2025

On the session held on 25 December 2025, the Council of the Energy Agency of the Republic of Serbia has adopted a decision granting approval to the amendments to the Electricity Market Code prepared by the transmission system operator of the Republic of Serbia, EMS AD.

The main reason for adopting the new Electricity Market Code is alignment with the new legislative framework, as well as the improvement of processes and the elimination of shortcomings recognised in previous practice.


Active suppliers for electricity supply
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Annual report 2024.
Instructions for working with clients