Public Auctions for the Sale of Electricity Produced at TEŠ and the Purchase of Emission Allowances for the Operation of TEŠ
The company Borzen, through its Centre for RES/CHP support, was, in accordance with the third paragraph of Article 9 and the second paragraph of Article 36 of the Act on Transitional Financing of the Accelerated and Fair Exit from Coal (Official Gazette of the Republic of Slovenia, No. 109/2024, dated 20 December 2024), appointed to conduct the operational implementation of public auctions for the sale of electricity produced at the Šoštanj Thermal Power Plant (TEŠ) and the purchase of emission allowances required for its operation.
This ensures a transparent, impartial, and efficient process for selling electricity and purchasing the required number of emission allowances, thus enabling the uninterrupted operation of TEŠ in accordance with the aforementioned law.
The auction procedures rules are defined in the following documents:
Results of the auctions, conducted on December 11, 2025
More information on both public auctions is available here.
Upcoming Auctions Announcement
An individual public auction shall be announced at least 8 working days before its execution by publishing the document "Public Auction Announcement", which is an annex to the General Rules for Public Auctions.
Conditions for Participation and Auction Registration
To participate in a specific public auction, companies must meet the following conditions:
1. Registration
Companies interested in participating must complete a one-time registration, which enables participation in all future auctions of the same type. Separate registrations are required for Electricity sale auctions, and Emission allowance purchase auctions. If the company meets the criteria, it may register for both types of auctions.
Registration requirements
- for electricity sale auctions:
- Membership in the Slovenian balance scheme, either as a balance group responsible party or a balance subgroup responsible party,
- A completed and signed registration form.
- for emission allowance purchase auctions:
- An extract from the business or court register (not older than 30 days),
- Full and active membership on one of the following exchanges: ICE Endex or EEX,
- A completed and signed registration form.
2. Financial Guarantee
To participate in a specific public auction, the registered company must submit a financial guarantee to secure the seriousness of the offer by the published deadline.
Forms
- for electricity sale auctions:
- for emission allowance purchase auctions:
Results of finished auctions
In accordance with the aforementioned law, four public auction rounds have already been carried out in 2025. Details of these auctions are available on the link below:
For questions regarding the public auctions, the interested public can contact us via Phone +386 1 620 76 57 or Email avkcije@borzen.si.