Tenders

INVERSE STORAGE WITH ASSET LOAN (3Q26/SUM27)

NAFTA a.s. is currently offering Inverse Storage with Asset Loan for 3Q26/SUM27 in a tender procedure. The storage capacity available for this offer is in the amount of up to 2 TWh for the storage period from Gas Day 1 July 2026 to Gas Day 30 September 2027.
Related documents:

Invitation (Tender Conditions)
Application
Agreement
Framework Agreement

For more information do not hesitate to contact us at storage@nafta.sk.

Pursuant to the above-mentioned Invitation and the applicable Tender Conditions, the following tranche is hereby announced: 

Tranche volume: 210,816 MWh, divided into eight (8) Standard Bundled Units. 

Application period: Applications may be submitted on 20 March 2026 by 11:00 CET.

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INVERSE STORAGE WITH ASSET LOAN 2027/2028

NAFTA a.s. is currently offering Inverse Storage with Asset Loan for 2027/2028 in a tender procedure. The storage capacity available for this offer is in the amount of up to 2 TWh for the storage period from Gas Day 1 April 2027 to Gas Day 30 September 2028.
Related documents:

Invitation (Tender Conditions)
Application
Agreement
Framework Agreement

For more information do not hesitate to contact us at storage@nafta.sk.

Pursuant to the above-mentioned Invitation and the applicable Tender Conditions, the following tranche is hereby announced: 

Tranche volume: 210,816 MWh, divided into eight (8) Standard Bundled Units. 

Application period: Applications may be submitted on 18 March 2026 by 11:00 CET.

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INVERSE STORAGE WITH ASSET LOAN 2027/2029

NAFTA a.s. is currently offering Inverse Storage with Asset Loan for 2027/2029 in a tender procedure. The storage capacity available for this offer is in the amount of up to 2 TWh for the storage period from Gas Day 1 April 2027 to Gas Day 30 September 2029.
Related documents:

Invitation (Tender Conditions)
Application
Agreement
Framework Agreement

For more information do not hesitate to contact us at storage@nafta.sk.

Pursuant to the above-mentioned Invitation and the applicable Tender Conditions, the following tranche is hereby announced: 

Tranche volume: 316,224 MWh, divided into twelve (12) Standard Bundled Units. 

Application period: Applications may be submitted on 31 March 2026 by 14:00 CET.

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SIMPLIFIED TENDER FOR STORAGE CAPACITY ALLOCATION

NAFTA a.s. also allocates Storage Capacity through Simplified Tenders, taking into account the specific nature of certain Storage Services and their respective storage periods.

To participate in a Simplified Tender, market participants must meet the following conditions:

• Complete the KYC process and financial assessment.
• Have a valid Framework Agreement with NAFTA a.s.

For more details on Simplified Tenders, please refer to our Rules of Operation. If you are interested in entering into a Framework Agreement with NAFTA a.s. or have any questions, please contact us at storage@nafta.sk.