Bulgartransgaz secures loan for Vertical Gas Corridor project
By Global Infrastructure Sherpa · Sep 15, 2025
Vertical Gas Corridor project
Project
Bulgartransgaz signed a long-term loan agreement with United Bulgarian Bank to finance the Vertical Gas Corridor project, which aims to increase transit capacity for natural gas flowing between Greece and Ukraine. The infrastructure on Bulgarian territory is expected to be completed by October 1, 2026.
Deal Analysis
Bulgartransgaz's securing of a long-term loan from United Bulgarian Bank to finance the Vertical Gas Corridor project represents a crucial step in bolstering natural gas transit capacity between Greece and Ukraine. This financing underscores the commitment to enhancing regional energy infrastructure and facilitating increased gas flows. The project, slated for completion by October 1, 2026, will likely improve energy security and diversification options for countries along the corridor.
The deal is notable for its focus on expanding cross-border gas transmission capabilities, a strategic priority given the evolving geopolitical landscape and the need for diversified energy sources. As the developer and a key player in Bulgarian natural gas transmission, Bulgartransgaz's involvement lends credibility to the project. While the specific loan value is not provided, the agreement signifies a significant investment in infrastructure development within the region. The successful completion of the Vertical Gas Corridor could have far-reaching implications for energy markets in Southeast Europe.
- Financing secured for the Vertical Gas Corridor project.
- Bulgartransgaz, a key Bulgarian natural gas transmission operator, is the developer.
- Project aims to increase gas transit capacity between Greece and Ukraine.
- Infrastructure on Bulgarian territory is expected to be completed by October 1, 2026.
Market Context: The deal occurs within the context of increasing demand for diversified natural gas supply routes in Southeast Europe, driven by geopolitical factors and the need for energy security. Bulgaria plays a strategic role in regional gas transmission, and investments in infrastructure like the Vertical Gas Corridor are crucial for meeting evolving energy needs.
Source Intelligence
KEY DETAILS
The loan agreement is for 200 million levs, which is equivalent to $119.5 million/102.3 million euro. Quote: "Bulgarian state-owned gas transmission operator Bulgartransgaz said Friday that it has signed a 200 million levs ($119.5 million/102.3 million euro) long-term loan agreement with United Bulgarian Bank (UBB) to finance the Vertical Gas Corridor project"
In July, Bulgartransgaz selected UBB to provide the five-year loan during a procedure that attracted 781.8 million euro ($915 million) in financing across all bids. Quote: "In July, Bulgartransgaz selected UBB to provide the five-year loan during a procedure that attracted 781.8 million euro ($915 million) in financing across all bids."
Bulgaria's 2025 budget allows up to 625 million levs in state guarantees for Bulgartransgaz loans to expand its gas network. Quote: "Bulgaria's 2025 budget allows up to 625 million levs in state guarantees for Bulgartransgaz loans to expand its gas network."
“
Deal Size
Bulgartransgaz Secures 102 Mln Euro Loan for Vertical Gas Corridor
“
Location
The infrastructure on Bulgarian territory is expected to be completed by October 1, 2026.
“
Financials
Bulgartransgaz Secures 102 Mln Euro Loan for Vertical Gas Corridor
“
Announcement
Monday, 15 September 2025
“
Signing
Bulgarian state-owned gas transmission operator Bulgartransgaz said Friday that it has signed a 200 million levs ($119.5 million/102.3 million euro) long-term loan agreement with United Bulgarian Bank (UBB) to finance the Vertical Gas Corridor project
“
COD
The infrastructure on Bulgarian territory is expected to be completed by October 1, 2026.
PARTIES MENTIONED IN SOURCE
B
Bulgartransgaz
borrower
"Bulgarian state-owned gas transmission operator Bulgartransgaz said Friday that it has signed a 200 million levs ($119.5 million/102.3 million euro) long-term loan agreement with United Bulgarian Bank (UBB) to finance the Vertical Gas Corridor project"
U
United Bulgarian Bank
lender
"Bulgarian state-owned gas transmission operator Bulgartransgaz said Friday that it has signed a 200 million levs ($119.5 million/102.3 million euro) long-term loan agreement with United Bulgarian Bank (UBB) to finance the Vertical Gas Corridor project"
high quality
Enriched Feb 19, 2026
Market Context
This deal is part of the Transmission sector in Bulgaria.
1 of 139 Transmission deals tracked this month · Updated daily