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Gebze, Adapazari and Izmir CCGT plants, Turkey

Our work for three Turkish combined cycle gas turbine (CCGT) power plants over more than 15 years reflects our consistently high levels of service. Power plant investors seeking assurance that their projects are being delivered effectively often call on us to provide lender’s engineer services across the lifecycle. This has been the case with our client ENKA (formerly the Intergen-ENKA consortium).

aerial  view of one of the power stations
Combined cycle gas turbine power stations, Turkey
Combined cycle gas turbine power stations, Turkey We were lenders’ technical advisor for the Gebze (1554MW), Adapazari (777MW) and Izmir (1523MW) CCGT power plants, assisting throughout the plants’ entire project lifecycles from due diligence to construction and operations monitoring over a 15 year period.

Our key clients repeatedly call on our experience, knowing that collaboration with Mott MacDonald can enhance the profitability of their investment.

Key facts

  • The InterGen-ENKA consortium (now ENKA) was awarded the right to build and operate the plants in Turkey.

  • We provided consultancy services during the construction and monitoring of the Gebze (1554MW), Adapazari (777MW) and Izmir (1523MW) CCGT power plants.

  • We assisted throughout the plants’ entire project lifecycles from due diligence to construction and operational monitoring over a 15 year period.

  • Our services on behalf of senior lenders included evaluation, pre-construction due diligence, construction and long-term operations monitoring.

  • After the start of development, we were appointed to monitor the project through the construction and commissioning stages to commercial operation.

  • Following this, we have provided long-term operations monitoring services that focus on plant operational status and monitoring, environmental status monitoring and operations and budget forecasts.

  • Each power island of the natural gas fired combined cycle power plants consists of two combustion turbines/generators, two heat recovery steam generators and one steam turbine/generator. In the Gebze and Adapazarı power plants, natural draft dry cooling towers serve each power island, whereas in the İzmir plant, low profile forced draft wet cooling towers were built, using seawater as a cooling medium.

  • 12,000 workers have been employed across the three plants over the years.

Challenges and solutions

Throughout the life of a power project, the release of a lender’s loan payments are often linked to performance, which is evaluated after completion of project milestones.

Through our strong experience acting as lender’s engineer on power projects worldwide, we know it's imperative to act swiftly and efficiently to minimise any project delays.

Value and benefits

We maintained our ongoing status as the lender’s engineer throughout this project due to delivery of a consistently high service level and a rapid response. We were initially selected as lender’s engineer due to:

  • Our vast experience working on global gas fired thermal power stations with an aggregate output exceeding 100,000MW.

  • Our reputation for delivering lender’s technical advisory consultancy services on the world’s leading power projects for over 30 years.

  • Our portfolio of successful power projects across Turkey.

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