Combined cycle gas turbine thermal power plant
Nizhnekamsk is a 495MW combined cycle gas turbine thermal power plant under construction in Tatarstan, Russia.
The project is being developed by PJSC Nizhnekamskneftekhim, a member of TAIF Group.
The power plant will have a combined cycle efficiency of more than 51%. The construction of the power plant began in December 2017 and the facility is expected to be commissioned in May 2021.
Nizhnekamsk power plant will be located within the premises of Nizhnekamskneftekhim petrochemical plant in the Republic of Tatarstan, Russia.
The site is located in the south-eastern part of Nizhnekamsk city, on the left bank of Kama River.
The power plant will feature an SST-600 steam turbine, two SGT5-2000Е gas turbines, two heat recovery steam generators and a natural draft cooling tower.
Other components of the plant include a condenser, three generators and three generator step-up transformers.
The Nizhnekamsk CCPP will have an 88m-tall natural draft cooling tower with a base diameter of 76m and air inlet height of 6m. The shell and internal structures of the cooling tower will be made of coated/galvanised steel and the tower will use soft water.
Civil works include the installation of 12 modules for heat recovery steam generators and underground steel pipe installation. Construction of four major buildings and cooling tower involved 21,300m³ of concrete pouring, 3,400t of structural steel erection and 12,000m² of sandwich panel installation.
The Siemens SGT5-2000Е gas turbine is a heavy-duty, fuel-flexible gas turbine capable of burning crude oil and fuels with high viscosity.
The turbine delivers a net plant power output of 275MW for combined cycle power plant with net plant efficiency of 53.3%. It can achieve full load in 12 minutes due to its fast start-up ability. Its core engine has a horizontally split casing with two walk-in combustion chambers.
The hydraulic clearance optimisation (HCO) improves performance due to reduced clearance losses.
The turbine’s 16-stage axial-flow compressor integrates variable pitch inlet guide vanes to improve peak load operation and frequency stabilisation. It is equipped with two external silo-type combustors with hybrid burners for full fuel flexibility.
The turbine measures 10.3m-long and 4m-wide and weighs 189,000kg. Its engine can withstand cold climates, as well as hot and dry conditions.
The Nizhnekamsk power plant will use a synthetic gas by-product from Nizhnekamskneftekhim production processes as its main fuel, while natural gas will be used as standby fuel.
The power plant’s ability to fire synthetic gas will cut operating costs. The use of synthetic gas in gas turbine units in accordance with the Russian and EU requirements for air-polluting gas emissions will improve air quality in the Nizhnekamsk industrial hub.
Deutsche Bank is the sole mandated lead arranger and lender for the project. The bank along with Bayerische Landesbank, Deutsche Zentral-Genossenschaftsbank (DZ Bank), Landesbank Baden-Wuerttemberg and UniCredit Bank will fund the design and construction of the plant through a €240m ($277m) loan with the repayment tenure of 15 years.
The credit facility is guaranteed by Euler Hermes, a trade credit insurance agency based in Germany.
ENKA and Siemens signed a cooperation agreement for the construction of the plant on a turnkey basis. ENKA is responsible for the engineering, procurement, construction and commissioning (EPCC) of the Nizhnekamsk power plant.
Siemens was awarded a €380m ($446m) contract for supplying gas turbines, steam turbines and associated systems for the plant in December 2017. The contract also includes related power distribution systems and a 13-year service agreement.
Hamon was contracted for the natural draft cooling tower for the plant, while John Cockerill is responsible for supplying boilers.
Siemens contracted Flenco to deliver auxiliary systems for the Nizhnekamsk power plant.
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