The proposed plant will comprise of combined cycle gas turbine technology capable of generating up to 950MW of electricity in a highly clean and efficient manner.

The diagram above shows the combined cycle process. At Blythe Park Power Station, two gas turbines and associated electric generators with heat recovery steam generators and one or two steam turbine(s) will operate in combined cycle.

Natural gas is burnt in the combustion chamber of the gas turbines from where hot combustion gases expand through the gas turbine, which in turn drive generators to produce electricity. The hot exhaust gases contain recoverable energy and are, therefore, used in waste heat recovery boilers to generate steam. The high-pressure steam produced is used to drive the steam turbine to generate additional electricity.

The spent steam leaving the turbines is condensed and the resultant “condensate” returned to the waste heat recovery boilers for reuse.

Steam or hot water can be taken from various stages of the CCGT plant and used to provide heat to neighbouring industries and for district heating. Currently only the Johnson Matthey colour works at Blythe Park has been identified as a potential user of this heat. It is proposed to make the heat available to the houses in Cresswell Village at no cost to the residents. This may be limited to properties to the west of the railway line as there may be major issues in crossing the track.

Water will be taken from and returned to the Severn Trent Strongford Sewage Works at a quality level and temperature limit that meet environmental legislation requirements.

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