MottMacDonald 2010 Conventional Gas Electricity Generation New CCGT FOAK

Category	Conventional Gas Electricity Generation
Source	MottMacDonald 2010
Capital cost	£(2009)719-864.3/kWpeak	740–889£(2010)/KW
Operating cost	£m(2009)21.8-50.6/830MWpeak	27–63£(2010)/KW
Year for which cost is valid	FOAK	2010
Typical size	830MW
Typical average output	87%
Typical efficiency	56%
Typical life	20-30 years

Notes

Items that this cost includes

Items that this cost excludes

Detail on the conditions under which this cost is valid

Explanations as to why this cost differs from others

Limitations of this cost estimate

• Need to check the average output calculation is correct
• 55% efficiency is gross

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