These inspections and repair intervals can be very expensive depending on the type of industry the gas turbine is powering.

对于某些行业，这些定期检查和维修间隔的代价是非常昂贵的。

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While the ESMAP paper cited above suggests annual cost declines of 7% for gas turbine technologies, case studies from industry suggest a rate of cost decline at least double the ESMAP figure.

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The Hywind, a 2.3 megawatt (MW) wind turbine built by Siemens, combines technologies from both the wind farming industry and the oil and gas sectors, and will be tested off the coast of Norway for two years.

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