1948	Study and development of Industrial gas turbine started
1953	500 horsepower class gas turbine developed
1954	IGT60, 60 horsepower class gas turbine, developed and delivered as fire pump equipment
1964	IGT300, 300 horsepower class gas turbine, developed
1965	IM100, 1050 horsepower class gas turbine, developed and started running tests using our own experiment boat (*1)
1967	IGT350, 350 horsepower class gas turbine developed and delivered as emergency power generation equipment
1968	8200 horsepower class gas turbine developed
1968	IM300, 3000 horsepower class gas turbine, developed
1968	IM100, 1050 horsepower class gas turbine started and delivered for hovercrafts, power generation, trains
1968	IM1500, 15000 horsepower class gas turbine, developed and delivered for power generation
1969	IM300, 3000 horsepower class gas turbine, began delivering for ships
1972	1000kVA mobile generator set using IM100, 1050 horsepower class gas turbine, delivery begins
1975	IGT90, 90 horsepower class gas turbine, developed
1977	10000kVA mobile generator set using IM1500, 15000 horsepower class gas turbine, delivery begins (*2)
1977	2000kV power generation equipment using IM310, 3000 horsepower class gas turbine, delivery begins
1978	IM5000, 50000 horsepower class gas turbine, developed and delivery begins for power generation (*3)
1979	2500kV power generation equipment using IM400, 3000 horsepower class gas turbine, delivery begins
1980	IM2000 , 18000 horsepower class gas turbine, developed
1980	S7, 14400 horsepower class gas turbine, developed and delivery begins
1982	S3, 7900 horsepower class gas turbine, developed and delivery begins
1982	Power generation equipment using LM2500, 25000 horsepower class gas turbine, delivery begins (*4)
1990	XGT1, 1500 horsepower class gas turbine delivery begins for veichles
1990	IM150, 1500 horsepower class gas turbine, developed and delivery begins (*5)
1993	IM610, 6100 horsepower class gas turbine, developed and delivery begins
1993	Power generation equipment using LM6000PA, 60000 horsepower class gas turbine, delivery begins (*6)
1994	Power generation equipment using LM1600, 16000 horsepower class gas turbine delivery begins (*7)
1995	IM270, 2700 horsepower class gas turbine developed and delivery begins (*8)
1997	Thermoelectric variable type IM400 IHI-FLECS delivery begins (*9)
1997	I-monitor, remote monitoring system developed and services start for Japanese users
1997	Power generation equipment using output improvement type of LM 6000PC delivery begins
1998	Power generation equipment using NOx reduction type of LM 6000PD delivery begins
1999	Energy providing business started using IM400-FLECS type as PFI model buisiness
2000	IM150, 1500 horsepower class gas turbine developed and power generation equipment delivery begins
2000	Gas turbine service center established in Singapole
2001	I-monitor, remote monitoring system services started for customers out side of Japan
2003	Wholesale power company established to enter power retailing market
2004	LM2500＋, 40000 horsepower class gas turbine, delivery begins for techno super liner
2004	Thermoelectric variable type IM270 IHI-FLECS delivery begins
2009	Power generation equipment using LM2500+G4, 47000 horsepower class gas turbine, delivery begins
2010	Power generation equipment using LM2500PJ, 30000 horsepower class gas turbine, delivery begins
2011	Perth Service Centre established (Regional Service Center for Australia） (*10)
2012	IHI Power Systems Thailand　established (Regional Service Center for Thai and Southeast Asia）
2012	Power generation equipment using LM6000PF using output improvement /Nox reduction type delivery begins
2013	Cheyenne Service Center established (Regional Service Center for Americas）
2013	The number of LM6000 gas turbine maintenance at depot reached 100
2013	Customer operations support center having constant remote monitoring, computer analytics, TV phone opened in headquaters (*11)

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