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Business history

Date of start of supply		Major milestones
	1983	Yokohama City adopts the policy of installing district heating and cooling — August Meeting to establish Minato Mirai 21 District Heating and Cooling Co., Ltd. — August (Yokohama City, Mitsubishi Estate, TEPCO, Tokyo Gas)
	1986	Inaugural general meeting of Minato Mirai 21 District Heating and Cooling Co., Ltd. — October Registration of incorporation completed — October
	1987	Licensed as a heat supply business — December Construction work started on Central Plant — December
Yokohama Exotic Showcase ’89 — April – October Yokohama Maritime Museum (currently Yokohama Port Museum) — April	1989	Completion of Central Plant — February Approval of General Supply Provisions — March Start of supply — April
Clean Center — April Pacifico Yokohama — July	1991
Yokohama Landmark Tower — July 　 The Bank of Yokohama Headquarters Building — August	1993
Mitsubishi Heavy Industries Yokohama Building — April	1994	Completion of work to extend the Central Plant and completion of the latent heat storage system — March Start of construction work on No.2 Plant — September
Keiyu Hospital — September	1995
	1996	10th anniversary of the company — October
Nisseki Yokohama Building — June Queen’s Tower A — July Queen’s Square YOKOHAMA — July 　 Cross Patio — July	1997	Completion of construction work on No.2 Plant — June
	1998	Approval to change service area — January
Yokohama Media Tower — April	1999
Kanagawa Prefectural Police Minato Mirai branch office — April Cross Gate — September	2000
Yokohama Museum of Art — August	2001	Approval of changes to General Supply Provisions (Revision of rates) — April Installation of large absorption chiller (5,000 refrigeration-ton) at No.2 Plant — May
M.M. TOWERS — February	2003	Change in administrative instructions in General Supply Provisions — April
Fujisoft building — February Kenmin-Kyosai Plaza Building — March Leaf minatomirai — March Minato Mirai Station — April Minato Mirai Business Square — September TEPCO MM21 Substation (provisional name) — November	2004	Approval of change to General Supply Provisions (Revision of rates) — April Approval of supply conditions outside General Supply Provisions (annual high load contract) — April
	2006	20th anniversary of the company — October
M.M. TOWERS FORESIS — March Minato Mirai Mid Square — June Brillia Grande Minato Mirai — November MM Park Building — December 　 Pacific Royal Court Minato Mirai — December	2007	Approval of changes to General Supply Provisions (Revision of rates) — April
Shincron Headquarters Building — October	2008	Installation of an electric turbo chiller (4,000 refrigeration-ton) in the No.2 Plant — June
Nissan Motor Global Headquarters — May Yokohama Blue Avenue — December	2009	Installation of an electric turbo chiller (5,000 refrigeration-ton) in the No.2 Plant — June
TOC Minatomirai — March Fuji Xerox Yokohama Minatomirai Center — March Minatomirai Center Building — June	2010	Approval of changes to General Supply Provisions (Revision of rates) — April Installation of two absorption chillers (3,000 refrigeration-ton each) at No.2 Plant — June Installation of flue and smoke tube boiler (36t/h) at No.2 Plant — December
MinatoMirai Grand Central Tower (scheduled) Yokohama Mitsui Building (scheduled)	2011	Installation of absorption chiller (3,000 refrigeration-ton) at No.2 Plant — July
Minato Mirai 21 Block-34 Development Plan (provisional name) (scheduled) Yokohama Nomura Building (scheduled)	2012 or later

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