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An analysis of European hot water technology installation costs

By District Energy posted 08-15-2018 00:00


This article was featured in the Q3 2018 edition of District Energy Magazine.

Dartmouth College looks at EN253 thin-wall piping costs – and opportunities to reduce them – in the U.S. market.


Dartmouth College is the smallest of the Ivy League colleges, located in Hanover, N.H. The institution is served by a central heating plant, built in 1898, that is one of the oldest continuously operating campus cogeneration energy plants in the country. Today this plant supplies both low-pressure steam (primarily for use in space heating) as well as electricity to over 5 million sq ft of campus buildings. The steam distribution system serving the campus is aging, with 30 percent of the network over 50 years old. Due to the losses throughout the steam production and distribution system, it is estimated that only around 60 percent of the energy in the No. 6 oil that fuels the plant is delivered to campus buildings as heat. According to an engineering consultant’s assessment, Dartmouth would need to spend around $61 million over the next 30 years to maintain and renew its existing steam distribution infrastructure.


Abbe Bjorklund, PE, Director of Engineering and Utilities, Dartmouth College
Kyle Stramara, MBA, Tuck School of Business, Dartmouth College

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