History of District Heating in the United States

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United States Military Academy, West Point, New York

USMA Steam Heating Plant ca. 1870 (Courtesy USMA archives)

A steam heating plant was built at the United States Military Academy at West Point in 1867 (gas works had been built in November 1857)

References
1922 A Guide to West Point and the United States Military Academy
Page 7: Heating and Power Plant
The new stone building near the top of the dock hill contains the steam-heating plant that supplies radiation to all of the public buildings, and electrical machinery generating light for street and buildings and power for driving all the machinery on the Post. The steam plant has four 440-h.p. water-tube boilers; the power room has two tandem compound Corliss engines and one simple engine, three 125-kilowatt direct current generators, three converters, and five transformers. The coal bunker located over the boiler room have n capacity of S,000 gross tons. Connected therewith are electric belt-conveyors and elevators that unload four railway cars at once, delivering sixty tons per hour. A masonry tunnel, 6x8 feet, containing the steam pipes, and an electrical conduit system lead from this plant to all the public buildings.