District Energy - 2005 Fourth Quarter

Massachusetts Hall

Princeton University

McCormick Hall

National Aquarium

1Harvard University
Cambridge, Mass.
2Princeton University
Princeton, N.J.
3Comfort Link
Baltimore, Md.

System started: Steam, approximately 1914 (supplied from current plant since 1930); chilled water, 1970.

Services provided: Steam for space heating and process needs; chilled water for space conditioning and process cooling.

Buildings on system: Steam, 160; chilled water, 65.

Most unique building on system: Massachusetts Hall, built in 1720 and oldest building on campus. Continental Army soldiers were sheltered there during the Revolutionary War. Today, building’s first two floors house offices of the university president, vice presidents and other officers; freshmen live on upper floors.

Best tourist attraction: Harvard Yard, the oldest section of campus. Site of the John Harvard Statue, known as “The Statue of Three Lies” as none of the statements in its inscription (“John Harvard, Founder, 1638”) is true. University was founded in 1636; Harvard was its first beneficiary. Annually thousands of tourists rub statue’s shoe for good luck.

System started: Steam, 1876; electricity, 1880; chilled water, 1962.

Buildings on system: Steam, 130; electricity, 135; chilled water, 87.

Services provided: Steam, chilled water, primary electric distribution and emergency power.

Most unique building on system: Nassau Hall. Constructed in 1756, building suffered severely in the Revolutionary War. British and American troops quartered there, using furniture and woodwork for fuel. In Battle of Princeton, building changed hands three times. During British possession, damaged by Washington’s artillery; cannonballs destroyed portrait of George II and left scar visible today on south wall of west wing.

Best tourist attraction: Besides Nassau Hall, nine beautiful Collegiate Gothic-style dormitories built during 1920s and ‘30s (including McCormick Hall) to fill urgent need for on-campus student housing after World War I.

System started: 1996

Services provided: Chilled water for space conditioning

Buildings on system: 49

Most unique building on system: National Aquarium, which has a collection of more than 11,000 animals from more than 600 species of fish, bird, amphibians, reptiles and marine mammals that live in award-winning, re-created habitats. Comfort Link provides space conditioning and life support for cold-water fish and mammals.

Best tourist attraction: National Aquarium, one of Maryland’s most-visited destinations. Opened in 1981. Has played a key role in helping to transform Baltimore’s Inner Harbor from blighted port area to thriving attraction.

4NRG Energy Center Dover LLC
Dover, Del.

Photo Dan Gill

Dover International Speedway

Washington Monument

5U.S. General Services Administration, Heating Operation & Transmission
District (HOTD)
Washington, D.C.

System started: 1933

Services provided: HOTD is government-owned district energy system consisting of Central Heating and Refrigeration Plant, West Heating Plant and Steam Distribution Complex. Provide building heating and cooling, domestic hot water, food services, industrial processes, electric power.

Buildings on system: steam, 100; chilled water, 12; provide 10 MW electricity.

System started: 1985. NRG Thermal acquired combined heat and power plant in 2000.

Services provided: Thermal steam for neighboring Kraft Foods processing plant; electricity for the mid-Atlantic region’s PJM market – the largest competitive wholesale electricity market in the world – which meets approximately 10 percent of Dover’s energy needs, and 88 MW peaking electrical energy for the East Coast’s Delmarva Peninsula, between Chesapeake Bay and the Atlantic Ocean.

Buildings on system: Kraft Foods, which has been in Dover more than 40 years (plus buildings receiving electric service)

Most unique building on system: Electric customer – Delaware State House. Built in 1792 and the second-oldest state house in continuous use in the United States.

Best tourist attraction: Nearby Dover International Speedway, a NASCAR racetrack. Each year during NASCAR season Dover’s population expands from 30,000 to more than 200,000 with tourists from across the country.