IEEE Electrification - December 2020 - 21

structure to transcend into art. Its refinement and innovation place Crown Hall among the most distinguished
buildings of its age and define its importance in the history of architecture. Crown Hall was granted National Historic Landmark status in 2001 by the National Park
Service, U.S. Department of the Interior. Crown Hall was
last restored in 2005 by the architects Mark Sexton and
Gunny Harboe, who led the multimillion dollar restoration
project of this landmark building.
Just as the Crown Hall restoration marvelously preserved the architectural beauty of this National Historic
Landmark, the introduction of renewable energy and
energy storage technologies to this building have elevated
its stature as an energy efficient landmark in the city of
Chicago. With the generous support from the U.S. Department of Energy (DOE), the Illinois Clean Energy Community Fund (ICECF), Commonwealth Edison (ComEd), the
Center for Smart Grid Applications, Research, and Technology at IIT, and Willdan Energy, the university acquired
and installed in 2019 a photovoltaic (PV) system and a battery energy storage system (BESS) in Crown Hall. The PV
system and BESS, which converted Crown Hall to a
nanogrid (henceforth termed the Crown Hall nanogrid), are
also used to analyze and demonstrate the benefits of

supplying clean energy that can enhance the economics,
reliability, resilience, sustainability, and security of a
national landmark. The PV and BESS components at
Crown Hall, together with their associated control relays,
software, and modifications to the building's electrical distribution system, make the building a stand-alone
nanogrid. Crown Hall is part of the campus microgrid at
IIT (henceforth termed the IIT microgrid). The IIT microgrid
encompasses 35 buildings, which are divided into seven
high-reliability electrical loops, as depicted in Figure 2.
Crown Hall (circled in red) is located in Loop 5.

Figure 1. The Illinois Institute of Technology's (IIT) S.R. Crown Hall
(a National Historic Landmark).

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Switch

Feeder Loop

Planned Building Development

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VanderCook

14 Alumni Hall

23 Main Building

2

CTA Building 1

15 Perlstein Hall

24 Galvin Library

3

Stuart Building

16 Wishnick Hall

25 S.R. Crown Hall

4

Life Sciences

17 Siegel Hall

26 Tech North (3410)

5

Engineering 1

18 Hermann Hall

27 Tech Central (3424)

6

CTA Building 2

7

Machinery Hall

19 McCormick Student Village

8

Keating

21 Greek Housing

9

Bailey

22 State Street Village

28 Incubator (ERB)
20 Farr Hall

29 Metals and Materials
30 Heating Plant
31 Technology B

10 Cunningham

32 Life Sciences

11 Gunsaulus

33 Tech South

12 Carman

34 IIT Tower (IIT)

13 McCormick Tribune Campus Center
Figure 2. The location of the Crown Hall nanogrid at the IIT microgrid.

	

IEEE Elec trific ation Magazine / D EC EM BE R 2 0 2 0

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IEEE Electrification - December 2020

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