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United States United States · Newark, DE · 39.683, -75.750 (approximate location)

AGN-201 Univ. Delaware

AGN-201 Univ. Delaware, a research reactor (homogeneous) in Newark, DE, United States, with 5 W of thermal power, operated by Univ. of Delaware College of Engineering. Decommissioned, first critical in 1958.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 16 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 15 homogeneous reactors remain in operation today across 6 countries. Its declared uses include teaching.

Country
United States
City
Newark, DE
Type
Homogeneous
Thermal power
5 W
Operator
Univ. of Delaware College of Engineering
Status
Decommissioned
First criticality
1958
Purpose
Teaching

Data: IAEA RRDB · updated on Sep 3, 2026

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