List of canceled nuclear reactors in the United States
The late 1960s and early 1970s saw a rapid growth in the development of nuclear power in the United States. By 1976, however, many nuclear plant proposals were no longer viable due to a slower rate of growth in electricity demand, significant cost and time overruns, and more complex regulatory requirements.
Source: Wikipedia — List of canceled nuclear reactors in the United States (CC BY-SA 4.0)