As the situation at the Fukushima nuclear plant becomes darker by the day (see Fukushima Daiichi Nuclear Plant Update) and the risk of a major meltdown increases, people all over the world ask themselves how great is the danger of a major accident in their country. The United States has 104 reactors distributed among 68 locations (see map of US nuclear power plant locations below).
If you live in the United States, you probably ask yourself: how great is the risk of a nuclear accident at my location? Starting from an article published by MSNBC I calculated this risk and weighted its potential impact taking into account three factors:
- the age of the reactor,
- the risk of an earthquake, and
- powerplant utilized capacity.
The result indicates how likely AND serious an accident at that plant might be. According to my calculations, which converge with those published by MSNBC to a certain extent, the weighted risk of a significant incident ranks the US nuclear plants as follows:
It is important to note, however, that while in the MSNBC calculations for the Plymouth and Buchanan plants are similar, the rest of the list is quite different. In Tennessee it is in fact the Soddy Daisy plant that is the most liable and could have the greatest impact, while in Pennsylvania would be Shippingpot and Limmerick. A full list with all the plants and their factor risks, plus other information (date of commission, license details, etc) can be found in the Google fusion table listed below.
Map of nuclear reactors in the United States and potential risk.
Click on the markers and use the link in the bubble to see details about each location/nuclear plant.
Impact potential of US nuclear power plants
Information displayed by weighted risk.
About the data:
Weighed Risk of Earthquake induced nuclear accident in the United States. Calculated by Sorin Adam Matei http://www.google.com/fusiontables/DataSource?snapid=163896 . Data obtained from http://www.msnbc.msn.com/id/42103936/ns/world_news-asiapacific/ and NRC Information Digest (NUREG-1350, Volume 22), Appendix A: U.S. Commercial Nuclear Power Reactors
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