All 14 EU Member States which operate nuclear power plants (Belgium, Bulgaria, Czech Republic, Finland, France, Germany, Hungary, the Netherlands, Romania, Slovak Republic, Slovenia, Spain, Sweden and United Kingdom) and Lithuania, which is currently decommissioning its last nuclear power producing unit, are taking part in the stress tests.
Vastupidavustestides osalevad kõik 14 liikmesriiki, kes käitavad tuumaelektrijaamu (Belgia, Bulgaaria, Tšehhi Vabariik, Soome, Prantsusmaa, Saksamaa, Ungari, Madalmaad, Rumeenia, Slovaki Vabariik, Sloveenia, Hispaania, Rootsi ja Ühendkuningriik), ning Leedu, kes praegu dekomisjoneerib viimast tuumareaktorit.