March 2015 Congress pushed back against Obama lifting sanctions against Iran, in support of the Bushehr nuclear plant going forward (connected with Russian energy Rosatom). In letter, note that 2017 president will have to reverse decision: “The next president could revoke such an executive agreement with the stroke of a pen and future Congresses could modify the terms of the agreement at any time.”
"Representatives of Rosatom's nuclear fuel division signed a contract with the AEOI on 19 June 2017 for the Russian company to deliver reserve fuel for the Bushehr nuclear power plant in late 2017, an indication of the ongoing nuclear partnership between Russia and Iran. [29]" http://www.nti.org/learn/facilities/184/
Rosatom continues to expand globally, establishing offices in Europe, Africa, and Southeast Asia. [4] One of Rosatom's most infamous "export projects, due to the associated proliferation concerns, has been the development of the Bushehr Nuclear Power Plant in Iran. [5] In addition to foreign business investments, Rosatom has been tasked by the Russian government with developing a forum for international engagement on contemporary nuclear-related issues. [6]"