Russia Uranium Supplier Warns US Clients to Brace for Ban (2)

Tenex, a Russian state-owned uranium company, is warning American customers that the Kremlin may preemptively bar exports of its nuclear fuel to the US if lawmakers in Washington pass legislation prohibiting imports starting in 2028, according to people familiar with the matter.

Tenex’s US subsidiary has told electric companies including Constellation Energy Corp., Duke Energy Corp. and Dominion Energy Inc. to prepare for such an outcome, one of the people said, adding that the Kremlin has not made a final decision.

Constellation, Duke and Dominion didn’t immediately respond to a request for comment. Russia’s state nuclear corporation Rosatom ...