Turkey is discussing a long-term LNG supply deal with U.S. supermajor ExxonMobil as it looks to reduce reliance on Russia or any single supply source, Turkish Energy Minister Alparslan Bayraktar told the Financial Times in an interview published on Sunday. A potential deal with Exxon could be for the acquisition of 2.5 million tons of LNG per year for a decade, the minister said, while FT calculations have found that based on a pricing assessment by Argus, the annual delivery of these volumes could cost about $1.1 billion. Turkey is looking…