Coal exports from the Hampton Roads port facilities in Virginia increased 18.5% year over year to 3.8 million tons in May but declined 12% from April's total, according to data obtained June 4 from the Virginia Maritime Association.

At Norfolk Southern Corp.'s Lamberts Point facility, which primarily handles metallurgical coal, coal exports reached more than 1.6 million tons in May, up 39.6% from the nearly 1.2 million tons of coal delivered in the year-ago period.

Kinder Morgan Inc.'s Pier IX facility, which mostly handles thermal coal, fell 17.7% year over year to 804,228 tons of coal, compared to 977,214 tons in May 2017.

Dominion Terminal Associates LLP, owned by coal producers Contura Energy Inc. and Arch Coal Inc., saw its coal exports rise 29.1% year over year to roughly 1.3 million tons of coal, compared to 1.0 million tons in the same period in 2017.