WAKONDA, S.D. -- Hyperion Refining will again on Thursday ask the Clay Rural Water System board of directors to agree to supply the company daily with 9 million to 12 million gallons of water for use ...

Both companies are collaborating to add an additional 4 MW of installed capacity, increasing the total project size to 38 MW. Construction is scheduled to commence in Q3 2025, with commercial ...

The pair have signed a memorandum of understanding, to evaluate the potential supply of the "very valuable rare earth-bearing material" from Hyperion's Titan project in Tennessee to Energy Fuels' ...

HOUSTON, May 30, (Reuters) - Hyperion Energy LLC has slowed its plan to build a 400,000 barrel per day (bpd) refinery and neighboring electrical power plant in southeastern South Dakota due in part to ...

State officials say it’s news to them that Nebraska may have been in the running for the giant oil refinery a Texas company wants to build in South Dakota. The Topeka (Kan.) Capital-Journal reported ...

They weren't talking much about green energy today when the state Board of Minerals and Environment granted Hyperion more time to get its refinery act together down by Elk Point. Black energy. Tarry, ...