 IRVING, Texas, Oct. 14, 2021 PRNewswire -- The Office of Surface Mining Reclamation and Enforcement OSM today announced Luminant, a subsidiary of Vistra NYSE: VST, as a recipient of its 2021 Excellence in Surface Coal Mining Reclamation Award for the work done to reclaim and restore previously mined land at its Monticello-Winfield Mine. The award recognizes companies that achieve the most exemplary coal mine reclamation in the nation. 