Energy Choice Matters: Luminant To Retire Monticello Power Plant Oct 6, 2017 | News Roundup http://bit.ly/2y4nfBz Oct. 6 — Luminant, a subsidiary of Vistra Energy, today announced plans to retire all three units at its Monticello Power Plant in Titus County, Texas. — Energy Choice Matters Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website