CONTACT Bueno Energy General Questions Please fill out our online email from below, or call us at 817-543-5146. Please send correspondence to: Bueno Energy PO Box 1008, Arlington, TX 76004, 817-543-5146 To download a PDF of Bueno Energy’s 2009 EFL Terms of Service & Facts, please choose & click: ENGLISH SPANISH CALL NOW TO START SAVING ON YOUR ELECTRIC BILL!