▁as ▁R RI ▁Energy , ▁acquired ▁Mir ant ▁on ▁December ▁ 3 , ▁ 2 0 1 0 . ▁The ▁corpor ate ▁names ▁and ▁log os ▁of ▁both ▁R RI ▁Energy ▁and ▁Mir ant ▁were ▁retired . ▁ ▁NR G ▁Energy ▁completed ▁its ▁ac quisition ▁of ▁Gen On ▁Energy ▁in ▁December ▁ 2 0 1 2 ▁for ▁$ 1 . 7 ▁billion . ▁ ▁Gen On ' s ▁stock ▁ceased ▁trad ing ▁and ▁was ▁ex changed ▁for ▁NR G ▁stock . ▁ ▁History ▁ ▁The ▁company ▁was ▁originally ▁known ▁as ▁Houston ▁Indust ries ▁( ), ▁and ▁Houston ▁Light ing ▁& ▁Power ▁was ▁its ▁subs idi ary . ▁In ▁August ▁ 1 9 9 6 ▁H I ▁closed ▁on ▁a ▁mer ger ▁with ▁Nor Am ▁Energy ▁Cor p , ▁a ▁natural ▁gas ▁utility . ▁The ▁combined ▁company , ▁as ▁of ▁ 1 9 9 7 , ▁had ▁assets ▁of ▁$ 1 8 ▁billion ▁and ▁annual ▁reven ues ▁of ▁about ▁$ 9 ▁billion . ▁By ▁November ▁ 1 9 9 7 ▁there ▁was ▁a ▁published ▁report ▁stating ▁that ▁the ▁company ▁wished ▁to ▁ac quire ▁Central ▁& ▁South ▁West ▁Cor p . ▁H I ▁decl ined ▁to ▁comment . ▁ ▁In ▁ 1 9 9 9 , ▁Houston ▁Indust ries ▁changed ▁its ▁name ▁to ▁R eli ant ▁Energy ▁and ▁its ▁new ▁NY SE ▁symbol ▁was ▁RE I . ▁It ▁was ▁scheduled ▁to ▁begin ▁trad ing ▁under ▁RE I ▁on ▁February ▁ 8 , ▁ 1 9 9 9 . ▁ ▁In ▁ 2 0 0 2