▁surv iving ▁wh oles ale ▁business ▁was ▁renamed ▁R RI ▁Energy , ▁Inc . ▁ ▁On ▁June ▁ 1 5 , ▁ 2 0 1 7 , ▁unable ▁to ▁meet ▁deb t ▁oblig ations , ▁Gen On ▁Energy ▁and ▁Gen On ▁Amer icas ▁Generation ▁file ▁for ▁Chapter ▁ 1 1 ▁bank rupt cy . ▁ ▁Mer ger ▁to ▁create ▁Gen On ▁Energy ▁ ▁On ▁April ▁ 1 1 , ▁ 2 0 1 0 , ▁R RI ▁Energy ▁and ▁Atlanta - based ▁Mir ant ▁Cor p . ▁announced ▁an ▁agreement ▁to ▁merge ▁in ▁a ▁$ 1 . 6 ▁billion ▁all - stock ▁deal , ▁which ▁created ▁one ▁of ▁the ▁largest ▁independent ▁power ▁plant ▁operators ▁in ▁the ▁country . ▁The ▁new ▁company , ▁named ▁Gen On ▁Energy , ▁would ▁be ▁based ▁in ▁Houston ▁but ▁led ▁by ▁Mir ant ' s ▁Chair man ▁and ▁CE O ▁Edward ▁M ull er ▁until ▁ 2 0 1 3 . ▁At ▁that ▁time , ▁M ull er ▁would ▁ret ire ▁and ▁Mark ▁Jacob s , ▁the ▁president ▁and ▁CO O ▁of ▁R RI ▁Energy , ▁would ▁become ▁CE O ▁of ▁Gen On . ▁The ▁new ▁company ▁had ▁a ▁market ▁capital ization ▁of ▁about ▁$ 3 ▁billion , ▁ow ning ▁or ▁operating ▁ 4 7 ▁plants ▁in ▁ 1 2 ▁states ▁capable ▁of ▁generating ▁more ▁than ▁ 2 4 , 6 5 0 ▁meg aw att s ▁of ▁power . ▁The ▁mer ger ▁was ▁completed ▁on ▁December ▁ 3 , ▁ 2 0 1 0 . ▁ ▁California ▁energy