▁ 3 0 0 ▁M W ▁of ▁cells . ▁ ▁History ▁T ata ▁Power ▁and ▁B P ▁Sol ar ▁established ▁T ata ▁B P ▁Sol ar , ▁a ▁joint ▁vent ure ▁company , ▁in ▁ 1 9 8 9 . ▁The ▁company ▁began ▁commercial ▁operations ▁in ▁ 1 9 9 1 ▁by ▁establish ing ▁its ▁first ▁manufact uring ▁unit ▁with ▁a ▁production ▁capacity ▁of ▁ 3 ▁M W . ▁ ▁B P ▁Sol ar ▁was ▁closed ▁on ▁ 2 1 ▁December ▁ 2 0 1 1 , ▁when ▁B P ▁announced ▁its ▁departure ▁from ▁the ▁solar ▁energy ▁business . ▁On ▁ 3 0 ▁August ▁ 2 0 1 2 , ▁T ata ▁B P ▁Sol ar ▁India ▁Limited ▁was ▁renamed ▁as ▁T ata ▁Power ▁Sol ar ▁Systems ▁Limited ▁and ▁became ▁a ▁wh olly ▁owned ▁subs idi ary ▁of ▁the ▁T ata ▁Group . ▁ ▁In ▁August ▁ 2 0 1 6 , ▁T ata ▁Power ▁Sol ar ▁commission ed ▁a ▁ 1 0 0 ▁M W ▁solar ▁project ▁at ▁the ▁N P ▁K unta ▁Ult ra ▁M ega ▁Sol ar ▁Power ▁Project ▁in ▁An ant ap ur , ▁And h ra ▁Pr adesh . ▁This ▁was ▁the ▁largest ▁solar ▁project ▁commission ed ▁using ▁dom est ically ▁manufact ured ▁solar ▁cells ▁and ▁modules ▁at ▁the ▁time . ▁ ▁Ro o ft op ▁ ▁T ata ▁Power ▁Sol ar ▁is ▁one ▁of ▁the ▁largest ▁solar ▁ro o ft op ▁E PC ▁player ▁in ▁India ▁with ▁a ▁market ▁share ▁of ▁ 5 . 6 %. ▁The