1 9 9 9 ▁also ▁Ener gie ▁No ord - West , ▁Gam og ▁and ▁Ener gie - ▁en ▁Water voor zien ing ▁R ijn land ▁were ▁merged ▁with ▁Nu on ▁and ▁the ▁name ▁was ▁changed ▁N . V . ▁Nu on . ▁ ▁Install ation ▁company ▁Fe en stra ▁was ▁taken ▁over ▁on ▁ 1 ▁December ▁ 2 0 0 0 . ▁Fe en stra ' s ▁new ▁construction ▁unit ▁was ▁sold ▁to ▁Gro en ▁Hold ing ▁in ▁ 2 0 1 2 ▁and ▁the ▁ins ulation ▁unit ▁to ▁De ▁Tak ken k amp ▁Gro ep ▁in ▁ 2 0 1 6 ▁ ▁In ▁ 2 0 0 0 , ▁Nu on ▁incorpor ated ▁Nu on ▁Ren ew ables ▁in ▁the ▁United ▁Kingdom . ▁In ▁ 2 0 1 2 , ▁Nu on ▁Ren ew ables ▁was ▁merged ▁with ▁V atten fall ' s ▁renew able ▁energy ▁operations ▁in ▁the ▁United ▁Kingdom ▁and ▁it ▁became ▁V atten fall ▁United ▁Kingdom . ▁Since ▁ 2 0 0 1 , ▁Nu on ▁has ▁spons ored ▁the ▁student ▁team ▁at ▁the ▁World ▁Sol ar ▁Challenge .   ▁In ▁ 2 0 0 2 , ▁Nu on ▁expanded ▁into ▁Germany ▁and ▁Belg ium . ▁ ▁In ▁ 2 0 0 3 , ▁Nu on ▁acquired ▁R eli ant ▁Energy ▁Europe , ▁formerly ▁Ener gie produ kt ie bed rij f ▁U NA , ▁a ▁subs idi ary ▁of ▁the ▁American ▁utility ▁R eli ant ▁Energy ▁operating ▁in ▁Amsterdam ▁and ▁U tre cht . ▁ ▁On ▁