▁T P 4 0 0 , ▁a ▁military ▁tur b op rop ▁engine ▁ ▁Euro prop ▁International , ▁mak ers ▁of ▁the ▁Euro prop ▁T P 4 0 0 <0x0A> </s> ▁Gü zel his ar ▁Dam ▁is ▁a ▁dam ▁in ▁Iz mir ▁Province , ▁Turkey , ▁built ▁between ▁ 1 9 7 5 ▁and ▁ 1 9 8 1 . ▁The ▁development ▁was ▁back ed ▁by ▁the ▁Turkish ▁State ▁H yd ra ul ic ▁Works . ▁ ▁See ▁also ▁List ▁of ▁d ams ▁and ▁res er voir s ▁in ▁Turkey ▁ ▁References ▁D SI ▁directory , ▁State ▁H yd ra ul ic ▁Works ▁( T ur key ), ▁Retrieved ▁December ▁ 1 6 , ▁ 2 0 0 9 ▁ ▁Category : D ams ▁in ▁ İ z mir ▁Province <0x0A> </s> ▁St ir ling ▁Energy ▁Systems ▁is ▁a ▁Scot ts dale , ▁Arizona - based ▁company ▁which ▁developed ▁equipment ▁for ▁utility - scale ▁renew able ▁energy ▁power ▁plants ▁and ▁distributed ▁elect rical ▁generating ▁systems ▁using ▁par abol ic ▁d ish ▁and ▁stir ling ▁engine ▁technology , ▁tout ed ▁as ▁the ▁highest ▁efficiency ▁solar ▁technology . ▁ ▁In ▁April ▁ 2 0 0 8 , ▁Ireland - based ▁N TR ▁purchased ▁a ▁majority ▁st ake ▁in ▁St ir ling ▁Energy ▁Systems ▁for ▁$ 1 0 0 M . ▁As ▁of ▁ 8 / 3 / 2 0 1 1 ▁N TR ▁reported ▁they ▁were ▁seeking ▁ 3 rd ▁party ▁invest ment ▁in ▁St ir ling ▁Energy ▁Systems .] ▁ ▁On ▁ 2 9