WARSAW, Oct 11 (Reuters) - Poland's utility Enea said on Tuesday coal purchases from suppliers other than its majority-owned miner LWB Bogdanka will cut third quarter Ebitda by an estimated 864.6 million zloty ($174.72 million).

Last month, Bogdanka cut its coal production target by almost 1 million tonnes. ($1 = 4.9484 zlotys) (Reporting by Marek Strzelecki Editing by Chris Reese)