Complex sentence: In 1992, one of the station's units were decommissioned The rest of the station closed in 1993, leaving a stockpile of nearly half a million tonnes of coal, which was transported downstream to the nearby Tilbury Power Station by Rhine barge.
Split into simpler sentences: In 1992, one of the station's units were decommissioned. The closure left a stockpile of nearly half a million tonnes of coal, which was transported downstream to the nearby Tilbury Power Station by Rhine barge.