The station is capable of generating over 2000MW, enough to power around 3.5 million homes - more than twice the number of households in Wales. The state-of-the-art CCGT technology means that Pembroke is one of the largest and most efficient plants of its kind in Europe and produces less than half the CO 2 emissions than a coal-fired power station. The station is located to the west of the town of Pembroke, South West Wales. ROCKWOOL TECHNICAL INSULATION supplies ProRox Wired Mats and Pipe Sections for the insulation of boilers and pipework.