(ADPnews) – May 21, 2010 - UK utility Scottish & Southern Energy plc (LON:SSE), or SSE, has clinched a GBP 13.5 million (USD 19.5m/EUR 15m) deal to build a 2.5 MW anaerobic digestion (AD) facility on a former landfill site at Barkip, North Ayrshire.