Llyn y Fan Fawr Llyn y Fan Fawr Llyn y Fan Fawr (Welsh: 'lake of the big peak') is a natural lake in the county of Powys, Wales. It lies at the foot of Fan Brycheiniog, the highest peak of the Black Mountain (Welsh"Y Mynydd Du") range within the Brecon Beacons National Park. Created as a result of glacial action, it is one of the largest glacial lakes in southern Wales. The lake is roughly rectangular in shape with its long axis oriented roughly north-south. The surface of Llyn y Fan Fawr lies at about 1815 feet or 605m above sea level. Its primary
Pen y Cymoedd Pen y Cymoedd Pen y Cymoedd ("Head of the Valleys") is a wind farm located between Neath and Aberdare in south Wales. It opened in 2017. Natural Resources Wales signed a lease agreement with Vattenfall of Sweden and its British-based subsidiary Vattenfall United Kingdom (formerly Nuon Renewables), to develop what will be the United Kingdom's highest altitude wind farm, on a site owned by Natural Resources Wales, previously the Forestry Commission Wales. The project has seen the installation of 76 turbines with a peak power of 228 MW, that are planned to operate for 25 years, and to generate up