Pembrokeshire the subject of a comprehensive assessment in 2013. In 2011 the first solar energy farm in Wales was installed at Rhosygilwen, Rhoshill with 10,000 panels in a field of , generating 1 MW. Pembrokeshire's tourism portal is "Visit Pembrokeshire", run by Pembrokeshire County Council. In 2015 4.3 million tourists visited the county, staying for an average of 5.24 days, spending £585 million; the tourism industry supported 11,834 jobs. Many of Pembrokeshire's beaches have won awards, including Poppit Sands and Newport Sands. In 2018, Pembrokeshire received the most coast awards in Wales, with 56 Blue Flag, Green Coast or Seaside Awards.
Pembrokeshire have developed along the Milford Haven Waterway and the county has attracted other major ventures. In 2016, the Rt. Hon. Stephen Crabb, then Welsh Secretary, commented in a government press release: ""...with a buoyant local economy, Pembrokeshire is punching above its weight across the UK."" Until the 12th century, a great extent of Pembrokeshire was virgin woodland. Clearance in the lowland south began under Anglo-Flemish colonisation and under mediaeval tenancies in other areas. Such was the extent of development that by the 16th century there was a shortage of timber in the county. Little is known about mediaeval farming methods,