The RES Group (Renewable Energy Systems) is a global renewable energy company which has been active in the renewable energy industry for over 30 years. Its core business is to develop, construct and operate large-scale, grid-connected renewable energy projects worldwide for commercial, industrial and utility clients’. RES is active in the wind (onshore and offshore wind) and solar energy sectors and is increasingly focussed on the transition to a low-carbon economy providing transmission, energy storage and demand side management expertise. - Source: Wikipedia