About ESB
ESB is Ireland’s foremost energy company and the largest supplier of renewable electricity in Ireland. Through innovation, expertise and investment, ESB is leading the way in developing a modern, efficient electricity system, capable of delivering sustainable and competitive energy supplies to our customers. Every day, ESB works for a brighter energy future by investing in low carbon generating technologies, building smarter electricity networks and working with others to find innovative solutions to today’s energy challenges.
Established in 1927, ESB is a strong, diversified and vertically integrated utility. ESB operates right across the electricity market, from generation through transmission, and distribution to supply. ESB also operates in a range of complementary sectors including telecommunications, international engineering consultancy and gas.