Complex sentence: Established by the "Electricity (Supply) Act, 1927" to follow on from the "Shannon Electricity Act, 1925" which set up the "Shannon Scheme" at Ardnacrusha, the ESB has had a major effect on socio-economic life in Ireland.
Split into simpler sentences: Established by the "Electricity (Supply) Act, 1927" to follow on from the "Shannon Electricity Act, 1925" which set up the "Shannon Scheme" at Ardnacrusha. The ESB has had a major effect on socio-economic life in Ireland.