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The All Island Grid Study is the first comprehensive assessment of the ability of the electrical
power system and, as part of that, the transmission network (�the grid�) on the island of
Ireland to absorb large amounts of electricity produced from renewable energy sources. The
objective of this five part study is to assess the technical feasibility and the relative costs and
benefits associated with various scenarios for increased shares of electricity sourced from
renewable energy in the all island power system.