Whether his department is part of an intergovernmental team that will approve a purchasing power agreement (PPA) for the Renewable Energy Feed-in Tariff (Refit); if not, what is the position in this regard; if so, (a) why has there been a delay in the adoption of the Refit PPA and (b) to what target date has the Government committed for (i) adopting and (ii) implementing the Refit PPA?