This Practice Note provides a detailed overview of the Contract for Difference (CfD) renewable and other low carbon electricity generation subsidy regime introduced under the Electricity Market Reform (EMR). It includes details of CfD support that has been awarded to date, the key entities involved in the CfD regime, the statutory mechanisms for granting CfD support, and the key terms of the standard form contract granted to renewable generators who win CfD support through the competitive allocation mechanism.