Update 5.57 Update 5.56 Update 5.55 Update 5.54 Update 5.53 Update 5.52 Update 5.51 Update 5.50 Update 5.49 Update 5.48 Update 5.47 Update 5.46 Update 5.45 Update 5.44 Update 5.43 Update 5.42 Update 5.41 Printer friendly version Related Files File 25 September 2020 Modification History File 25 September 2020 GTD - CDSP and UK Link File 25 September 2020 TPD Section B - System Use & Capacity File 25 September 2020 TPD Section M - Supply Point Metering File 25 September 2020 TPD Section V - General Download All Files