The rate at which a BM Unit can run down Export or Import MW. Also a set of data supplied by the System Operator for publication on the BMRS, comprising for each BM Unit: Up to three Run-Up Rate(s) expressed in MW/minute and associated Run-Up Elbow(s) expressed in MW for output (Export) and the same for input (Import). It should be noted that Run-Up Rate(s) are applicable to a MW figure becoming more positive.