1) authorised maximum demand 2) authorized maximum demand the maximum demand, requested in advance by the consumer and authorised by the supply undertaking under the terms of an agreement, for which supply capacity is made available GRM: n. (1,2) REG: British English (1), American English (2) Note: automatic switches may prevent the consumer from exceeding the limit of his authorised maximum demand References: GENdemand SEEsupply undertaking SEEsupplier