Tariff generation, invoicing and contract management for supply of electricity

摘要

A computer implemented method of invoicing for provision of a product or service comprises: a) monitoring consumption of the product or service; b) invoicing in accordance with the monitored consumption; c) calculating an expected profit value in accordance with the monitored consumption; d) calculating an actual profit value in accordance with the monitored consumption; e) making a surcharge if the expected profit value exceeds the actual profit value and f) making a refund if the actual profit value exceeds the expected profit value. (62) Divided out of 523759