Electric power business profit and loss calculation system and electric power business profit and loss calculation method

An electric power business profit and loss calculation system comprising:

• a storage unit;
• and
• a total income calculation unit connected to the storage unit, wherein
• the storage unit is configured to store consumer attribute data which is an attribute of electricity usage of each of a plurality of consumers,
• the storage unit is configured to store a load data stream indicating fluctuation in an amount of electricity usage measured for each of the plurality of consumers,
• the storage unit is configured to store a plurality of consumer classes, each consumer class including standard attribute data which is an attribute of the consumer class and a standard load data stream indicating a load curve that represents the consumer class,
• the storage unit is configured to store a plurality of rate menu classes, each rate menu class including a unit price rate of electricity usage and contractor data indicating a contractor of the rate menu class among the plurality of consumers, and
• the total income calculation unit is configured to calculate a total income from business of electric power supply to the plurality of consumers, based on the plurality of consumer classes and the plurality of rate menu classes.