| 摘要 |
PROBLEM TO BE SOLVED: To economically evade generation of a short supply state and an excess supply state in the case of supplying gas from a single connection supplier to a plurality of customers in contract relations by using a gas supply network of a consignment company. SOLUTION: Whether acceptance quantity of the gas to be supplied from the connection supplier to the gas supply network is in the excess supply state in which the acceptance quantity is more than paid quantity to be paid from the gas supply network to a customer 9 by set quantity of in the short supply state in which the acceptance quantity is less than the paid quantity by the set quantity is decided by a decision means 43 of over and shorts state of supply. Allowed increase and decrease of the respective customers 9 are calculated by a quantity increase and decrease calculating means 42. The generation of the excess supply state and the short supply state is evaded by supplying an excess portion to the customer 9 with the allowed increase when the acceptance quantity is in the excess supply state and decreasing a short portion at the customer 9 with the allowed decrease when the acceptance quantity is in the short supply state. |
