New energy grid-connected capacity calculation method and system

The invention discloses a new energy grid-connected capacity calculation method and system. The method comprises the following steps: determining an optimization target of a new energy grid-connected capacity calculation model in a regional power grid; determining constraint conditions of the new energy grid-connected capacity calculation model in the regional power grid, wherein the constraint conditions comprise electric power and electric quantity balance constraint, reserve capacity constraint condition, thermal power generating unit operation constraint, hydroelectric generating unit operation constraint, pumped storage power station operation constraint, electrochemical energy storage power station operation constraint and regional transmission power constraint; and based on the optimization target and the constraint condition, establishing a new energy grid-connected capacity calculation model, and calculating the new energy grid-connected capacity. According to the technical scheme, the challenge of l