New energy consumption calculation method based on two-stage multi-objective optimization

The invention discloses a new energy consumption calculation method based on two-stage multi-objective optimization. The method comprises the following steps: establishing a multi-objective new energyconsumption evaluation model; simplifying the model, linearizing nonlinear factors in the model, and linearly weighting a multi-objective optimization problem into a single-objective optimization problem; obtaining annual operation data of a power grid, decomposing an annual overall optimization problem into local sub-optimization problems of a plurality of scheduling periods according to the selected scheduling period, and calculating an optimal start-stop combination of the thermal power generating unit in each scheduling period by utilizing a computer in parallel to finish first-stage optimization; according to a thermal power generating unit start-stop optimization result, optimizing the output of each unit in a rolling manner by utilizing a computer in a scheduling cycle-by-cycle manner to finish second-stag