Wind power plant investment evaluation system and method in electricity market environment

The invention discloses a wind power plant investment evaluation system and method in an electricity market environment, and the system comprises a data collection module, a project stage recognition module, a reference model data module, a multi-model scheme data module, and a monthly comprehensive electricity price prediction module based on an SARIMAX model. Investment evaluation of a wind power plant is divided into a planning development stage and a scheme optimization stage, according to characteristics of different stages of wind power plant project development, proper investment indexes are matched for evaluation, investment decision-making requirements of all investment stages are met, electricity price prediction is carried out through an SARIMAX time sequence prediction model, and the electricity price prediction efficiency is improved. The wind power plant investment evaluation method solves the problem of wind power plant investment evaluation in an electricity market environment with continuousl