Guizhou is rich in energy resources. With the promotion of the goal of "carbon peaking and carbon neutralization", the proportion of new energy construction and power generation dominated by wind power generation and photovoltaic power generation has increased rapidly in recent years. Power prediction of new energy in combination with meteorological factors is an important theme for meteorological services to cut into the construction and development of new power system dominated by new energy. The special geographical characteristics of Guizhou lead to the complex construction layout of new energy facilities and the weather and climate factors affecting their operation. According to the investigation and research, combined with the construction and operation of new energy in our province, this paper first discusses the relevant observation, prediction, service and management capabilities and deficiencies of domestic and Guizhou meteorological departments in serving new energy power prediction, and further explores the connection and dilemma between market demand and existing support. According to the innovation of the market environment, this paper puts forward some ideas and suggestions on how to efficiently adapt the meteorological business capacity and system to the demand and development of the power market dominated by new energy in the future.