In the modern societies, the weather information of the weather services is becoming considered as important, and in recent years, more attention was paid to the long-term weather forecasts. The long-term weather forecasts is being serviced with the temperatures, precipitation in the perspective of nation, and based on the public information, the private sector is providing various kinds of long-term forecasts. This long-term forecasts is useful for the enhancement of the efficiency in the industry sector, and with this regard, the research is to establish the utilization plan of the long-term forecasts for the energy industry. The efficient utilization plan of the long-term forecasts for the energy industry was established based on actual demand research with the consideration of the utility, the applicability, the degree of the user-friendly, mission efficiency, and the phased utilization strategy was established. The purpose of the first phase is the public relations and enhancement of the awareness of the long-term forecast service, and that of the second phase is the organization for the service reinforcement of the long-term forecast service. The purpose of the third phase is the development and research of the tailored service of the long-term forecast, and that of the fourth is the high efficiency and utility maximization of the service. It is expected that this service utilization plan will revitalize the service of the long-term forecast in the energy industry and provide a useful framework for expanding the utility in other industry sectors.