Abstract: In the era of big data, data has become an important strategic resource for enterprises. Discover and create data assets in the process of enterprise digital transformation, so as to bring timely and effective decision-making guidance and business innovation to enterprises, and at the same time bring out the full true value of data assets and become the core value driver of the current digital transformation of major traditional industries force. After years of informatization construction and development, the power industry has introduced a variety of information systems and accumulated abundant data resources, but the data generated by various systems are not effectively connected, and it is difficult to share and share. There is a lot of room for improvement in supporting and expanding emerging businesses. The article combines the current hotly discussed Data Mid-End concept in the industry and the background of the "Carbon Peaking and Carbon Neutrality" era to discuss its application scenarios and value in the process of digital transformation of the power industry. The relevant experience can be used for reference by enterprises in the power industry.