With the development of digital economy, power generation enterprises are facing challenges in data standards, collection, analysis, etc. Based on big data analytics, cloud computing, etc., digital cloud warehouse technology provides an effective solution for power generation enterprises. This paper discusses the application of digital cloud warehouse technology in power generation enterprises, including equipment condition monitoring, production process optimization, intelligent energy management, enterprise decision support, etc., and puts forward specific implementation strategies, including technology selection, architecture design, data migration, security protection, personnel training, etc.