Abstract: Abstract:The power grid authentication authorization and audit management system can realize the functions of unified account, centralized authentication, centralized authorization and centralized audit in the power grid. The system architecture, the key technology, the data storage, the main functions and the construction significance of the system were introduced. The main design and technology roadmap were analyzed. The implementation of the system improves the safety of the power grid system information and the efficiency of the system operation and maintenance.

Key words: Key words:power grid information management, account management, authentication management, authorization management, audit management, data safety