The invention discloses an electronic archiving method for 
power grid operation and maintenance project archives. The method comprises the following steps: S1, establishing an electronic archive 
template library; s2, establishing corresponding relation data of operation inspection project 
milestone nodes and archives to be synchronously archived, and forming an 
archive file uploading detail 
list; s3, establishing 
milestone plan node data of each operation and maintenance project before implementation of the 
power grid operation and maintenance project; s4, in the 
project implementation process, according to the project 
milestone node data, archiving of archive files is completed synchronously; s5, performing statistics on the archives by adopting a periodic statistics method; and S6, repeating the step S5 until the settlement of the operation inspection project is completed and the archive filing is completed, obtaining project archive 
abnormality rate data, and carrying out overall evaluation and 
abnormality analysis on the project archive condition based on the archive 
abnormality rate data. According to the invention, the 
standardization, normalization and 
informatization work level of the project 
file management of the 
power grid operation and maintenance project can be improved, and the integrity, accuracy, normalization and timeliness of the project file are ensured.