- Active. IEEE Power Substations Standards Collection included active standards covering switching stations, transformer stations, and generating station switchyards. IEEE Substations Standards Collection is a single source for design construction and operation of power substations. IEEE Substations Standards Collection contain 51 active IEEE Standards, Guides, and Recommended Practices, Errata & Interpretations for Power Substations, it also allows for easy full text searching on a signal standard or all standards at the same time. For a complete listing of standards go to http://standards.ieee.org/findstds/prod/cds/substation.pdf. LICENSING: SINGLE-USER EDITION: THIS PRODUCT IS LICENSED FOR ONE USER ONLY.