- Orientation Study (EOS): A high-level study that evaluates whether a new connection or a modification of an existing connection is feasible, without going into full technical details.
- Detailed Study (EDS): A more in-depth technical and financial analysis required before proceeding with a new connection or modification of an existing connection.
- Minor Change Letter (MIC): A letter that states that a detailed study is not needed. The Grid user can introduce the changes in its facilities after a simple signature of an appendix of the Connection Contract and after demonstrating the compliancy of your assets.