Open a elevated command prompt.
Enter powercfg /list to see the availabel power plans. The current plan will be marked with a *.
Code:
C:\Users\ztruk>powercfg /list
Existing Power Schemes (* Active)
-----------------------------------
Power Scheme GUID: 381b4222-f694-41f0-9685-ff5bb260df2e (Balanced)
Power Scheme GUID: 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c (High performance) *
Power Scheme GUID: a1841308-3541-4fab-bc81-f71556f20b4a (Power saver)
Copy the GUID of the active plan (double click on it) then click the right mouse button.
Enter powercfg /query 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c (<-- use yours)
You'll get a list of all the possible power settings and their current values. You can save this in a .txt file for reference but also export the plan to import at another time if needed.