Question More ways to save Extreme amounts of Energy/Power?

[ikernelpro4]

Hey my goal is to save as much energy as I can.
I turned on Energy saving mode, turned the graphics card, Bluetooth, WiFi (usb tethering hopefully saves more energy than having a WiFi module enabled) off.
Limited processor cores to 2 instead of 8, shouldn't do much but hey why not.
Turned off unnecessary services on bootup and uninstalled a few applications.

What else can I do to save massive amounts of energy in windows? (The Desktop itself eats a lot of resources but it's not like you can change to much lighter DE like in Linux xfce or dwm).
I thought tablet mode saves lots of energy + resources but many refute this claim so its difficult to tell.

Any other tips?

 

[USAFRet]

How much power does your system actually use? Before all this turning stuff off.
Actual measured power consumption, and how did you measure it?