The Hebrew word for might here is gevurah it is a warlike valor.
And the Spirit of the LORD shall rest upon him, the spirit of wisdom and understanding, the spirit of counsel and might, the spirit of knowledge and the fear of the LORD. Is. 11:2
But as for me, I am filled with power, with the Spirit of the LORD, and with justice and might, to declare to Jacob his transgression and to Israel his sin. Mic. 3:8
The Greek word for power is dunamis it roots from the word for throne and has the idea of authority over the supernatural, or controlling destiny. When Alfred Noble went looking for a name for his newly manufactured stabilized nitroglycerine produce he chose dynamite based on this Greek word dunamis.
From both the Hebrew gevurah and the Greek dunamis we see that the Holy Spirit is the most power being in the spirit realm.
But you shall receive power when the Holy Spirit has come upon you; and you shall be my witnesses in Jerusalem and in all Judea and Samaria and to the end of the earth.” Acts 1:8
May the God of hope fill you with all joy and peace in believing, so that by the power of the Holy Spirit you may abound in hope. Rom. 15:13
. . . by the power of signs and wonders, by the power of the Holy Spirit, so that from Jerusalem and as far round as Illyricum I have fully preached the gospel of Christ, Rom. 15:19
. . . and my speech and my message were not in plausible words of wisdom, but in demonstration of the Spirit and of power, 1Cor. 2:4
Now to him who by the power at work within us is able to do far more abundantly than all that we ask or think, Eph. 3:20
. . . for our gospel came to you not only in word, but also in power and in the Holy Spirit and with full conviction. You know what kind of men we proved to be among you for your sake. 1Th. 1:5
. . . for God did not give us a spirit of timidity but a spirit of power and love and self-control. 2Tim. 1:7