Q. 1. Can the Holy Spirit be referred to as a power?
A. 1. There are those who refer to God as a power or as an energy from which they can tap a power that then becomes a power within them.
The Holy Spirit is God. He is not a power. A power is a type of angel as defined in Ephesians 1:21. To call the Holy Spirit a power is to lower His Divinity to the level of His created angelic beings.
The power of God is manifested through the Holy Spirit. The Holy Spirit displays the power of God. That first action was manifested through creation. While the Holy Spirit is not a power, He has endless power to be manifested as God pleases.