Heaven is a place. Places don't necessarily have power. (but then it all depends on what exactly you mean by the word "power") GOD certainly has All-power as does His Son, Jesus Christ and the Angelic leaders like Michael the Archangel have a lot of power too.
there are no power lines in heaven
Ptah power is Creator of heaven and earth
God is the only one who has the power to decide who goes to heaven or not.
the power is that she is the queen of heaven and gods, goddess of marraige and familys
Many religious beliefs suggest that prayer is a way to communicate with a higher power, and in heaven, it is often believed that there will be a direct connection with that higher power. Therefore, it is commonly thought that prayer will continue in some form in heaven.
Heaven Shall burn
god
Bryan Adams wrote a power ballad titled "Heaven." It appears on the albums A Night in Heaven (movie soundtrack, 1983) and Reckless (Bryan Adams album, 1984).
Mandate of Heaven
In many religious beliefs, angels are often depicted as singing in heaven as a way to praise and worship a higher power.
a piece of Chinese political and religious doctrine used to determine the ruler of China.
God created heaven and earth to demonstrate his power, love, and glory, and to provide a place for humans to live and have a relationship with him.