"invisible power" is correct and usable in written English.
You can use it to refer to a force, influence, or energy that is not visible or perceivable, especially one that has a strong influence over people. For example: "It was as if some invisible power was directing the flow of the conversation."
Imagine an invisible power.
LOS ANGELES — Most industries have invisible power players.
It puts you in touch with invisible power of — yes — the universe.
Archives|SCHLEICHER WIELDS INVISIBLE POWER; Aides He Trained in Reichswehr Ministry Have Permeated Other Departments.
German and British diplomats both made gestures of sympathy for Zionism because they believed in the invisible power of international Jewry.
Described as "insensitive" and "harsh", her honesty touched upon the transformation of western societies by the "invisible" power of PR and lobbying.
The hope was that if you gave the place a nice name, the invisible powers who governed its towering waves might feel placated and behave more calmly.
I felt I'd give anything to know how to do it a spell, a cure, a bargain with invisible powers.
As Peter James and Nick Thorpe point out in "Ancient Inventions," published in 1994, some ancient civilizations were aware of natural electric phenomena and the invisible powers of magnetism (though neither concept was understood).
Tribe does not seem, however, to cite any new invisible powers but rather segues into a confusing discussion of the six "modes of construction" of the invisible Constitution, including the "geodesic" and the "gyroscopic".
Kaling, tired of being ignored, quickly sets off to do all the things she imagines she could with invisible powers, including eating a tub of ice cream with what looks like a garden shovel as she walks through a supermarket, sunbathing nude in a park and kissing Matt Damon.
