Knowledge is power. Wisdom is power.
Talent is also power, as is skill, such as that of hackers.
Charm wields power because it is a kind of influence, which is a synonym for power.
Hope is not power, unless it is transformed into ambition.
Ambition is power.
Electricity is power (joke).
Physical strength of course is power, thus "horsepower."
Truth is power if one chooses to bare it, but unfortunately money is also power.