Ability, Capability
noun
Your ability power is what you can do. This is your ability. It is also your capability.
のうりょく
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
彼女はテレポートの能力を持っています。
She has the ability to teleport.
彼、コミュニケーション能力が高いよね。
He has strong communication skills, doesn't he?
この仕事ではどんな能力が求められていると思いますか？
What skills do you think are required for this job?