energy level
energy state

Our energy level has to be high for every game.

Maybe the energy level isn't quite the same when things aren't going well.

Within two weeks he felt an increase in his energy level.

Instead, you always end up with a range of energy levels.

Do I have the same level of energy and power to drive this team forward?

The level of energy was greater than he had ever seen.

"Their energy level is a little different than when they came out," she said.

Something had to be done to get his energy level back to normal.

You'll also feel an increase in your energy level and brain activity.

They felt an unusual level of energy in the room.