"power increase" is correct and can be used in written English.
Example: The new engine design has resulted in a significant power increase.
While units with higher levels are more powerful than new units, the power increase is slight.
Current density and power increase with temperature.
Around the same time, the station decided to pursue a power increase to 200 watts.
A decision was subsequently made to submit the licensing documents for a power increase from 5 MW to 6 MW.
Instead, military contractors, who were never wimps in Washington, have actually seen their power increase as their numbers decrease.
Wind and solar power increase their share of electricity production as the system grows to encompass large-scale weather patterns.
Surface morphology and texture developments are investigated as the O2 : Ar ratio and sputtering power increase.
The corresponding thermal resistance decreases as the total mass flow rate and the pumping power increase.
At low current densities, the power increase is accompanied by an increase in overall thermodynamic efficiency.
Ethane is a fluid that obtains a large net power increase when used in mixtures.
But when we interrupt engine circuits to tie the power increase into the transporter, it'll show up on Sulu's security board.
