离开前记得关掉总开关的电源。

Remember to turn off the ___power at the main switch before leaving.

一场突如其来的暴风雨导致了全市大范围的停电。

A sudden storm caused a widespread ___power failure in the city.

这个村庄去年终于用上了稳定的电力。

The village finally got access to reliable electrical ___power last year.