The electricity supply here is quite erratic.

这里的电力供应相当不稳定。

《牛津词典》

The electricity supply has been cut off at the mains.

电的供应在电源处被切断。

《牛津词典》

After the failure of electricity supply the city was in chaos.

停电后，城市一片混乱。

《新英汉大辞典》

There are rules for companies that supply utilities like electricity and water to let competitors use their wires or pipes.

VOA: special.2010.03.19

So, you have a bunch of people willing to supply electricity

那么，有一些人愿意提供电力

有趣的研究课题 - SpeakingMax英语口语达人

The electricity comes from a small power supply placed under the skin in the chest.

VOA: special.2010.10.26

The Ward family now have more food and their electricity supply has been restored.

BBC: Families still stranded by deep snow

Public opinion on Guernsey's electricity supply is being sought by the States' Scrutiny Committee.

BBC: Guernsey's States begins consultation on electricity

The companies said nuclear technology was important to secure electricity supply and reduce CO2 emissions.

BBC: Energy giants join up on nuclear