substation

American  

[suhb-stey-shuhn] / ˈsʌbˌsteɪ ʃən /

noun

1. a branch of a main post office.

2. an auxiliary power station where electrical current is converted, as from AC to DC, voltage is stepped up or down, etc.

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substation British  

/ ˈsʌbˌsteɪʃən /

noun

1. a subsidiary station

2. an installation at which electricity is received from one or more power stations for conversion from alternating to direct current, reducing the voltage, or switching before distribution by a low-tension network

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Etymology

Origin of substation

First recorded in 1885–90; sub- + station

Example Sentences

The scandal is unfolding against the backdrop of escalating Russian attacks on Ukrainian energy facilities, including substations that supply electricity to nuclear power plants.

From BBC

The product, along with other new energy offerings, could expand Tesla’s available market to locations that aren’t dependent on substations, the analysts say.

From The Wall Street Journal

But Musk is already advertising the fourth-generation Megapack, which he said would incorporate “a lot” of what is usually in a substation.

From MarketWatch

Missiles had hit the main Belgorod heat and power plant and a substation, local Telegram channels reported.

From BBC

Others hit substations inside Chernihiv itself, making it impossible to evenly distribute power.

From The Wall Street Journal