substation

noun

sub·​sta·​tion ˈsəb-ˌstā-shən 

: a subordinate or subsidiary station: such as

a

: a branch post office

b

: a subsidiary station in which electric current is transformed

c

: a police station serving a particular area

Examples of substation in a Sentence

Recent Examples on the Web

That’s what 49ers outcast Brandon Aiyuk, amid his recent social-media rants, mockingly called the practice facility that neighbors an almighty electrical substation. — Cam Inman, Mercury News, 24 July 2026

The technology is designed to work with existing substations and facilities, potentially reducing the need for lengthy shutdowns or large-scale infrastructure replacements. — Neetika Walter, Interesting Engineering, 23 July 2026

Its panels will eventually cover almost 12,000 acres and link up to a substation near the tiny town of Buttonwillow, before sending two gigawatts of electricity, enough to power 1 million homes, across the state. — Ian James, Los Angeles Times, 20 July 2026

As well as incurring the costs for additional substations, transmission, and power electronics equipment for their new facilities, large load customers are encouraged to agree to curtail power usage at times of local transmission constraints. — Drew Robb, IEEE Spectrum, 16 July 2026

Word History

First Known Use

1833, in the meaning defined above

Rhymes for substation

• ablation
• aeration
• bination
• carnation
• cassation
• castration
• causation
• centration
• cessation
• cetacean
• chelation
• citation

Kids Definition

substation

noun

sub·​sta·​tion ˈsəb-ˌstā-shən 

1

: a branch post office

2

: a subsidiary station in which electric current is transformed