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gigawatt

American  
[gig-uh-wot, jig-] / ˈgɪg əˌwɒt, ˈdʒɪg- /

noun

  1. one billion watts. GW, Gw


Etymology

Origin of gigawatt

First recorded in 1960–65; giga- + watt

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

CATL’s battery capacity reached 772 gigawatt hours in 2025, up 14%, with 321 gigawatt hours under construction.

From Barron's

Battery capacity in 2025 was 772 gigawatt hours, up 14% year over year, according to Citi analyst Jack Shang.

From Barron's

The company also has 321 gigawatt hours of capacity under construction.

From Barron's

The region has heavily courted tech titans, with AI data center capacity projected by PwC to triple by 2030, to 3.3 gigawatts from 1 gigawatt.

From The Wall Street Journal

Tan also announced OpenAI as the chip maker’s sixth custom chip customer and said he expects the AI startup to deploy one gigawatt of the first generation of its custom chip next year.

From MarketWatch