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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.

"To meet the energy demands of AI, tech companies are building gigawatt data centers powered by dedicated nuclear power plants," Hersam said.

From Science Daily • Apr. 18, 2026

In its most recent earnings, Nebius said it is on track to reach between 800 megawatts and one gigawatt of connected power by the end of 2026, with more than three gigawatts of contracted power.

From Barron's • Mar. 11, 2026

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

From Barron's • Mar. 10, 2026

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 • Mar. 6, 2026

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 • Mar. 5, 2026