Dictionary.com
Thesaurus.com

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.

Number of gigawatt hours of new energy storage added to the U.S. electric grid in 2025, a record.

From Barron's

Number of gigawatt hours of new energy storage added to the U.S. electric grid in 2025, a record.

From Barron's

The company on Thursday announced a joint venture with Starwood Digital Ventures—an arm of asset manager Starwood Capital Group—to support more than 1 gigawatt of advanced data-center of IT capacity.

From Barron's

The price tag for the 3.2 gigawatt, two-reactor facility now stands at £49 billion in today’s prices, or roughly $66 billion.

From The Wall Street Journal

Adding eight gigawatts of new demand to a 2.4 gigawatt system is like chaining an M1 Abrams tank to a Toyota Camry and expecting the two vehicles to drive calmly down the highway together.

From Barron's