Defined term
Kilowatt-hour
A kilowatt-hour is a unit of energy equal to using one kilowatt of power for one hour.
Also known as kWh
measurement · Concept code GS-CONCEPT-008 · Last verified August 7, 2026
Evidence through 2026-06-25 · 1 source has no source-event date
Content modified 2026-08-09
Definition and decision context
Why it matters
Electricity consumption, photovoltaic production, and utility billing are commonly measured in kilowatt-hours.
Verified August 7, 2026
Definition
A kilowatt-hour is a unit of energy equal to using one kilowatt of power for one hour.
Verified August 8, 2026
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Learning navigation
Primary topic: Performance
Broader topic
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- KilowattPublished concept
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Primary sources
- U.S. Energy Information Administration: Units and calculators explained
Source event date unavailable · Ontology accessed August 7, 2026 · Ontology verified August 7, 2026
- U.S. Energy Information Administration: Electric Power Monthly, Table C.4: Unit of Measure Equivalents for Electricity
Revision Electric Power Monthly June 2026 · Source event as of June 25, 2026 · Ontology accessed August 8, 2026 · Ontology verified August 8, 2026