# hydropower

/ˈhaɪdɹoʊˌpaʊɹ/ (US) · /hˈaɪdɹəpˌaʊɐ/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/hydropower
Updated: 2026-05-20

## Definition

a type of energy made by using the movement of water, like the flow of a river or the power of a waterfall. It is a common way to produce electricity.

For teachers: the generation of electricity by the controlled flow of water, typically through the use of dams or turbines. Often used as a renewable energy source in environmental and engineering contexts.

## Examples

- The local town uses hydropower to get its electricity.
- Many countries are investing in hydropower to reduce their reliance on fossil fuels and lower carbon emissions.
- While hydropower remains a significant contributor to the global renewable energy mix, its environmental impact on aquatic ecosystems often necessitates careful engineering and regulatory oversight.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.