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Explore rivers and the systems around themFocused datasets and analytical stories

River statisticsLong-term percentiles, rainfall and basin comparisons.DroughtsHistorical drought timelines, research and source data.FloodsCurrent global events, named rivers and verified danger levels.Meanders & restorationRiver reconnection and revitalisation projects.DamsStrategic reservoirs, functions and live records.HydrostoragePumped-storage infrastructure across Europe.Nuclear & waterPlant availability and river-water constraints.

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Satellite reservoir status

Reservoir map loading

Powered byTERRA 2100

Map layersWorldwide physical waterways · loading river pages

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Country view

River or basin

Pumped-storage hydro · grid battery

Guillena

operatingSpain · lower reservoir on the Rivera de Huelva

Turbine capacity: 210 MW
Energy storage: -
Gross head: -
First unit: 1973

Three reversible sets north of Seville - Andalusia's counterweight to the Pyrenean stores

Nameplate figures and coordinates: Wikidata · 37.6493, -6.1072

Map layersexpand

seasonal below area no shared status