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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

Loading map data 0/7

Country view

River or basin

Pumped-storage hydro · grid battery

Roncovalgrande

operatingItaly · closed loop, no river attached

Turbine capacity: 1,000 MW
Energy storage: 17.68 GWh
Gross head: -
First unit: 1971

Pumps from Lake Maggiore 740 m up to Lago Delio; the hall in the cliff holds eight sets

Nameplate figures and coordinates: Wikipedia · 46.0694, 8.7319

Map layersexpand

seasonal below area no shared status