Chinese hydro-electric scheme near Kukes, northern area, Albania, Europe

Hydro canal between Lakes Tekapo and Pukaki in a hydro-electric power scheme in Canterbury, South Island, New Zealand, Pacific

A 700 Kw hydro pwer scheme being constructed on the slopes of Ben More on Mull, Scotland, UK.

A lorry delivering hydro pipes for the New Rydal Hall Hydro electric scheme, Ambleside, Lake District, UK.

Hdro pipes for the New Rydal Hall Hydro electric scheme, Ambleside, Lake District, UK.

A 700 Kw hydro pwer scheme being constructed on the slopes of Ben More on Mull, Scotland, UK.

Guthega power station, part of the Snowy Mountains hydro scheme, New South Wales, Australia, Pacific

Guthega Dam supplying the water to power Guthega power station as part of the Snowy Mountains hydro scheme, New South Wales, Australia, Pacific

The Settle hydro scheme, a small scale hydro project owned by a community provident project that will generate 180,000 Kwh of green electricity per year, Yorkshire, England, United Kingdom, Europe

Guthega Dam supplying the water to power Guthega power station as part of the Snowy Mountains hydro scheme, New South Wales, Australia, Pacific

Guthega Dam supplying the water to power Guthega power station as part of the Snowy Mountains hydro scheme, New South Wales, Australia, Pacific

The intake for a small scale hydro electric scheme in the Copper Mines Valley above Coniston, Lake District, Cumbria, England, United Kingdom, Europe

Pipeline taking water to Guthega power station as part of the Snowy mountains hydro scheme, New South Wales, Australia, Pacific

Guthega Dam supplying the Mountains hydro scheme, New South Wales, Australia, Pacific

A display at the Snowy Hydro scheme visitor centre in Cooma, New South Wales, Australia, Pacific

Electricity lines taking power from the Murray 1 power station, part of the Snow Mountains hydro electric scheme, New South Wales, Australia, Pacific

Pipes feeding the Murray 1 power station, part of the Snow Mountains hydro electric scheme, New South Wales, Australia, Pacific

Turbines in Murray 1 power station, New South Wales, Australia, Pacific

The Snowy Hydro scheme visitor centre in Cooma, New South Wales, Australia, Pacific

Turbines in Murray 1 power station, New South Wales, Australia, Pacific

Turbines in Murray 1 power station, New South Wales, Australia, Pacific

Turbines in Murray 1 power station, New South Wales, Australia, Pacific

Murray 1 power station, Snowy Mountains, New South Wales, Australia, Pacific

Turbines in Murray 1 power station, New South Wales, Australia, Pacific