Geo-thermal power plant, Svartsengi, Iceland

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

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

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

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

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

Snowyhydro buildings in Cooma, New South Wales, Australia, Pacific