The whole project took three years to complete, including a year-long build. With every detail checked, from gaining licences and planning permission to environmental and archaeological assessments. Two streams gush through 900 metres of 12-inch pipes on a remote farm in Snowdonia National Park, Wales. They then fall over 600ft to the power station at the foot of the mountain. Wildlife protection was an important factor, so special passes through the two weirs were constructed for brown trout and eels. With 72 litres of water flowing through per second, the turbine produces an average of 350,000 kWh annually, which goes back into the national grid.
The first step was building two weirs and a forebay tank.
The second step was to build the power station and grid connection cubicle at the base of the mountain.
Then 900 metres of pipe and cabling were installed to connect the weirs at the top to the power station at the bottom.
This was followed by installation of the turbine, generator and computer control system.
Finally, the wiring, commissioning and the TURNING ON…
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