The Frenich Hydro Project is a 730kW project on the shores of Loch Tummel, not far from Pitlochry, and is a joint venture “JV” between Gilkes Energy and the landowners, the McKerrow family. A 2km pipe transfers water from the intake to the powerhouse. This vertical drop, known as the ‘Net Head’ of the project is 178m. The pipeline is made of two different materials - in the upper, low-pressure section HDPE (High Density Polyethylene) is used. I

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