High Appin, Dumfries

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High Appin, Dumfries

• 3.6kW grid linked installation
• 22 metres of head
• 30 litres per second
• 400 metres of 200mm pvc pipe
• 400 metres of 25mm armoured cable
• Annual generation 24 MWh
• Value 3,600

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Costs
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Whitebrook, Monmouth

• 2.2kW Grid linked system
• Re-use of infrastructure from1920s
• 15 metres of head
• 25 litres/second
• 350 metres of 200mm pvc pipe
• Annual generation 16MWh
• Value 2,500

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Costs
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Hendre Glyn, Llanover, Abergavenny

• 10 kW grid linked single phase
• 75 metres head
• 25 litres/ second
• 700 metres of 160mm pipe
• 200 metres of 35mm cable
• Approximately 50 MWh per year
• Value 6K

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Costs
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Caer Hendre, Llangynidr

• 3.0kw grid linked system with off-grid capability
• 150 metres (500 ft) of head
• 3.5 litres per second
• Fed by spring
• 650 metres of 90mm pipe
• Annual output 12MWh
• Value 2,000

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Costs
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Craflwyn National Trust Snowdonia

• 0.5 kW off grid battery charging system
• 28 metres of head
• 3.5 litres per second
• 200 metres of 90mm alkathene pipe
• 'Off the shelf' streamengine turbine
• Completed in 4 days with volunteer labour

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Costs

• Pipeline 800
• Turbine 2,300
• Intake 100
• Batteries 200
• Regulator 200
• Inverters 300
• Electrical bits 300
• Installation 750
• Total 4,950