Russ
→Running cost
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Solexious
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Ciaran.mooney
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no edit summary
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Robert
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Created page with "== Running cost == *The tube is £250 for 1000 hours *The lens+mirrors are £150 for 250 hours *The power is (say) 1.2kW at £.2/kWh. *So 250/1000 + 150/250 + 1.2*.2 = £1.09/ho..."
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