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Solar immersion optimiser fitted
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<blockquote data-quote="Joules" data-source="post: 536285" data-attributes="member: 35656"><p>With the greatest of respect I disagree, the cost per kWh of gas under the guarantee is around £0.14 and the best SEG tariffs vary between £0.03 to £0.075. The whole thing is is controversial in that solar has nothing to do with the wholesale price of gas. Withstanding the guarantee suppliers will sell your export back to you for around £0.50. They argue the excessive profit is necessary for investment in energy infrastructure. The optimiser could for example preheat the combi- boilers hot water supply pushing its efficiency over 90%. On the grid the best gas generators operate around 48% efficiency because of the higher calorific value of gas compared with coal. Better on principle to heat hot water using solar power than wasteful grid electricity.</p></blockquote><p></p>
[QUOTE="Joules, post: 536285, member: 35656"] With the greatest of respect I disagree, the cost per kWh of gas under the guarantee is around £0.14 and the best SEG tariffs vary between £0.03 to £0.075. The whole thing is is controversial in that solar has nothing to do with the wholesale price of gas. Withstanding the guarantee suppliers will sell your export back to you for around £0.50. They argue the excessive profit is necessary for investment in energy infrastructure. The optimiser could for example preheat the combi- boilers hot water supply pushing its efficiency over 90%. On the grid the best gas generators operate around 48% efficiency because of the higher calorific value of gas compared with coal. Better on principle to heat hot water using solar power than wasteful grid electricity. [/QUOTE]
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