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Wanting to Pick the brains of you Octopus Guru's
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<blockquote data-quote="johnb2713" data-source="post: 544689" data-attributes="member: 35153"><p>The cost of the equipment</p><p>The real estate needed to site the array</p><p>The negative green aspects of such an array (manufacture, space, logistics)</p><p>What to do with the huge excess during optimum days</p><p></p><p>Apart from that nothing</p><p></p><p>My system in December generated 120.5 kWh, I use around 14,000 kWh per annum. The system I have cost £12,000. In order not to import from the grid I would need my system to be 10 times bigger, with a price tag of £120,000. It really isn't worth it and I feel there is a sweet spot between system investment and performance. I believe I have found that sweet spot which coincides with zero import of peak rate electricity and buying any additional energy I need off peak at 7.5p kWh. That said, my little system generated 5.1 MWh during the last 12 months so it's generated about a third of what I use.</p></blockquote><p></p>
[QUOTE="johnb2713, post: 544689, member: 35153"] The cost of the equipment The real estate needed to site the array The negative green aspects of such an array (manufacture, space, logistics) What to do with the huge excess during optimum days Apart from that nothing My system in December generated 120.5 kWh, I use around 14,000 kWh per annum. The system I have cost £12,000. In order not to import from the grid I would need my system to be 10 times bigger, with a price tag of £120,000. It really isn't worth it and I feel there is a sweet spot between system investment and performance. I believe I have found that sweet spot which coincides with zero import of peak rate electricity and buying any additional energy I need off peak at 7.5p kWh. That said, my little system generated 5.1 MWh during the last 12 months so it's generated about a third of what I use. [/QUOTE]
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