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question on power usage following a new PV installation
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<blockquote data-quote="solar-forum" data-source="post: 531829" data-attributes="member: 35294"><p>Final note about my consumption. I think I now understand why I start the day with a grid charge of around £0.40-£0.50. I have now read the installation manual for the solis inverter and it looks as if the installer may have set it to manage the battery state of charge by drawing from the grid if the SOC falls below a certain threshold. That threshold looks to be a default of 20%. So, as the battery discharges overnight, if it reaches a level of only 20% full it will start to draw from the grid to prevent discharge below this level. Looking at the historic inverter stats, I seem to normally end the sunlit period with a charge of 85%-95% (which will of course change as we move to shorter days over autumn and winter) and drop to around the 20% level by morning when the PVA starts to pick up generating again. This now makes sense.</p><p></p><p>So far as I can ascertain, there is no way for me to alter this behaviour from the cloud montoring system.</p></blockquote><p></p>
[QUOTE="solar-forum, post: 531829, member: 35294"] Final note about my consumption. I think I now understand why I start the day with a grid charge of around £0.40-£0.50. I have now read the installation manual for the solis inverter and it looks as if the installer may have set it to manage the battery state of charge by drawing from the grid if the SOC falls below a certain threshold. That threshold looks to be a default of 20%. So, as the battery discharges overnight, if it reaches a level of only 20% full it will start to draw from the grid to prevent discharge below this level. Looking at the historic inverter stats, I seem to normally end the sunlit period with a charge of 85%-95% (which will of course change as we move to shorter days over autumn and winter) and drop to around the 20% level by morning when the PVA starts to pick up generating again. This now makes sense. So far as I can ascertain, there is no way for me to alter this behaviour from the cloud montoring system. [/QUOTE]
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Green Renewable Energy Forum
Solar PV Forum
question on power usage following a new PV installation
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