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Which wattage of inverter to pick?
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<blockquote data-quote="Bob Smith" data-source="post: 529476" data-attributes="member: 35176"><p>Thanks [USER=34792]@Berserkerboy[/USER] </p><p></p><p>I think to remember that from about May until September we import about 4kWh/day but I am not sure. What I know for sure is that since 2019 we imported an average of 15kWh. I have no idea what the actual house consumption is. I can only measure what I import. (I know what I generate but not what I use from what is generated).</p><p></p><p>I am planning for about 10kWh battery storage to start with. This will obviously be too large for my current 4kWp but I intend to add more panels. I am not sure how much yet, I have two options </p><p>Option 1: About 4.5kW but the panels will be facing 3 different directions (SSE, S and WWS (but those will be on a wall good for Winter though)</p><p>Option 2: Same as 1 + about 12 panels facing NNW (about 6kW)</p><p></p><p>What I am trying to do is to spread over the day the generation. Unfortunately, there is nothing I can put facing East. The NNW is not ideal but from Mai until August they should be generating their fair bit of electricity and if the batteries are full, I'll export.</p><p></p><p>I am still in the design phase and without a committed installer, it is difficult to progress...</p></blockquote><p></p>
[QUOTE="Bob Smith, post: 529476, member: 35176"] Thanks [USER=34792]@Berserkerboy[/USER] I think to remember that from about May until September we import about 4kWh/day but I am not sure. What I know for sure is that since 2019 we imported an average of 15kWh. I have no idea what the actual house consumption is. I can only measure what I import. (I know what I generate but not what I use from what is generated). I am planning for about 10kWh battery storage to start with. This will obviously be too large for my current 4kWp but I intend to add more panels. I am not sure how much yet, I have two options Option 1: About 4.5kW but the panels will be facing 3 different directions (SSE, S and WWS (but those will be on a wall good for Winter though) Option 2: Same as 1 + about 12 panels facing NNW (about 6kW) What I am trying to do is to spread over the day the generation. Unfortunately, there is nothing I can put facing East. The NNW is not ideal but from Mai until August they should be generating their fair bit of electricity and if the batteries are full, I'll export. I am still in the design phase and without a committed installer, it is difficult to progress... [/QUOTE]
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