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Adding battery to existing solar PV system - any thoughts/advice please.
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In my experience, if you insist on this before they arrive, they will likely include this while on the roof.JKenH said:Thanks @Screwdiva. Yes, that does make sense. I was just concerned that with the faulty panels being on 2 elevations of a two storey roof the scaffolding cost would be quite high for the extra generation I would be gaining. I will see what the contractors say when they investigate.
Just out of interest why do DNOs opt for a 11.04 kW limit. I worked out it is 3 x 3.68 so it would make sense if I had a 3 phase supply but my house is only single phase.
It's actually the PW3's limit (peak generation) that the DNO's approve. A dual PW3 application would yield a ~22kWh allowance.- 10 x 400w LG Bifacial + 6 x 550W SHARP BiFacial + 2 x 570W SHARP Bifacial + 5kW SolarEdge Inverter + SolarEdge Optimizers. SE London.
- Triple aspect. (33% ENE.33% SSE. 34% WSW)
- Viessmann 200-W on Advanced Weather Comp. (The most efficient gas boiler sold)Feel free to DM me for help with any form of energy saving! Happy to help!0
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