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8.5 kW Bifacial PV System: ~7 year ROI: Fact OR fiction?
Comments
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My July was my best ever too since I had my PV in dec 22
4.8kWp 12x400W Longhi 9.6 kWh battery Giv-hy 5.0 Inverter, WSW facing Essex . Aint no sunshine ☀️ Octopus gas fixed 5.07 + Octopus Intelligent Flux leccy
CEC Email energyclub@moneysavingexpert.com3 -
My 5.1kW array managed 895kWhr for the month, which is a record (as I imagine everybody's is!).
What's remarkable is that is 28.9kW per day average, or 5.66 'O's (28.9kWhr/5.1kW). Anything over 5 is very good!
My absolute peak is 34kWhr in a day (6.67 'O') but that wasn't in July!. What's been noticeable is that peak power on a really hot day is up to 20% lower than expected from eg a sunny but cooler day at an equivalent time of year, due to panel/temperature degradation. What that says is that panels get really hot
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Another record breaking monthly generation for August and the 4th consecutive (nearly 5th) 1+ MWh month.
- 10 x 400w LG Bifacial + 6 x 550W SHARP BiFacial + 2 x 570W SHARP Bifacial + 5kW SolarEdge Inverter + SolarEdge Optimizers. SE London.
- Triple aspect: ENE (2.7 kWp), WSW (3.3 kWp), SSE (2.4 kWp)
- 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!3 -
Nice one @Screwdriva , my panels aren't bi-facial but I had similar records ,except June which hasn't surpassed the exceptional 23 which was my record until this July.
4.8kWp 12x400W Longhi 9.6 kWh battery Giv-hy 5.0 Inverter, WSW facing Essex . Aint no sunshine ☀️ Octopus gas fixed 5.07 + Octopus Intelligent Flux leccy
CEC Email energyclub@moneysavingexpert.com0
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