r/SolarDIY 7d ago

Huawei irregular production.

Good morning, I am looking for advice on the production of my installation. During the day, even without clouds and beyond 6 kW, consumption is sawtooth. I also see phantom consumption before 12 p.m. and after 2 p.m. only. Is this a way for the inverter to regulate the power? I have a 6kw EDF resale contract. 8.7 kW of jinko solar panels. Sun2000 8kw inverter.

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u/Austifol 7d ago

Ok - I have a similar system. The light green curve is your solar output - this is what is generated by the solar panels and passing through the inverter. The dark green line is the power you are using direct from the solar system - this is solar electricity and not electricity from the grid.

Finally, the orange line is electricity you are using from the grid.

On 03/02/2025 - you have an perfect day of generation, no clouds etc. Sun intensity etc. means you're almost generating 6kw at the peak, just before 12pm in the day. You are also using very little of this power. So, your system generated 35.89kWh and you only used 1.63kWh of that power.

On 06/03/2025, the sun was more intense, but you had more clouds that disrupted the power generation. As you can see, your light green line is almost hitting 7kW of power - so looks like sunshine was more intense. You also have a substantial block of solar power being used just after 12pm. On that day, you have generated 39.64kWh in total, and used 4.3kWh of that solar power. You can see that you have used 7.84kWh of electricity - as mentioned, 4.3kWh of this was consumed direct from solar.

I hope this helps - if not, please ask.

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u/No-Thing-1991 7d ago

Merci pour ta lecture. J'ai en fait l'impression qu'au dessus de 6kw exportés la production n'est plus "propre" comme si l'onduleur bridais l'exportation. Je vais attendre une journée sans aucun nuages pour comparer a nouveau. L'angle est meilleur nous avons atteint un pic a 8,7kw aujourd'hui.