ᐅ Photovoltaic System: Costs and Savings Potential – Experiences?

So... I’ve checked again and done the calculations.
Value-added tax on self-consumption in the calculated year would be €242.40.
Income tax on the feed-in is €77.50.

However, a large part of that would have occurred even without a storage system. If I only consider the tax on the stored electricity, I arrive at the €100 you mentioned for the 2,700 kWh. But from that, I would have to subtract €46, which I would pay anyway on the 2,700 kWh if I fed it directly into the grid without storage.
So instead of the €513 annual savings I calculated, it would only be €467 for the storage system.
6,000 / 467 = 12.85
That means it would take one year longer for the storage to pay off.

I know the entire calculation isn’t 100% accurate, since the investment in the photovoltaic system without storage would pay off sooner than with storage.

Actually, I just wanted to check whether the statement that a storage system is generally always unprofitable is true.

DaGoodness schrieb:

I can’t yet say whether the price increase will affect us soon.

Yes, I’m very curious about that. ;-)

DaGoodness schrieb:

Our consumption is about 9,000 kWh per year, as we have an air-to-water heat pump.

Is the house very large or poorly insulated? Is the heat pump improperly adjusted?

DaGoodness schrieb:

The VAT does not affect the cloud contract, since it has to be paid anyway, with or without the cloud contract.

Does the tax office accept that you reclaimed the VAT?
If you give up the feed-in tariff, there is no longer an intention to generate profit, right?!

DaGoodness schrieb:

Actually, I just wanted to find out if the statement that a battery storage system is always unprofitable is true.

That’s definitely not true in a general sense. However, many conditions have to be met, and above all, you need the luck that your battery lasts a long time. You can see for yourself that with the other minor factors, you end up at about 15 years to break even. It can work out well, or not. We ourselves decided to go for it, with storage costs of only 4,300 euros after subsidies, and even those were recognized as depreciable.

RotorMotor schrieb:

Does the tax office accept that you reclaimed the VAT?

Interesting question. Senec receives the VAT refund but, as I understand from the explanations in the videos, probably does not remit it. I would have this arrangement checked by a tax advisor to avoid the tax authorities showing up later with a large back payment and penalties.

RotorMotor schrieb:

Is the house very large or poorly insulated? Is the heat pump improperly adjusted?

Simply a very high electricity consumption. Everyone enjoys long showers (especially the kids, sometimes until the 325 liters (85.9 gallons) of hot water run out :p) and in general, we are not exactly economical when it comes to electricity use.

RotorMotor schrieb:

Does the tax office accept that you reclaimed the VAT?
If you waive the feed-in tariff, there is no longer any intention to make a profit, right?!

Although I assigned the feed-in tariff, I still have to pay taxes on it as far as I understand. But I need to clarify that again. Still have to file the 2020 tax return.

The deadline for the value-added tax payment has long since passed.