ᐅ How effective are combined systems: heat pumps, solar panels, and energy storage?

How efficient are combined systems of heat pumps, solar panels, and energy storage in practice? Do they really deliver all the theoretical benefits attributed to them?

A heat pump extracts energy from the natural environment, solar panels generate electricity from sunlight, and an energy storage system can store excess energy. Together, they could help reduce energy costs and lower CO₂ emissions. But how reliable are these systems, and is the investment worthwhile in the long term?

Does anyone have experience with this?

Best regards, baunewbiene

There is no all-in-one solution. What you are describing is essentially the KfW 40-plus house (with the corresponding insulation).

On the other hand, you need a heating system (heat pump). Photovoltaic systems are increasingly becoming mandatory for new builds, so now you only need to consider whether a photovoltaic storage system makes sense or not. Since prices for these have dropped significantly, it comes down to a calculation based on your personal consumption.

Everything depends on a) the insulation standard of your house and b) the initial purchase price for the entire system.

And, of course, on the development of energy prices. It is unlikely that they will become cheaper.

Rübe1 schrieb:

Everything depends a) on the insulation standard of your house and b) the purchase price for the whole system.

You forgot c) your personal preferences.

We have the described combination in a typical semi-detached house from the late 90s and are very satisfied with it.

However, we combined it with a fourth component, namely off-grid functionality (commonly known as "emergency power"), which has only been used twice so far but pleased us both times.