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Solar installation with battery storage
Battery storage

Solar installation with battery: costs, benefits and how it works

A battery storage system allows you to use the solar power you generate yourself even in the evenings and at night — instead of feeding it into the grid.

70%

Self-consumption possible

8–15 kWh

Typical storage size

25–40k

CHF total cost

Self-consumption comparison

Without storage~30%
With storage~70%

Benefits

Why battery storage?

Less grid electricity

You buy significantly less electricity from your energy supplier — day after day.

Lower electricity costs

In the long run, your electricity costs fall considerably, especially with rising prices.

More independence

Less dependence on the electricity market — even in the evenings and at night.

Use solar power

The electricity you generate yourself is no longer fed unused into the grid.

Storage size

What size battery do I need?

The calculator shows the optimal storage size for your consumption.

3–4 Personen

Einfamilienhaus

Empfohlener Speicher

8–10 kWh

Tageskapazität

8–10 kWh

Eigenverbrauch ohne Speicher~30%
Eigenverbrauch mit Speicher~70%

When is it useful?

Is storage worth it?

A battery storage system is particularly worthwhile in the following cases:

An electric car is charged
A heat pump is operated
Electricity consumption in the evenings is high
The goal is to use as much solar power as possible yourself

Storage cost

Price overview

5 kWhCHF 4'000 – 6'000
10 kWhCHF 7'000 – 10'000
15 kWhCHF 12'000 – 15'000

Indicative costs excluding installation.

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