Installateur casqué fixant des panneaux solaires sur les rails d’un toit de tuiles

Repowering

Make your installation produce more.

Repowering modernises your existing system to increase its output, improve its efficiency, and adapt it to today’s energy needs.

The benefits

What repowering brings you

Produce more

More power and production from the same surface area.

Adapt your installation

To integrate a battery, heat pump, or electric mobility more easily.

Modernise the system

More up-to-date equipment, better suited to your new requirements.

Performance example

What a repowering can concretely change.

Thanks to the evolution in power density of panels over the last 10 years, a gain of up to +65% is achievable through equipment replacement.

Before: nine damaged panels and the original inverter, 100 kW; after: recent panels and a new inverter, 165 kW, +65%

Indicative example based on the average evolution of photovoltaic panel power. The actual gain depends on the age, condition, and configuration of your current installation.

Why

When to consider repowering?

01

An ageing installation

Your installation is already several years old

02

Solar potential to exploit

Your roof could accommodate more power

03

Rising needs

Your energy needs have increased

04

A roof to renovate

You are planning a roof renovation

05

You wish to increase the scope of your energy management

You wish to integrate a battery, a heat pump, or an electric vehicle

Brands recognised for their reliability.

Our partner brands

Fronius logo
Huawei logo
EcoFlow logo
BYD logo
Enphase logo
Sigenergy logo

What to choose

Repair the existing system or increase its potential?

Two installers placing a solar panel on a roof

Restore

Renovation

Restore the installation to good working order, while keeping as much as possible of what can still be used.

Keep what still works
Components that are still reliable and compatible are maintained to avoid unnecessary replacements.

Correct identified faults
A breakdown, a loss of communication, or a connection problem can often be addressed in a targeted manner.

Extend the lifespan of the installation
A renovation allows the system to be brought back to the right level to continue exploiting your solar production in good conditions.

Like them, give your installation a new lease of life.

Let’s study your repowering project.

Age and compliance of your equipment, current production, and new energy needs: our teams evaluate your installation to define the most useful improvements.

Four possible answers

Before replacing, you need to know what deserves to be replaced.

Roof of a building covered with solar panels, with Lake Geneva and the snow-capped Alps in the background

Preserve the existing

Keep what still works.

An old installation is not necessarily an installation that needs replacing. The diagnosis identifies elements that are still reliable and suitable.

Verify actual performance
Age alone is not enough to judge equipment. Production, component condition, and available data allow us to evaluate what can continue to function.

Keep equipment that is still reliable
Modules, cabling, or structures can be maintained when they remain in good condition and compatible with the rest of the installation.

Avoid unnecessary replacements
The intervention focuses on what actually requires action, rather than systematically starting from scratch.

Our projects

One step closer to energy autonomy.

FAQ

Not necessarily. Certain components can be kept if they are still suitable and compatible.

Yes. Current panels generally offer more power per module, which can allow for increased production without adding surface area.

Yes. Repowering is often a good time to upgrade the entire energy system.

No. It depends on the age of the installation, its performance, the available surface area, and your needs. An analysis determines if the investment is relevant.

An electrical compatibility study is carried out beforehand to verify that the new components integrate correctly with your existing installation.

Panels are generally guaranteed for 25 to 30 years, with degradation of around 0.5 to 1% per year. Inverters, on the other hand, often last 10 to 15 years: they are frequently the first component that needs to be replaced.

Our services

Solar energy tailored to your home.

  • Produce

    Solar

    Photovoltaic production, self-consumption, yield and installation types: making the most of your roof’s potential.

  • Heat pumps, solar integration and heating consumption optimisation.

  • Charging stations, solar charging, load management and bidirectional charging.

  • Control

    Smart Energy

    Developments in the Swiss market, new regulations, tariffs and energy sharing models.

A smiling man in a black Younergy t-shirt, portrait on a white background

Can your installation do better?

We analyse your current system and discuss the possibilities for evolution with you.

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