Up to 20% off your electricity bill

Save up to 20%
on your electricity bill

We look at your actual bill: potencia contratada (contracted power), time bands, grid charges and the tariff you are on. We tell you whether you are paying too much and what is worth changing. No building work and no changes to your installation.

Typical saving: between 15% and 20%

Includes

Analysis of your bill

Switching supplier

Adjusting your contracted power

Up to 20% off your electricity bill

Save up to 20%
on your electricity bill

We look at your actual bill: potencia contratada (contracted power), time bands, grid charges and the tariff you are on. We tell you whether you are paying too much and what is worth changing. No building work and no changes to your installation.

Typical saving: between 15% and 20%

Includes

Analysis of your bill

Switching supplier

Adjusting your contracted power

Resources

English

Find out what your home
could save

Work out what
your home could save

Find out what your home is capable of. We show you the savings available, your energy independence and how your system would perform, in a quick survey with no obligation.

Under a minute. No sales call.

Under a minute. No sales call.

Sun System

Rated 5.0 on Google · 22 reviews

Home with rooftop solar panels generating energy at sunset

Proven in real homes.
Not just on paper.

70%*

average self-consumption

€0

COST OF THE SURVEY

+30 kWh

DAILY GENERATION

*Estimated from real installations in different areas. Actual performance may vary.

FAQs
Everything people ask us

How much can I really save?

Most people cut their bill by between 40% and 70%. The exact figure depends on your home, your consumption and the size of the system, but we always work through realistic scenarios before installing so you know what to expect.

What happens if there is a power cut?
How long does the installation take?
Is it worth it if I am thinking of moving?
Am I still dependent on the grid?
What maintenance does it need?

Not sure where to start?

Start with your bill. We review it, work out how much you could save and tell you honestly whether it is worth it or not.

Energy tailored
to homes like yours

Properly sized systems, with brand-name equipment and a real warranty. No surprises on the bill and no promises that go unkept.

Energy tailored
to homes like yours

Properly sized systems, with brand-name equipment and a real warranty. No surprises on the bill and no promises that go unkept.

Sun System

Sun System

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Green Sun System S.L.

©2026 Made by Works230

Sun System is a solar installation company based in Estepona. We design, install and maintain photovoltaic systems, batteries and electric car chargers in Marbella, Estepona and across the Costa del Sol. We work with leading brands in the sector and every project is sized around the home's real consumption, with a warranty on both the equipment and the installation. All rights reserved.

Sun System

Rated 5.0 on Google · 22 reviews