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

Energy at home

Etiqueta tema

Why your bill soars in summer on the coast (and what can be done)

Featured article
of the month

Home with solar panels facing the sea on the Costa del Sol

Surplus compensation: what you are really paid for the energy you export

20 Jul 2026

The price of exported energy ranges from €0.04 to €0.13/kWh depending on the supplier. We explain the legal limit almost nobody mentions and when a virtual battery is worth it.

Home with solar panels facing the sea on the Costa del Sol

Surplus compensation: what you are really paid for the energy you export

20 Jul 2026

The price of exported energy ranges from €0.04 to €0.13/kWh depending on the supplier. We explain the legal limit almost nobody mentions and when a virtual battery is worth it.

Home with solar panels facing the sea on the Costa del Sol

Surplus compensation: what you are really paid for the energy you export

20 Jul 2026

The price of exported energy ranges from €0.04 to €0.13/kWh depending on the supplier. We explain the legal limit almost nobody mentions and when a virtual battery is worth it.

Solar + battery

Etiqueta instalación

Detached house

Etiqueta vivienda

·

El Herrojo, Marbella

55,798 kWh generated since 2024 in El Herrojo

Annual saving

Etiqueta resultado

€5,580

based on real measured generation

Work out what you would save

Geometric pattern inspired by installation design
124.8

kWh of solar production

8.4h

Work out what you would save

Geometric pattern inspired by installation design
124.8

kWh of solar production

8.4h
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

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