Off-grid solar

Off-grid solar systems with Victron in Mallorca

Your own power where the grid doesn’t reach or supply is weak. We design off-grid and hybrid systems with Victron Energy for fincas, country houses, outbuildings and water pumps across the island.

Off-grid system with three Victron MultiPlus-II inverter/chargers in three-phase and a SmartSolar MPPT controller, installed by Sysefen in Mallorca
  • Independent of the grid

    Your finca runs on solar power even without a grid connection.

  • Fewer generator hours

    The generator only starts when needed: less diesel, less noise, less maintenance.

  • Remote control

    Check batteries and consumption from your phone with Victron’s VRM portal.

  • Expandable

    Add panels or batteries as your needs grow.

When an off-grid system makes sense

Many rural properties in Mallorca have no grid connection, or connecting is slow and expensive. A well-sized off-grid system powers the house, water pumping or an outbuilding all year round.

  • Fincas and country houses without grid
  • Outbuildings, stores and farms
  • Solar pumping for irrigation and wells
  • Homes with weak supply or frequent outages (hybrid systems)

Why Victron Energy

Victron is a leading off-grid manufacturer: robust inverter/chargers (MultiPlus and Quattro), MPPT charge controllers, compatible lithium batteries and the VRM portal to check your system from anywhere. We also integrate a backup generator that starts only when the batteries need it.

Sized for winter

The key to an off-grid system is the month with least sun. We calculate your daily use, days of autonomy and December production at your location so you never run out. We also handle the paperwork, including for rustic land.

Real Sysefen installations

Off-grid Victron systems

We work with leading manufacturers

  • Victron Energy
  • BYD

Brands mentioned are trademarks of their respective owners.

Method

How we work: you decide, we take care of everything

One point of contact from the first study to the monitoring of your system.

  1. 01

    Initial advice

    We review your bills and real energy use.

  2. 02

    Site survey

    We check roof, orientation, shading and electrics.

  3. 03

    Study & proposal

    We compare options and show savings and payback.

  4. 04

    Fixed quote

    Itemised price with no hidden costs.

  5. 05

    Installation & paperwork

    Installation, permits, grid connection and grants.

  6. 06

    Monitoring

    Track your production from your phone, with a local team in Mallorca.

Reviews

What our customers say

Reviews published by customers on our Google listing, unedited.

  • Gran profesionalidad. Cumplidor. He montado dos aerotermias, placas y baterías, y tres aires acondicionados. Espectacular el trato y el trabajo.
    Josep T. Google review · September 2026
  • Solo puedo decir cosas buenas del equipo de Sysefen. Son profesionales al máximo, pero además hay algo que para mí vale todavía más: detrás hay un grupo humano increíble. […] Hemos pasado por una obra especialmente difícil y complicada, con muchos problemas por el camino, y puedo decir que en más de una ocasión nos han solucionado literalmente la vida.
    Miguel Á. F. Google review · September 2026
  • Ramón es un gran tipo. Sus trabajadores, excepcionales. Grandes profesionales. Siempre hacen la milla extra. Una suerte encontrarme con ellos.
    Miguel P. Google review · September 2026
FAQ

Frequently asked questions

Can my house be fully off-grid?

Yes, with properly sized panels and batteries and usually a backup generator for consecutive cloudy days. We size it from your real consumption.

Which batteries are used off-grid?

Maintenance-free, long-life lithium (LiFePO4) batteries compatible with Victron. We size the capacity to your use and the days of autonomy you need.

Can it be connected to the grid later?

Yes. We design the system so it can become a hybrid installation if the grid arrives, reusing the main equipment.

Are there grants for off-grid systems?

Batteries may qualify for the FACTOR 2026 programme depending on the installation and applicant. We check your eligibility.

Ready to start saving?

Free tailored study and site survey, with the care of a local company.