Become self-sufficient with onboard power

Generate your own power with solar panels and wind turbines – ideal for boats, campers and off-grid setups.
Se solceller til båd Se vindmøller Beregn dit setup

Build the right solar and wind setup

Get an overview of the key products for generation, control and installation of your own power system.

Solar panels for boats – power from the sun
For self-sufficient onboard power

Solar panels for boats – power from the sun

Solar panels provide stable charging in daylight and are a strong solution for boating without shore power. They help keep your battery bank charged for lighting, fridges, instruments and other onboard loads.
  • Charges batteries in daylight
  • Silent and maintenance-free
  • Ideal for off-grid setups
Se solceller til båd
Solar panels – power from the sun
Solar panels for cabins – power from the sun

Solar panels – power from the sun

Solar panels are an efficient solution for cabins and other places without a fixed grid connection. They can supply power for lighting, charging, water pumps, refrigeration and regular 12V or 230V loads when combined with batteries and an inverter.
  • Great for places without fixed grid power
  • Low running cost over time
  • Suitable for cabins and off-grid use
Se solceller til fritidshus
Flexible solar panels
For flexible setups

Flexible solar panels

Perfect for curved surfaces and installations with limited space – such as boats, campers and cabins. Flexible solar panels are lightweight, low-profile and easy to mount directly on decks, roofs or uneven surfaces.
  • Can be mounted on curved surfaces
  • Lightweight and low-profile design
  • Easy installation without brackets
Se fleksible solpaneler
Small solar panels (up to 200W)
For smaller setups

Small solar panels (up to 200W)

Perfect for smaller power needs, maintenance charging and installations with limited space – such as boats, campers and cabins.
  • Ideal for maintenance charging
  • Perfect for limited space
  • Great for smaller power needs
Se små solpaneler
Large solar panels (200W+)
For larger setups

Large solar panels (200W+)

Ideal for higher power consumption and setups where you want greater independence – such as boats, campers and larger off-grid systems.
  • Higher output per panel
  • Fewer panels for the same output
  • Suitable for larger battery banks
Se store solpaneler
Wind turbines – power when the wind works for you
Extra charging in windy conditions

Wind turbines – power when the wind works for you

Wind turbines are a strong supplement to solar panels, especially during periods with limited sun and plenty of wind. They can add extra charging to the battery bank and are especially relevant in self-sufficient systems near the coast, marinas or open areas.
  • Generates power without sunlight
  • Excellent as a supplement to solar
  • Relevant for demanding off-grid setups
Se vindmøller
MPPT controller – get the most out of your solar and wind
Maximum energy efficiency

MPPT controller – get the most out of your solar and wind

An MPPT controller is the heart of your energy system. It optimises the charging from your solar panels (and in some setups wind as well), ensuring maximum efficiency and proper charging of your battery bank – even in changing conditions.
  • Up to 30% better solar energy utilisation
  • Optimised battery charging
  • Stable performance in varying conditions
Se MPPT regulator
Mounting and accessories for solar panels
Safe installation and setup

Mounting and accessories for solar panels

A solar system is only as good as its installation. With the right mounts, cables, deck glands and fuses, you get a safe and reliable setup that lasts for years – for boats, campers and cabins.
  • Correct and safe installation
  • Reduced energy loss in the system
  • Long lifespan of your setup
Se montering og tilbehør
Help choosing the right setup

What should you choose?

Solar and wind cover different needs. Here is a quick guide to choosing the right solution for your setup.

☀️

Solar panels – stable daytime charging

Solar panels are the best choice for everyday charging. They generate power in daylight and cover most needs for boats, campers and cabins.

🌬️

Wind turbine – charging when there is no sun

Wind turbines provide extra power in windy conditions and are ideal as a supplement to solar panels – especially at anchor or in cabins.

🔋

Battery and controller – make the system work

Without the right battery bank and MPPT controller, you won’t get the full benefit of your system. Everything needs to work together.

Why choose SejlStrøm for solar and wind energy?

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Guidance for your setup

I help you choose the right solution for your boat, camper or off-grid installation.

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Correct system sizing from the start

The right setup is about balancing consumption, charging and battery capacity. I help you avoid both undersized and overpriced systems.

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Reliable systems that last

I focus on components that work together in real-world use – not just on paper. That means fewer issues and longer lifespan.

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Specialised in marine and off-grid

My focus is power, heating and energy without shore power. That means solutions tailored for boats, campers and cabins.

Guides for solar and wind energy

Learn about solar panels, wind turbines and how to build an efficient off-grid setup.

How much power do you need?
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How to choose solar panels for boats or cabins
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How much power do you need?
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