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Climbingvan & Nomadic Energy is now Nohma
Same award-winning service,
fresh new name ⚡
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Choose your
own adventure
Campervan Overlanding RV/Motorhome Professional
Leave the electrics to the experts

Leading the charge with award-winning electrical systems for your campervan ⚡

Bespoke systems
designed each year
Authority on
campervan electrics*
Service of the Year!
GBEA Awards 22 & 23

Choose your own adventure with a bespoke electrical system, designed by our team of expert engineers, for free ✨

Start saving your time
to be precise
…and your money
in the bank 💰

That’s what a Nohma customer saves on average.

One of our experts, Adam 👋

We guarantee to price match all major components, so you know you won’t pay any extra using Nohma. Guaranteed savings 💥

Electrics are complicated.
We make it simple.

📦 Every single component shipped to your door

📊 Bespoke wiring diagram & installation guide

💬 Ongoing support throughout the install

The only thing keeping you up at night should be your view of the stars ⭐ Our systems are designed to BS 7671.

Ready to make off-grid energy simple?

Fill out our enquiry form
Answer 20-30 questions about you and your adventures.
Meet your engineer
One of our engineers will help throughout your journey.
We design your system
Our custom software will calculate your perfect system.
Book a meeting
You can book a call to discuss your system at any point.
You’ve got power
Follow your bespoke wiring diagram to install your system.

Where are you based?

Why use Nohma?

Without help, 99.4% of people will get their electrical system wrong†. Our clever software uses 200+ calculations & parameters to design your system, so you can leave the electrics to the experts.

†Results from our Nohma electrical system survey. Discover more.

Systems designed by engineers, not salesmen. Qualified electrical experts.
Bespoke wiring diagram for your system and expert technical support.

We work with…

Quality doesn’t need to cost the earth 🌎

Check out some example system costs – delivery & expertise on us.

Power Upspark



Power low-wattage mains appliances off-grid with a small-but-mighty system ft. a small lithium battery, solar panel and B2B.




Spend your time fully off-grid with a mid-size inverter, a larger solar array and B2B, and a mid-size AGM battery (or upgrade to lithium).




Split your time on and off-grid with a mid-size inverter and AGM battery bank (or upgrade to lithium). Recharge from hook-up, solar and B2B.




Go off-grid for longer using high-wattage appliances with a large inverter, shore power, solar array, multiple B2Bs and lithium batteries.

See our systems 👀

Beth & Jake’s Luton

Discover more

John Stuckey’s Fiat Ducato

Discover more

Bobby Bolton’s Man TG

Discover more

Your adventures are our passion.
Lake District, United Kingdom

We’re miles better…15 times better!

According to Moz, is 15x more trusted and authoritative than any other system designer*. But it’s not just the internet that loves us – so do our customers.

*When comparing Domain Authority on Moz in the industry.

4.8 out of 1419 reviews
across all platforms 💪

So, watt’s next?

Pun intended 😂

  Ready to get started?

Simply fill in our questionnaire and an engineer will be in touch.

Where are you based?

 Prefer to talk things through?

Energise your project on a call with one of our expert engineers.

A Nohma electrical system provides power for good.

Alex Honnold, pro climber & van lifer

1% of Nohma’s revenue goes towards supporting the Honnold Foundation to improve access to renewable energy for marginalised communities. You can find out more about our work with the Honnold Foundation and 1% for the Planet on our sustainability page.

Not to mention, our business runs exclusively from renewable energy ☀️