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Solar Power, Flooring and Water for an Eco-Friendly Catering Trailer

by janis
(south wales)

White catering trailer with roof solar panels in the Welsh countryside

White catering trailer with roof solar panels in the Welsh countryside

Hi everyone.
i was reading many questions but didnt find what im looking for.
so my first concern is about how supply energy for lights small fridge and eventually fun extractor for roughly 5 hours.
i was thinking to a portable solar power station? does anyone use it before?
Any suggestions?
then for the floor i got wood and i would like draw a design with appropriate paint and then give a coat with a sealant antislip or as i read there are some paint antibacterial.
so again any advise? would it satisfy legal requirements?
last question is about running water.
for hot drinks i wish to use a good quality and size flask which i can refill boiling water in kettle on gas hob and for cold water i wish to use a foot operated pump.
Any help much appreciated.
thanks in advance

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Jun 26, 2026
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by: MobCater

Hi janis, you have packed three good questions into one, so let me take them in turn: power, flooring and water.

On power, a portable solar or lithium power station will happily run a few lights, a small fridge and an extractor fan for five hours, and plenty of caterers use them now. The fridge is your heavy user, so add up the watts before you buy. A handful of LED lights pull next to nothing, a 12V compressor fridge draws roughly 40 to 60 watts when the compressor cuts in, and a small extractor fan another 20 to 40 watts. Over five hours that sits comfortably inside a decent 1,000Wh to 1,500Wh station, whereas a cheap 300Wh unit will be flat before lunch. I would size up rather than down, pick a model with a pure sine wave inverter so the fridge runs cleanly, and if you can clip a folding solar panel on to top it up through the day, even better.

On the floor, the rule your EHO cares about is that every surface in the food area must be smooth, hard-wearing, non-absorbent and easy to clean, with no gaps for water or dirt to soak into. Bare wood fails that test because it is porous, but a properly sealed wooden floor can pass. If you want to paint a design, seal the timber first, use an anti-slip antibacterial floor coating over the top, and make sure the edges and any joints are sealed so nothing creeps underneath. Plenty of caterers end up laying continuous welded safety vinyl with the edges coved up the wall, simply because it is the easiest thing to keep spotless, but a well-sealed painted floor can satisfy the rules too. The seal is everything.

The water question is the one I would be most careful with. A foot-operated pump for your cold supply is completely standard, and the flask for hot drinks is fine. The catch is hand washing. Your EHO will want a dedicated wash-hand basin with warm running water, soap and paper towels, kept separate from where you wash food or equipment. A kettle and a flask usually will not satisfy them for hand washing, because they want the water actually running rather than dipped from a standing container. A small under-counter water heater sorts it cheaply, so keep your flask for the drinks and plan a proper hand wash setup alongside it.

One last tip: before you spend a penny, ring your local council's environmental health team and ask for a pre-registration chat. Most are glad to tell you exactly what they want to see, and it is far cheaper to hear it now than after the trailer is fitted out.

Keep going

David

Disclaimer: Food safety rules are updated from time to time. Always check the latest FSA guidance and speak to your local EHO for the most current requirements in your area.

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