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WHO WE ARE
The energy industry is full of companies that sell you technology and disappear. SMINN was founded in 2019 on the opposite conviction: energy should work as one system, and someone should stand behind that system and stay with it. A charger without solar is a piece of the puzzle. Solar without a battery is wasted potential. A battery without management is an expensive box. That is why we build complete systems, not just products, and we look after them for years after installation.
“SMINN means one thing to me above all. Energy that works without people having to think about it all the time. That is exactly what we work towards every day.”

Peter Zverbík - Co-Founder & CEO
We build intelligent energy systems so that homes and businesses have predictable costs and less dependence on the grid. We design them, manufacture them and stay with them for years after we put them into operation.
A world in which people choose cleaner air, quieter streets and energy they understand. Not because they have to. Because they want to.
OUR VALUES
Not labels on a website, but a compass we follow every day.
01
What we promise in the quote is what you actually get — the timeline, the output and the price. If anything changes, you hear it from us first, not from the invoice.
02
The best solar panel and the best battery don't yet make the best system. What makes it is the intelligence that connects them. That's why we built our own control system, the brain that gives every component meaning.
03
When we can see the investment won't pay off, or that a smaller system is enough for you, we say so plainly — even if it costs us the job. We'd rather lose one sale than sell you something that doesn't make sense.
04
The relationship with a customer doesn't start with a price quote and doesn't end with installation. It starts with the question "what do you actually need?" and ideally continues for ten, fifteen, twenty years.
05
We believe a local European supplier of energy solutions can stand alongside world-class brands not as an alternative, but as an equal partner.
We don't write these five principles in advance, we write them from how we actually work. If you meet us and one of them doesn't hold, tell us and we will do everything to be better next time.
Contact usContact us directly or browse open positions

MARTEL Group is a Slovak company with European operations, active in the energy sector since 2008. HV connections, transformers, LV networks, switchgear, photovoltaics.
Learn more about MARTEL Group2008
Nearly 18 years in renewable energy
55+
Qualified engineers and technicians
2000 km²
Nearly 2,000 km² covered with solar panels
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Martin Rusnák
Head of Sales
