Reduce the consumption of energy, water and chemicals in food & beverage factories.

Decarbonize and use less water and chemical products thanks to the innovation of our European start-ups and SMEs and our knowledge of your processes.

50+
GWh of electricity
saved
5000+
t CO2e avoided
100000+
M3 of water
saved
5+
Years of
operation
who we are

Our actions have an impact

Each time we complete a project, we reduce the negative impact of a business on the planet, while saving them time and money.

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Why us?

An innovative network to accelerate change.

Our passion for change and our industrial knowledge allow us to implement tailor-made solutions for the Food and Beverages sector.

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Testimonies

What our customers say

REENIU, a company that listens to customers and offers, in the wide range of their solutions, those that are best suited to needs. Solutions that make it possible to measure and reduce our energy consumption. In addition, responsiveness and responses to various requests in line with our industrial world expectations.

Didier Letellier
Industrial Project Manager

“REENIU provided us with a wide range of decarbonization technologies that ensured an impressive return on investment for our 2021-22 investment plan. “

Michel R.
Global Process Engineer

“Reeniu offers around thirty solutions that meet current challenges. Among them is Qualisteo, an instrumentation, software and support solution for energy monitoring and management. In 2023, it allowed us to identify an optimization of uses and to act quickly in the event of a deviation in gas, electricity and water consumption.”

Alan Le Goulven
Industrial Director
Former customers

They trust us

Latest news

It's an exciting time for the cleantech sector.

October 21, 2025
Waste heat recovery: a tailor-made approach, not a one-size-fits-all recipe
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When talking about waste heat recovery in industry, the first mistake is to believe that there is a universal solution. Each factory is unique: its processes, its temperatures, its flows.

October 7, 2025
🔍 energy efficiency through Monitoring
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Rather than a big hypothetical gain, it's better to combine small victories...

October 2, 2025
Energy audit or ISO 50001: what is changing in 2026 for industries.
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As of January 1, 2026, the rules are tightening for French companies — including F&B and pharmaceutical sites — with two major obligations: - The mandatory energy audit (extended tertiary decree) - The transition to ISO 50001 for large companies and energy-intensive sites

September 17, 2025
Is your factory in one of these departments...
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Is your factory in one of these departments where the hydrotimetric titer of the water is high? From orange to red, the water is hard to very hard and scales the cooling towers and the DHW networks, with consequences