About Us

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CEO’s Insight

Leading with Purpose

“Our role is to make turf care more consistent, more sustainable, and easier to manage — while giving professionals the tools they need to deliver with confidence.

We can replicate any light offered by others in the industry — and we go further, with complete plant growth management systems built around the real biology of turf.”

— Horst Theisen, CEO

About Rhenac

Behind Every Perfect Pitch Is a Great Manager

At Rhenac, we design AI-driven turf care systems that help professional sports venues grow and manage natural and hybrid surfaces — reliably, sustainably, and with less manual effort.

With over a decade of research in plant science and turf engineering, our systems are built to perform in any season, and in any environment. Whether it’s a shaded stadium, a tight match schedule, or a pitch stored underground, we give turf professionals dedicated solutions.

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Partners & Memberships

Industry Bodies
& Associations

We collaborate with leading turf management associations, research institutes, and sports organisations to stay at the forefront of innovation and industry best practice.

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What We Do

Invention, Not Innovation

The demands on turf professionals are growing — and so are the expectations of clubs, broadcasters, and fans. At Rhenac, we build the next generation of turf care systems: smarter, lighter, more connected, and easier to use.

We invent new LED lighting and turf care systems that have never existed before — with a simple mission: to support the people behind pitch conditions and help them grow surfaces that make great sport possible.

CLS LED lighting platforms, tailored to turf biology

Mobile rigs for flexible, pitch-to-pitch deployment

UV-C technology for disease prevention without chemicals

Integrated systems combining light, heat, irrigation, and real-time monitoring

Where We Come From

The Evolution of Rhenac Group

Rhenac began as a research-focused company. In 2012, we partnered with the Technical University of Munich to study how light affects turf development and stress response. This collaboration led to the creation of our patented Complete Light Spectrum (CLS) LED technology — the only system of its kind in the industry.

In 2024, we expanded by integrating TLS (Turf Lighting Solutions), bringing two decades of mobile lighting expertise into the Rhenac Group.

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RHENACgreentec

Rhenac GreenTec

Our R&D hub, focused on plant-based lighting, biotechnology, and environmental systems

RHENACsports

Rhenac Sports

Delivering advanced lighting and automation for stadiums and training grounds

RHENACtls

Rhenac TLS

Experts in mobile turf lighting, with over 600 installations across 25 countries

2011

First projects with LED grow lights

2013

Collaboration with the Technical University of Munich

2016

First tests in the Bundesliga

2017

First project with 1. FC Köln

2019

Worlds largest LED grow light system – Schalke 04

2022

Project at Santiago Bernabéu Stadium – Real Madrid CF

2024

Rhenac and TLS merger

Reach Out to Us

Global Reach, Local Support

We operate in over 25 countries, working closely with a trusted network of partners to support over 120 football clubs and sports venues worldwide. From top-flight stadiums to training grounds, our systems are used across Europe, the Middle East, and beyond.

Let’s Work Together

Whether you’re managing a training pitch or a stadium, we tailor every system to your environment, surface, and objectives. We work closely with grounds teams, stadium managers, clubs, federations, consultants, contractors and architects.

Get in touch

Careers

We’re Hiring People
Who Get Things Done

Contact Us Today

Build the Future of Sports Turf

At Rhenac, we develop smart technology that helps the world’s top sports venues keep their pitches healthy. From advanced LED systems to automated turf care, our work is changing how the industry thinks about turf. We’re growing fast — and we’re looking for people who like to get stuck in and get things done.

Join a Global Team With Local Impact

Our clients span the globe, and so does our team. Whether you’re an engineer, technician, or problem-solving manager, we’re looking for international talent ready to make an impact. You’ll join a team that values curiosity, forward thinking, and collaboration. If that sounds like you — let’s talk.