OHS helps industrial companies produce clean hydrogen right where they need it, delivering both environmental benefits and cost savings. Our electrolyser systems range from small-scale (2.4 kW) to industrial-scale (100 kW), producing between 0.044 kg and 2 kg of green hydrogen per hour. These systems work seamlessly with companies' existing solar panels, and generated waste heat during the electrolysis process can be easily integrated into building heating or manufacturing processes—making the most of energy that would otherwise be lost. This on-site approach offers companies multiple advantages. They significantly reduce their carbon footprint while improving operational efficiency and gaining better control over energy costs. Instead of relying on hydrogen deliveries—which can face delays and supply chain issues—companies become energy independent. The economics are compelling: producing hydrogen on-site is already more cost-effective than having it delivered.

The Environmental Benefits

• •Independent hydrogen supply: Our 2.4 kW H2-OnSite unit makes up to 1 kg H₂/day for labs, while our 100 kW system delivers up to 48 kg/day — enough for SME production — eliminating external gas deliveries and ensuring secure, on-site hydrogen generation
• •Scalable, future-proof design: The H2-OnSite system grows with your needs — start small, expand modularly, and stay ready for future business opportunities without replacing the core infrastructure
• •Carbon Reduction: Our green hydrogen emits ~3 kg CO₂/kg H₂ (due to PV) vs. 10 kg for fossil hydrogen, cutting emissions by ~75%
• •Redução de carbono: O nosso hidrogénio verde emite ~3 kg CO₂/kg H₂ (devido à PV) vs. 10 kg para o hidrogénio fóssil, reduzindo as emissões em ~75%.
• •À frente dos objectivos regulamentares: A nossa solução H2-OnSite é compatível com RED II, o que significa que já cumpre as futuras quotas de combustível renovável da UE (42,5% até 2030 e 60% até 2035), permitindo que os clientes industriais liderem a transição energética antes do previsto.

The Financial Benefits

• •Hydrogen cost savings: H2-OnSite cuts hydrogen expenses by ~24%, reducing reliance on costly delivered hydrogen
• •Additional benefits: Waste heat recovery, CO₂ certificates, and low or negative electricity prices can further improve overall savings

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