Nernst Electric
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Founders
About
Nernst Electric is an Irish startup based in Bray, south of Dublin, developing on-site oxygen generation for fish farms and heavy industry. The company generates high-purity oxygen — exceeding 99 percent purity — directly on site using ceramic membranes to separate oxygen from ambient air, giving fish farms a reliable supply at lower cost and higher energy efficiency, with applications across aquaculture, mining, metallurgy, and steelmaking 12. Nernst first joined the Hatch Blue portfolio in July 2025, receiving pre-seed funding from Hatch Accelerator Fund II and joining Hatch Blue’s accelerator programme 13.
Funding History
| Date | Round | Amount | Lead | Co-investors |
|---|---|---|---|---|
| 2026-07-22 | Seed | €1.7M | Hatch Blue (Blue Revolution Fund) | 123 |
The seed investment is reported as €1.7 million (approximately $2 million) 13. Nernst plans to build a demonstration unit as a step toward commercial customer trials and a Series A 1.
What Investors Say
“Aquaculture is generating commercially attractive innovation at pace, and the sector’s own fundamentals are strong.”
— Carsten Krome, Managing Partner & Co-Founder, Hatch Blue, July 2026 2
“The team came in with a manufacturing concept and have built it into a working system ready for its first aquaculture deployment.”
— Caitriona Kelleher, Managing Director of Early Stage Investments, Hatch Blue, July 2026 2
What Founders Say
“For decades, the limitations of conventional on-site oxygen generation have held back productivity across industries including aquaculture, mining, metallurgy, and steelmaking.”
— Nick Farandos, CEO, Nernst Electric, July 2026 2
Sources
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EU-Startups, “Ireland’s Nernst Electric raises €1.7 million to advance on-site oxygen generation technology for aquaculture and heavy industry,” July 23, 2026. Accessed July 2026. https://www.eu-startups.com/2026/07/irelands-nernst-electric-raises-e1-7-million-to-advance-on-site-oxygen-generation-technology-for-aquaculture-and-heavy-industry/↩↩↩↩↩
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The Fish Site, “Oxygen startup secures $2m seed investment from Hatch Blue,” July 22, 2026. Accessed July 2026. https://thefishsite.com/articles/oxygen-startup-secures-2m-seed-investment-from-hatch-blue↩↩↩↩↩
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Undercurrent News, “Hatch Blue invests $2m in Irish aquatech startup Nernst Electric,” July 22, 2026. Accessed July 2026. https://www.undercurrentnews.com/2026/07/22/hatch-blue-invests-2m-in-irish-aquatech-startup-nernst-electric/↩↩↩