Despite hydrogen’s status as the most prevalent element in the universe, producing it affordably and sustainably on Earth presents considerable challenges. Siva Yellamraju, co-founder and CEO of Fourier, recently spoke to TechCrunch about the ongoing obstacles in efficient hydrogen production and distribution.
Recent startups have focused on crafting modular electrolyzers that can be mass-produced and loaded into shipping containers. Fourier, however, aims to streamline this approach by designing units no larger than two standard server racks placed side by side. The company has garnered attention, securing $18.5 million in a Series A funding round led by General Catalyst and Paramark Ventures, with other investors including Airbus Ventures and GSBackers.
At the heart of Fourier’s innovative model is a system of multiple small electrolyzers—termed “blades”—within its production modules. These blades are supplied with water through a shared pump, while electricity is derived from modified power supplies normally used in data centres. “We reprogram them for electrolysis,” explained Yellamraju, highlighting the advantage of utilizing readily available components.
Fourier’s approach integrates sophisticated software to manage the operation of these blades, optimizing their efficiency akin to the strategy employed in lithium-ion batteries. Yellamraju noted Tesla’s methodology of using smaller battery cellsstringent into larger packs, monitored by a battery management system (BMS) for performance and degradation.
In a similar vein, Fourier’s system controls each electrolyzer blade’s performance, adjusting output and monitoring for any signs of failure. The ultimate aim is to convert the complexities of hydrogen production into a data-optimisation challenge, pushing efficiency to new heights.
Fourier has conducted two small-scale pilot projects that yield approximately one kilogram of hydrogen per hour, partnering with a pharmaceutical manufacturer and a solar energy firm. Now, the company is gearing up for two commercial-scale pilot plants, set to launch at a petrochemical plant in Ohio and an aircraft parts manufacturer in Fremont, California, both expected to be operational by June. Fourier is targeting clients requiring between six to twenty kilograms of hydrogen per hour, necessitating around 300 kilowatts to 1 megawatt of electrolyzer capacity.
Current market prices for hydrogen hover around $13 to $14 per kilogram for sectors such as pharmaceuticals, petrochemicals, and ceramics. However, Fourier aims to provide hydrogen at a competitive rate of $6 to $7 per kilogram, potentially cutting costs for clients by 50% before factoring in government subsidies.
As hydrogen continues to draw interest as a clean energy source, Fourier’s innovative technological advancements and strategic partnerships position the company to play a significant role in the market’s future, possibly reshaping how hydrogen is produced and distributed on a larger scale.
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