Listen to this articleClaros, a power management platform tackling AI driven grid strain, has raised $30 million in a seed round co-led by General Catalyst and Red Cell Partners, bringing its total funding to nearly $40 million to accelerate prototyping, manufacturing, and commercialization of its “chip to grid” technologies.
What is Claros?
Claros is a power management platform company that develops innovative hardware and software solutions, such as Integrated Voltage Regulators (IVRs) and Power Gateways, to optimize energy delivery from the grid to the chip in data centers, reducing waste, enhancing efficiency, boosting AI compute performance, and enabling sustainable high performance computing amid surging AI driven power demands.
Claros has closed a $30 million seed funding round, co-led by General Catalyst and Red Cell Partners, with participation from Systemiq Capital, Aero X Ventures, Trenches Capital, and additional investors. This round builds directly on the company’s initial $9.75 million raise in February 2025 and supports rapid scaling of its “chip to grid” power management platform.
The funding will fuel expansion of Claros’ Los Angeles lab, team growth (already up 26 members since stealth exit), continued prototyping of its core technologies, and the launch of first manufacturing runs. These steps target the escalating power demands of AI workloads that strain U.S. and global electrical grids, enabling data centers to cut energy waste, lower costs, boost compute performance, and integrate diverse sources like renewables more seamlessly.
Claros’ platform centers on two breakthrough components: the Integrated Voltage Regulator (IVR), which delivers power straight to processing units to eliminate heat conversion losses and enable scalable mesh architectures (from single 40 amp modules to clusters exceeding 40,000 amps), and the Power Gateway, a DC-native distributor that slashes AC to DC conversion inefficiencies while allowing flexible routing from multiple inputs to a single output. Prototyping has advanced quickly, three IVR designs fabricated and under testing in the LA lab (with the fourth due this spring), a Power Gateway demonstration unit assembled, and initial results validating the architecture against internal models. The second IVR iteration (A1) is now on the test bench, paving the way for customer specific refinements.
CEO and co-founder Daniel Kultran emphasized the urgency: “We can’t ignore the immense energy demands that come with AI workloads and the strain they place on electrical grids throughout the United States and around the world. To address these concerns, we must reinvent the entire power system with meaningful solutions that minimize energy waste so data centers can unlock greater efficiency and productivity. At Claros, we are committed to responsible power delivery, from the chip all the way to the meter.” In just 13 months since launch, the team has demonstrated measurable efficiency gains across the power stack, starting with the IVR as the entry point for end to end sourcing, storage, and usage optimization.
Investors highlighted the team’s proven expertise and timely positioning. Paul Kwan, managing director at General Catalyst, noted: “The power infrastructure supporting AI is one of the most significant investment opportunities of our time. Solving it requires rethinking the entire energy stack and a team with unique experience and technical depth to transform power management. In just 13 months, Daniel Kultran and the Claros team have made tremendous progress in modernizing power delivery from the chip to the grid.” Irena Spazzapan, managing partner at Systemiq Capital, added: “Better power delivery at the chip level is essential to unlocking the next generation of data center performance. What stood out to us was Dan and the team’s track record in power electronics and their vision for the full power architecture, from chip to grid, making Claros exactly the kind of frontier company we are proud to back.”
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Kultran previously served as CTO at Epirus, and co-founder Grant Verstandig launched Red Cell Partners. The company applies phase-array energy expertise to AI infrastructure bottlenecks. With headquarters in McLean, Virginia (a data center hotspot) and operations in Los Angeles, Claros is manufacturing prototypes via partners like GlobalFoundries and targeting chip makers, operators, and builders. The round accelerates commercialization amid hyperscaler and enterprise AI expansion, directly addressing grid strain, decarbonization challenges, and rising operational costs through DC native designs that support higher density and multi source flexibility.
This capital infusion underscores sustained momentum: repeat leadership from General Catalyst and Red Cell Partners signals confidence in the validated prototypes and scalable architecture. By bridging the infrastructure gap created by AI’s rapid design cycles, Claros stands to deliver immediate productivity lifts and long term sustainability gains for the data center sector, positioning the company as a key enabler of efficient, resilient American AI infrastructure.
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