What is Ioxus?
Founded in 2006 and headquartered in Oneonta, New York, Ioxus specializes in the engineering and manufacturing of advanced ultracapacitor technology. The company serves a critical role in the global energy transition, providing high-power density storage solutions that cater to the rigorous demands of the transportation, alternative energy, medical, and industrial markets. By focusing on rapid charge and discharge capabilities, Ioxus addresses the efficiency gaps inherent in traditional battery systems, positioning itself as a vital component in the modernization of smart grid infrastructure and electric mobility platforms.
How much funding has Ioxus raised?
Ioxus has raised a total of $48.3M across 6 funding rounds:
Series A
$3M
Unspecified
$1.7M
Unspecified
$200K
Series B
$20.8M
Series C
$21M
Debt
$1.6M
Series A (2008): $3M, investors not publicly disclosed
Unspecified (2008): $1.7M led by NYSERDA
Unspecified (2009): $200K supported by NYSERDA
Series B (2012): $20.8M featuring Northwater Capital, Aster Capital, Energy Technology Ventures, and Braemar Energy Ventures
Series C (2014): $21M backed by Aster Capital, Energy Technology Ventures, The International Finance Corporation, Braemar Energy Ventures, The Westly Group, and Northwater Capital Management
Debt (2016): $1.6M, investors not publicly disclosed
Key Investors in Ioxus
Aster Capital
Aster is a venture capital firm that acts as a growth accelerator for startups, focusing on energy, smart industries, and mobility sectors with a global presence.
Energy Technology Ventures
A collaborative investment firm formed by GE, NRG Energy, and ConocoPhillips to support the development of innovative energy technologies and renewable power generation.
Braemar Energy Ventures
Braemar Energy Ventures is a specialized investment firm focused on driving the energy transition through backing innovative companies in the EV charging and industrial energy management sectors.
What's next for Ioxus?
As Ioxus moves beyond its established development phase, the focus shifts toward commercial expansion and the integration of its ultracapacitor modules into large-scale industrial applications. The strategic capital secured through its history of financing rounds provides the necessary runway to enhance manufacturing throughput and accelerate research into next-generation energy storage materials. Future growth will likely be defined by the company's ability to leverage its existing partnerships with energy-focused venture firms to penetrate emerging markets in renewable power generation and high-efficiency industrial automation, ensuring long-term viability in a competitive energy technology landscape.
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