Acario is an innovation and investment company founded by Tokyo Gas, focusing on early-stage ventures in energy and sustainability sectors to accelerate advancements in decarbonization and digital transformation.
Key people at Acario.
Key people at Acario.
Acario Innovation is the corporate venture capital and open innovation arm of Tokyo Gas, founded in 2017 and based in Silicon Valley. Its mission is to fuel innovation and investment in startups focused on the new energy economy and sustainability sectors, including mobility, energy storage, carbon capture, electrification, and next-generation energy services. Acario aims to create open innovation and accelerate the digital transformation of the energy sector, supporting Tokyo Gas’s broader Compass 2030 strategy to decarbonize energy and heat industries. By partnering with market-leading companies and other investors, Acario helps startups scale their sustainable technologies, enter new markets, and achieve product-market fit, thereby impacting the startup ecosystem by fostering innovation in clean energy and sustainability[1][2][5].
Acario was established as a Silicon Valley-based subsidiary of Tokyo Gas to leverage the innovation ecosystem in the U.S. and globally. The name “Acario” derives from the Japanese word “Akari,” meaning “light,” symbolizing the company’s role in illuminating the next generation of energy solutions. The founding team includes CEO Kenji Maeda and other key partners who bring expertise in investment and energy innovation. Since its inception, Acario has evolved to focus on early-stage investments in sectors such as grid modernization (Grid 2.0), Industry 4.0, decarbonization technologies, and energy-as-a-service (EaaS). Its portfolio includes startups advancing AI-powered energy forecasting, carbon capture, and renewable fuels, reflecting pivotal moments where technology meets sustainability challenges[1][3][4].
Acario rides the global trend toward decarbonization and the transition to a sustainable energy economy. The timing is critical as governments and industries accelerate efforts to reduce carbon emissions and modernize energy infrastructure. Market forces such as increasing demand for renewable energy, digital transformation of utilities, and regulatory pressures favor Acario’s investment focus. By supporting startups that develop scalable clean energy technologies and services, Acario influences the broader ecosystem by bridging innovation with established energy players, fostering collaboration, and accelerating the adoption of sustainable solutions[1][2][4].
Looking ahead, Acario is poised to deepen its impact by expanding investments in emerging energy technologies and digital services that enhance grid reliability, customer engagement, and carbon reduction. Trends such as AI/ML integration in energy management, electrification of transport, and energy-as-a-service models will shape its portfolio strategy. As global energy markets evolve, Acario’s role as a strategic investor and innovation catalyst will likely grow, helping Tokyo Gas and its partners lead the energy transition while enabling startups to scale internationally. This continued focus on sustainability and technology innovation ties back to Acario’s founding vision of illuminating the future of energy[1][2][4].
| Date | Company | Round | Lead Investor(s) | Co-Investor(s) |
|---|---|---|---|---|
| Sep 1, 2025 | RockSolid Network | $3.0M Seed | — | Airtree Ventures, Cadenza Capital Management, Castle Island Ventures, Founder Collective, Initialized Capital, ShareBear Capital |
| Feb 1, 2025 | Human | $7.0M Seed | — | 7percent Ventures, Founder Collective, Initialized Capital, LombardStreet Ventures, ShareBear Capital, Shkuri Ventures, Arash Ferdowsi |
| Oct 1, 2022 | Jetti Resources | $100.0M Series D | — | KittyHawk Ventures |
| Mar 1, 2022 | Grown As | $530K Seed | — | — |
| Jun 1, 2021 | Liatris | $1.0M Seed | — | — |
| Jul 1, 2017 | Jetti Resources | $18.0M Series A | — | KittyHawk Ventures |
