About Fourth Power
Fourth Power is a company based in Cambridge (United States) founded in 2021 by Arvin Ganesan and Asegun Henry. Fourth Power has raised $39 million across 2 funding rounds from investors including Munich Re, DCVC and Breakthrough Energy. Fourth Power offers products and services including Thermal Battery, Modular Storage System, and TPV Power Sticks. Fourth Power operates in a competitive market with competitors including Rondo Energy, Antora, Terrajoule and Alumina Energy, among others.
- Headquarter Cambridge, United States
- Founders Arvin Ganesan, Asegun Henry
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Sectors
Energy & Utilities
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Phone
Locked
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Website
Locked
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Social
Locked
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Annual Revenue
Not available
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Net Profit
Not available
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EBITDA
Not available
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Total Equity Funding
$39 M (USD)
in 2 rounds
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Latest Funding Round
$20 M (USD), Series A
Sep 16, 2025
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Investors
Munich Re
& 3 more
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Employee Count
Not available
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Products & Services of Fourth Power
Fourth Power offers a comprehensive portfolio of products and services, including Thermal Battery, Modular Storage System, and TPV Power Sticks.
Stores renewable energy for grid stability and scalability.
Enables independent scaling of energy and power for grid needs.
Facilitates quick, flexible dispatch of stored energy.
People of Fourth Power
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Funding Insights of Fourth Power
Fourth Power has successfully raised a total of $39M across 2 strategic funding rounds. The most recent funding activity was a Series A round of $20 million completed in September 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
Investors in Fourth Power
Fourth Power has secured backing from 4 investors, including venture fund and institutional investors. Prominent investors backing the company include Munich Re, DCVC and Breakthrough Energy.
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Venture capital firm focused on multiple sectors
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Climate solutions are advanced via venture capital and startup acceleration.
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Diversity in venture capital is promoted by BVCC.
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Investor details for Fourth Power
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Investments & Acquisitions by Fourth Power
Investment portfolio details for Fourth Power
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Financial Statements - Fourth Power
Detailed financials for Fourth Power
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Fourth Power Comparisons
Peer comparison for Fourth Power
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Competitors of Fourth Power
Fourth Power operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Rondo Energy, Antora, Terrajoule and Alumina Energy, among others.
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Zero-emission heat solutions for industrial applications are provided.
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Manufacturer of thermal battery
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Distributed solar generation with integrated low-cost storage is developed.
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Packed bed thermal energy storage technology is developed for efficiency.
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Detailed competitors of Fourth Power
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Latest news on Fourth Power
Complete news archive for Fourth Power
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Frequently Asked Questions about Fourth Power
Fourth Power was founded in 2021 and raised its 1st funding round 2 years after it was founded.
Fourth Power is headquartered in Cambridge, United States. It is registered at Cambridge, Massachusetts, United States.
Arvin Ganesan is the current CEO of Fourth Power. They have also founded this company.
Fourth Power is a funded company, having raised a total of $39M across 2 funding rounds to date.
Fourth Power was founded in 2021 and is based in Cambridge, United States. Operations focus on the energy storage sector, where utility-scale thermal storage technology is utilized to integrate renewable energy sources into the grid. This approach enables on-demand availability of renewables, supporting grid stability and scalability. Services are directed toward utility applications in the clean energy industry.
Fourth Power's top competitors include Antora, Rondo Energy and Alumina Energy.
Fourth Power offers Thermal Battery, Modular Storage System, and TPV Power Sticks.
Fourth Power has 4 investors. Key investors include Munich Re, DCVC, Breakthrough Energy, and Black Venture Capital Consortium.