Fourth Power
Highly Engaged Employees
Highly Engaged EmployeesElectricity, Oil & Gas · Massachusetts, United States · 1-10 Employees
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Overview
Headquarters
1 Broadway, Cambridge, Massachusetts, 02...Phone Number
(888) 491-2419Website
www.gofourth.comRevenue
<$5 MillionIndustry
ZI Rank: 3
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ZI Rank
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About Fourth Power
Fourth Power delivers utility-scale energy storage that grows with the grid to meet todays short-duration needs and tomorrows long-duration requirements. By combining thermal energy storage with thermophotovoltaic (TPV) cells, it turns the light emitted from heated carbon blocks into electricity that is dispatchable to the grid in seconds. The companys extremely high-temperature system (2400C) ensures maximum power density with abundant domestic materials, delivering energy storage at less than $25/kWh-eten times cheaper than lithium-ion batteries.Explore more
Fourth Power Org Chart
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Revenue
Number of Employees
Type
Funding
Founded In
Company Profile Activity
Activity Insights
Fourth Power is experiencing very low activity levels compared to other companies in the Energy, Utilities & Waste sector.
What does this means?
Fourth Power is drawing exceptional interest within the Energy, Utilities & Waste industry, suggesting notable developments or strong market momentum, learn more about Fourth Power.
Fourth Power financials insights
Gather financial insights about Fourth Power, including details on funding rounds, investors, total funding, and acquisitions, to gain a comprehensive understanding of their financial strategy.
2025
Series A
$39M
Fourth Power Tech Stack
A closer look at the technologies used by Fourth Power
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Most Recent Scoops
Open Position
Facilities Relocation / Expansion
Fourth Power is planning to move offices in June 2026. The move will impact approximately 15 employees at the existing office located at 1 Broadway, Cambridge, Cambridge, MA.
Facilities Relocation/Expansion
Hiring Plans
Fourth Power has more open roles in Engineering & Technical than it has had at any time in the past 12 months.
Hiring Plans
Funding
Funding
Person-Based
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Frequently Asked Questions Regarding Fourth Power
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Fourth Power delivers utility-scale energy storage that grows with the grid to meet todays short-duration needs and tomorrows long-duration requirements. By combining thermal energy storage with thermophotovoltaic (TPV) cells, it turns the light emitted from heated carbon blocks into electricity that is dispatchable to the grid in seconds. The comp... Read More
