Fourth Power logo — Energy Storage that Grows with the Grid

Fourth Power

Energy Storage that Grows with the Grid

Founded 2021 United States Cambridge, United States 35 employees Series A Total: $19.00M Energy, Renewable Energy +1

General Information

Company Name Fourth Power
Founded Year 2021
Location United States Cambridge, United States +1
Employees 35
Industries Energy, Renewable Energy, Energy Storage
Funding Stage Series A
Social

Get notified when Fourth Power moves

Funding, new markets, leadership changes, hiring surges — one e-mail, only when something happens.

Free · no account needed

About Fourth Power

Fourth Power is making significant strides in the energy sector with its innovative thermal battery technology. Founded in 2021 and headquartered in the United States, the company focuses on transforming renewable energy into an on-demand source via utility-scale thermal storage. These technological advancements can capture wasted wind and solar production, making renewable energy as cost-effective as fossil fuels.

The company's modular battery systems offer flexibility in storage capacity, ranging from 5 to 10 hours, and can expand to meet demands up to 100 hours. This adaptability allows Fourth Power to align with grid needs, providing both short- and long-duration energy storage (LDES), making it an attractive candidate for investors looking to back sustainable energy solutions.

The recent $19.00M Series A investment from renowned investors such as DCVC, Breakthrough Energy Ventures, and the Black Venture Capital Consortium underscores the growing confidence in Fourth Power's potential to lead in renewable energy storage. Their slogan, "Energy Storage that Grows with the Grid," encapsulates their mission to innovate within the energy landscape, promising cost savings for consumers and a move towards a cleaner energy future.

Taxonomy: Thermal Battery, Energy Storage, Grid Storage, Thermal Storage, Utility-Scale Storage, Long-Duration Energy Storage, Industrial Heat, Clean Energy, Modular Battery, On-Demand Energy, Cost-Competitive, Wind Energy, Solar Energy, Fossil Fuel Alternative

Services & Products

Thermal energy storage systems
Utility-scale energy solutions
Flexible grid-scale storage solutions

Target Customers

Utility companies Energy infrastructure developers Renewable energy sectors Government energy agencies

Funding Rounds & Investors (1)

View All
Funding Stage Amount Investors Lead Investors Date
Series A •••••• 3
Investor Investor Investor
12 Dec 2023

Fourth Power Alternatives & Competitors

View All Alternatives
Fourth Power vs
Wayside Energy
Wayside Energy United States

Wayside wants to leave the world more resilient and more exciting than when we found it.

Pre Seed
2 employees
Data Analytics, Energy
Fourth Power vs
MGA Thermal
MGA Thermal Australia

Making 24/7 renewables a reality through thermal energy storage.

Grant
36 employees
ESG, Energy
Fourth Power vs
Terra One
Terra One Germany

AI-controlled battery storage for a resilient, independent Europe.

Seed
58 employees

FAQ About Fourth Power

Energy Storage that Grows with the Grid
Fourth Power was founded in 2021.
Fourth Power is headquartered in Cambridge, United States.
Fourth Power operates in the following industries: Energy, Renewable Energy, Energy Storage.
Fourth Power has approximately 35 employees.
Fourth Power has completed 1 funding round, raising a total of $19.00M. The latest funding stage is Series A.
Fourth Power offers: Thermal energy storage systems, Utility-scale energy solutions, Flexible grid-scale storage solutions.
Top alternatives and competitors to Fourth Power include Wayside Energy, MGA Thermal, Terra One, NEC Energy Solutions, Albion Technologies. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Fourth Power and Wayside Energy are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Don't just browse. Track.

Signal Tracker monitors Fourth Power and millions of companies for funding rounds, hiring surges, product changes, and 40+ signal types — so you never miss an opportunity.

One analytics cookie (Google Analytics). Cookie Policy