Fourth Power Alternatives & Competitors

12 companies similar to Fourth Power — Energy Storage that Grows with the Grid

TerraStor

Grid-scale Energy Storage for a Carbon-Free Future

2 Seed

Fort Worth, United States

Energy Energy Storage

Ampacimon

Ampacimon is a global leader in grid monitoring solutions to optimize T&D assets.

76 Series C $14.00M

Belgium

Energy Renewable Energy

eSmart Systems

Grid Vision® built by eSmart Systems is transforming the way utilities inspect and maintai...

116 Series Unknown $324.00M

Halden, Norway

AI Analytics +3

RFC Power

Developing the next generation of grid scale energy storage solutions.

9 Unknown $130.00K

London, United Kingdom

Energy Energy Storage

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Opinum

Creating a positive environmental impact thanks to data management technology

15 Acquired $3.38M

Belgium

N-Smart

Intelligence of Everything

13 Pre Seed $1.90M

Reston, United States

AI Energy +1

IONATE

Deep tech innovation for grid-scale power flow control.

42 Series A $20.30M

London, United Kingdom

Energy Hardware

Qnetic

Building high-performance grid-scale energy storage technology that enables the transition...

15 Seed $2.03M

New York, United States

Energy Storage

PONTON GmbH

PLATFORMS FOR ENERGY I ENERGY FOR PLATFORMS

Hamburg, Germany

Blockchain Energy

SweetSense Inc.

SweetSense Inc. develops and deploys technologies to manage water and energy services in r...

3 Series A $9.90M

Boulder, United States

ESG Energy +2

TSKB | Türkiye Sınai Kalkınma Bankası

TSKB uzmanlarından kapsayıcı ve sürdürülebilir kalkınmada ufuk açan incelemeler TSKB Blog'...

596 Post Ipo Debt $333.50M

Istanbul, Turkey

Finance Financial Services +1

CorPower Ocean

Wave Power. To Power the planet.

107 Unknown $111.50M

Sweden

About Fourth Power

Energy Storage that Grows with the Grid

Services

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

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

Business Model

B2B, B2G

Revenue Model

Project Based, Tiered Pricing, Usage Based

Frequently Asked Questions

Top alternatives to Fourth Power include TerraStor, Ampacimon, eSmart Systems, RFC Power, Opinum. These companies serve similar markets and are frequently compared.

Bounce Watch tracks 12 companies similar to Fourth Power based on industry overlap, target customers, and business model.

Energy Storage that Grows with the Grid

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Fourth Power Profile TerraStor Alternatives Ampacimon Alternatives eSmart Systems Alternatives All Companies All Signals Trend Reports

Compiled from the BounceWatch company index. We last looked at Fourth Power on 18 Aug 2025. The 12 companies listed here were last checked between 26 Jun 2025 and 14 May 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.