Fourth Power vs Malta Inc
Fourth Power
Energy Storage that Grows with the Grid
35 employees · est. 2021 · Cambridge, United States
Malta Inc
Transforming the Future of Energy Storage
480 employees · est. 2018 · Cambridge, United States
Malta Inc is the older company (2021 vs 2018); Malta Inc is the larger of the two.
Side-by-Side Comparison
| Metric | Fourth Power | Malta Inc |
|---|---|---|
| Founded | ||
| Founded | 2021 | 2018 older |
| Headquarters | ||
| Headquarters | Cambridge, United States | Cambridge, United States |
| Employees | ||
| Employees | 35 | 480 larger |
| Industry | ||
| Industry | Energy, Renewable Energy, Energy Storage | Energy, Renewable Energy |
| Funding Stage | ||
| Funding Stage | Series A | Not tracked yet |
| Total Funding | ||
| Total Funding | $19.00M | $86.00M |
| Funding Rounds | ||
| Funding Rounds | 1 | 5 |
| Services | ||
| Services | Thermal energy storage systems, Utility-scale energy solutions, Flexible grid-scale storage solutions | Utility-scale energy storage systems, Long-duration storage solutions, Steam-based heat pump technology, Integration with existing fossil assets, Dispatchable and cost-effective energy delivery |
| Target Customers | ||
| Target Customers | Utility companies, Energy infrastructure developers, Renewable energy sectors, Government energy agencies | Energy Utilities, Industrial Power Providers, Data Centers, Infrastructure Operators, Renewable Energy Companies |
| Taxonomy | ||
| Taxonomy | Thermal BatteryEnergy StorageGrid StorageThermal StorageUtility-Scale StorageLong-Duration Energy Storage +8 | Thermo-electric Energy StorageSteam Energy Management And Storage (SEMS)Heat Pump TechnologyMolten Salt StorageLong-duration Energy StorageGrid-scale Energy Solutions +7 |
| Website | ||
| Website | gofourth.com | maltainc.com |
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...
About Malta Inc
Malta Inc, founded in 2018, is setting transformative benchmarks in the Energy and Renewable Energy industries. Headquartered in the United States, the company is advancing how we store energy with its revolutionary thermo-electric energy storage system. Under the slogan, "Transforming the Future of...
Also comparing in this category
Comparing more than these two?
Get Fourth Power, Malta Inc and up to nine more competitors side by side in one PDF: team, funding, traffic and every dated move of the last six months. Every company is re-checked on the day you order.
How does Fourth Power compare?
A PDF of Fourth Power and up to 10 competitors you pick: team, funding, traffic and every dated move of the last 90 days. Each company is re-checked on the day you order, so it is current.
This takes a few seconds: we look beyond our own index too.
Rival Readout
Comparing competitors? We do this properly.
10 rivals, 90 days of dated moves in 7 business days: a ranked list of what matters, each with its source, ending in a 60-minute readout with your team.
Frequently Asked Questions
Compare Fourth Power with someone else
Start typing a company name or domain.
Compiled from the BounceWatch company index. We last looked at Fourth Power on 18 Aug 2025, and Malta Inc on 7 Apr 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.