M

Malta

Provides rotational inertia via grid-scale storage

Overview

Malta Inc. provides grid-scale energy storage to turn variable renewable resources into reliable on-demand power. Its system stores energy and adds rotational inertia to the electricity grid, delivering up to 100 MW of capacity as needed. The technology uses readily available components and is designed to be terrain-independent, so it can be scaled to different locations. This makes it suitable for utilities and government projects seeking stable, cost-competitive storage to support a low-carbon energy mix. Malta differentiates itself through scalable, land-agnostic storage that also adds grid inertia, backed by partnerships with the German government and the DLR national laboratory to support a shift away from natural gas. The company aims to help the energy system move toward renewable sources by providing dependable storage solutions and collaborating with public partners to fund and deploy them.

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About Malta

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Industries

Industrial & ManufacturingGovernment & Public SectorEnergy

Company Size

501-1,000

Company Stage

Series B

Total Funding

$86M

Headquarters

Cambridge, MA

Founded

2018

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Funding

Total Funding

$86M

Meets

Industry Average

Funded Over

3 Rounds

Series B funding is typically for startups that have proven their business model and need more funding to expand rapidly—often by entering new markets or adding more products. Investors are usually venture capital firms that specialize in later-stage investments.
Series B Funding Comparison
Below Average

Industry standards

$35M
$30M
$45M
$65M
$100M

Growth & Insights and Company News

6 month growth

0%

1 year growth

-1%

2 year growth

-1%
Financial Post
Sep 14th, 2026
Malta Inc. secures strategic investment from Kobe Steel to advance industrial decarbonisation technology

Malta Inc., a cleantech company originally from X (formerly Google X), has announced a strategic alliance and investment with Kobe Steel. The partnership aims to strengthen industrial competitiveness and advance decarbonisation efforts. Malta develops advanced heat pumps and steam energy management and storage solutions based on its proprietary thermodynamic technology. The company's investor base includes Kobe Steel, Cox Energy, Breakthrough Energy Ventures, X (Alphabet), Siemens Energy Ventures, Alfa Laval, Proman, and Chevron Technology Ventures. The alliance with Kobe Steel marks a significant step in Malta's expansion of its cleantech solutions for industrial applications.

Intelligence360 News
Jan 29th, 2026
Malta raises $24M in new funding through exempt securities offering

Malta has filed a notice with the US Securities and Exchange Commission for an exempt offering of securities, seeking to raise $23,991,500 in new funding. Federal securities law requires companies that have sold securities to file such notices with the SEC.

Yahoo Finance
Jun 27th, 2024
Malta Inc and BBVA link for long-duration energy storage in Iberia

Malta Inc said that the primary objective is to develop a discharge power offtake power purchase agreement that supports the introduction of its energy storage technology.

Business Wire
Nov 30th, 2023
Malta Closes Funding to Deploy Its Long-Duration Energy Storage System

Malta Inc., a leader in long-duration energy storage, today announced that it has closed on a round of financing provided by a group of investors incl

EnergyMagz
Nov 7th, 2023
Malta Inc Receives EUR 9 Million Grant to Assess Long-Duration Energy Storage in Germany

Malta Inc receives EUR 9 million grant to assess long-duration energy storage in Germany.

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