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Founded in 2018 in Cambridge, Massachusetts, Malta, Inc. is a clean energy innovator that emerged from the "moonshot" projects at X, Alphabet’s research division. The company’s foundation reportedly stems from a theory by a Nobel Prize-winning physicist: that the most efficient path to decarbonization lies in integrating established technologies and supply chains rather than seeking entirely new principles.

Their core technology, Malta SEMS (Steam Energy Management and Storage), utilizes a transparent energy loop:

• Input: Captures variable renewable energy or industrial waste heat (>120°C).
• Charge: An ultra-high-temperature heat pump converts electricity into steam.
• Store: Thermal energy is stored in abundant, safe molten salt at 565°C, while cold is stored in liquid form.
• Output: The system regenerates electricity via turbines or provides high-temperature process heat (300–550°C) for heavy industries like steel and chemicals.

This approach is said to set itself apart by using common materials like salt, water, and steel instead of rare minerals. Furthermore, repurposing decommissioned coal plants by utilizing existing turbines and grid infrastructure represents a socially significant solution that protects local jobs while restoring the environment. Backed by globally renowned investment organizations, Malta provides a realistic and powerful option for halting environmental destruction. Great expectations are placed on the company's future endeavors.　（AS)

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Malta Inc. Delivering 300–550°C Process Heat

Chasing the Wind, Storing the Sun | The Moonshot Podcast

↑　Malta's discussions start in the Youtube above at 19:23.

Malta Inc. Raises $60.0M

Malta Inc. launches Spanish thermal energy storage pilot site - Energy Storage

“Our technology provides long-duration storage from 8 hours to 8 days”