Thermal Energy Storage Startup Calectra Raises $1.6M Pre-seed
Calectra is developing a power-to-heat thermal storage technology to provide manufacturing industries with low-cost, high-temperature (up to 1600°C), emission-free process heat.
Thermal energy storage startup Antora raises US$150 million for
US$150 million has been raised in a Series B by Antora Energy, a US-based startup with a novel ''thermal battery'' technology claimed to be suitable for decarbonising industrial processes.
EarthEn Energy Launches Breakthrough Heat Battery at RE+ Storage
The EarthEn Heat Battery stores surplus renewable electricity and releases it as high-temperature steam or hot air (200°C to 500°C) on demand, with customizable 4–12 hour storage
Worldwide overview of high-temperature energy storage system
31 high-temperature energy storage system providers sorted by level of commercialization. The complete data of the company overview can be found in this PDF table.
Top 18 Thermal Energy Storage startups 2026
Hyme is maturing a grid-scale thermal energy storage solution based on molten salts to greatly improve the integration of sustainable energy in the energy system.
Top Companies in Thermal Energy Storage System (Jan, 2026
Developer of thermal energy storage solutions for industrial decarbonization applications. The company''s technology converts renewable electricity into high-temperature steam for process
What a massive thermal battery means for energy storage
Rondo Energy just turned on what it says is the world''s largest thermal battery, an energy storage system that can take in electricity and provide a consistent source of heat. The company...
Innovation trends on high-temperature thermal energy storage to
Today, different TES technologies and solutions are commercially available, close to market or under development. These can be divided into three main categories: sensible, latent, and
New Long Duration Energy Storage Kisses Fossil Fuels Goodbye
A new long duration energy storage system that deploys molten tin for heat transfer has received $20 million in Series A Plus funding.
5 Thermal Energy Storage Startups to Rise in 2025
The article explores the latest advancements from 5 startups working on thermal energy storage startups and their technologies.