Energy Startups

Thermal Fusion (TF Energy) develops magnetic mirror fusion technology that confines plasma between two superconducting magnets and rotates it to supersonic velocities to stabilize, heat, and confine the plasma for fusion energy.

2 investors

Tesseract Energy is a residential energy supplier that lets customers sign up online and switch from their previous supplier. It offers EV charger integration and installation, smart home device management with rewards, solar and battery export tracking, home-move energy transfers, and multi-property account management.

2 investors

TESVOLT builds battery storage systems for commercial, industrial, municipal utility and agricultural customers, combining hardware, energy management software and digital services into integrated energy storage solutions. The company also offers flexibility marketing, energy trading, and full-service planning and construction of battery parks, with a stated focus on the German market for commercial storage from 30 kWh to 2 MWh.

2 investors

The Nuclear Company provides a digital infrastructure platform that integrates the nuclear deployment chain, from construction through operations and security. It serves utilities and nuclear developers seeking standardized processes and data management for nuclear fleet development and operation.

2 investors

theion develops lithium-sulfur battery technology for clean energy applications. The company is building advanced cell design and manufacturing capabilities with backing from strategic investors in the cleantech sector.

2 investors

TheStorage develops thermal energy storage systems that enable industrial facilities to shift from fossil fuel-based heat production to renewable energy sources. The company applies steam and heat transfer expertise to create scalable decarbonization solutions for industrial heat applications.

2 investors

THEVA manufactures high-temperature superconductor wire and related components for industrial, power transmission, and renewable energy applications. The company serves manufacturers of cables, power electronics, drives, and power systems globally with materials designed for lossless electricity transmission.

2 investors

Thiozen, an MIT spinout, produces hydrogen from sour gas waste streams using a low-emission method aimed at the energy industry. The company serves energy sector partners seeking affordable clean hydrogen for decarbonization and energy security.

2 investors

Thorizon develops small modular reactors using molten salt technology to generate clean industrial heat and electricity for large industrial sites and data centers. The company aims to deliver cost-effective nuclear energy at €60/MWh with deployment beginning in the early 2030s.

2 investors

Tigo Energy makes module-level power electronics (MLPE) for solar installations, including optimizers, inverters, and residential energy storage systems, sold to solar professionals in over 100 countries. Its products cover hardware, monitoring software, and installer training tools.

2 investors

Tilt Energy provides a software platform that automatically orchestrates and optimizes energy consumption across buildings and facilities, without impacting occupant comfort or requiring capital investment. The platform enables demand response and energy flexibility management for commercial real estate, tertiary sector clients, and facility operators.

2 investors

Titan is an energy storage technology company developing R&D-driven solutions aimed at changing patterns of energy storage and use. Founded in the style of a Cambridge, Mass. startup, the company works on alternatives to carbon-fueled energy systems.

2 investors

TRC partners with communities and project teams to help them adapt to challenges and achieve positive change. The company positions itself as a trusted advisor for navigating evolving environments.

2 investors

Trellis Air develops technology aimed at drying air using less energy. The page is a pre-launch teaser with minimal detail about the product.

2 investors

Allen Steam Turbines is a legacy brand of Trillium Flow Technologies that provides maintenance, repair, and custom engineering of steam turbines for industrial and defense applications across Europe. The company serves government and private sector customers including the UK's Ministry of Defense and Royal Navy.

2 investors

Trovio builds enterprise-grade technology platforms for digital assets, environmental and commodity markets, and financial services sectors. The company focuses on delivering scalable and interoperable infrastructure solutions across complex regulatory environments.

2 investors

Supplier of industrial and medical gases along with related equipment, offering design, servicing, and delivery via its own transport and mobile gas units. Serves industrial enterprises and medical facilities in Kazan and the Republic of Tatarstan, Russia.

2 investors

Turbulent develops small-scale hydroelectric technologies to generate clean electricity for remote locations lacking grid access. The company serves communities and organizations in developing regions worldwide seeking decentralized renewable energy solutions.

2 investors

TWMA designs, manufactures, and installs equipment and solutions for the safe transfer, storage, and processing of drilling waste and associated materials from offshore and onshore oil and gas operations. The company serves international oil and gas operators across multiple regions, helping them meet regulatory compliance while reducing costs and environmental impact.

2 investors

TyFast develops high-performance battery technology for heavy-duty vehicles.

2 investors

Ubiquitous Energy develops UE Power, a transparent solar coating that harvests invisible ultraviolet and infrared light while allowing visible light to pass through, enabling electricity generation from windows and everyday surfaces. The coating is made from light-absorbing dyes derived from non-toxic, earth-abundant materials and is intended for integration into commercial and residential building windows without altering their appearance.

2 investors

United Catalyst Technologies manufactures catalysts and adsorbents for enterprises in petrochemistry, petroleum refining, and syngas synthesis. The company provides engineering services for modernization and optimization of existing production facilities, and designs and licenses industrial processes and equipment.

2 investors

UPDATER is a Japanese company building "proof infrastructure" that measures and records tamper-proof data on how electricity, goods, and environmental impact are produced, verifying provenance and authenticity. Starting in 2011 with renewable electricity traceability, it consolidates this verification into a single proof ledger and serves businesses and consumers seeking to authenticate the origin of products and energy.

2 investors

Uranium Digital is building an institutional-grade trading platform for physical uranium, offering 24/7 spot trading with physical settlement and on-chain proof-of-reserves backing holdings 1:1. The platform targets institutional participants in the uranium commodities market.

2 investors