Energy Startups

Sustaine helps businesses and institutions reduce energy costs and adopt renewables and efficiency measures, using software to compare projected savings across options like onsite/offsite solar, battery storage, cogeneration, demand management, and LED lighting. It then matches clients with qualified solution providers who compete via bids for fulfillment.

2 investors

SustVest is a full-stack solar energy provider in India that owns, finances, builds, and operates solar assets and battery storage while offering monitoring and maintenance across the solar lifecycle. It serves businesses through models such as OPEX power purchase and CAPEX ownership.

2 investors

Svea Solar provides home energy solutions including solar panels, batteries, heat pumps, and EV chargers for European households, managed through a single integrated smart platform. The company handles installation and ongoing optimization to help customers reduce energy bills and carbon footprint.

2 investors

Swap Energy builds a battery-swapping infrastructure for electric two-wheelers, allowing riders to exchange portable batteries at convenient stations to eliminate long charging times. The company designs sustainable energy generation, storage, and mobility solutions to support zero-emission urban transportation.

2 investors

Sweetch Energy develops osmotic power technology for renewable electricity generation. The company serves organizations and institutions seeking to lower their carbon footprint and secure energy independence through environmentally responsible systems.

2 investors

Swell Energy provides solar and battery energy storage systems to homeowners and businesses, offering financing and installation services to accelerate renewable energy adoption. The company focuses on making clean energy accessible through flexible payment options and smart grid management solutions.

2 investors

Sympheny provides software for multi-energy systems optimization, helping engineering firms, utilities, municipalities, and developers plan renewable energy transitions efficiently. The platform emerged from energy research at Empa and ETH Zürich and uses industrial-grade optimization algorithms to evaluate technology and capacity combinations.

2 investors

Synaptec develops sensor technology and solutions for the power sector. The company combines technical expertise in fundamental research and product development to address challenges in power system operations.

2 investors

Synbiote was a biomaterials discovery lab spun out of the University of New South Wales that researched naturally occurring, bio-based polymers to replace non-renewable materials in industrial applications. Its work produced Biota360, a biopolymer electrolyte for solid-state batteries, before the research cycle concluded in 2025.

2 investors

T1 Energy is an advanced energy manufacturing company based in Austin, Texas, focused on the energy transition. The company operates manufacturing facilities in Texas with a workforce of 1,200 employees.

2 investors

Talusag produces modular, containerized green ammonia systems for local production near the point of use, serving agriculture, mining, and maritime sectors. The company's technology stabilizes costs and supply certainty for essential raw materials using power, water, and air inputs.

2 investors

Tampnet operates the world's largest offshore high-capacity communication network in the North Sea and Gulf of Mexico, serving oil & gas, wind energy, maritime, and carrier sectors with telecommunications services. The company installs and operates offshore 4G/5G networks and fiber infrastructure to enable connectivity, digital transformation, and IoT on offshore installations and vessels.

2 investors

Tamturbo manufactures oil-free compressed air compressors using active magnetic bearing technology for industrial applications. The company serves manufacturing plants and industrial facilities seeking energy-efficient, environmentally friendly compressed air production with minimal maintenance.

2 investors

Tango operates a network of more than 190 fuel stations and EV charging points across the Netherlands, along with a mobile app for finding stations, discounted street parking, and car sharing. It serves drivers looking for fueling, fast charging, and related mobility services.

2 investors

Tap Electric is an e-mobility startup that provides a driver app enabling simple payments across a network of EV chargers via its own charge card, and a platform for charger owners to manage chargers and collect payments. Operating across the Netherlands, Belgium, Ireland, and the UK, the company aims to improve the charging experience for electric vehicle drivers.

2 investors

Tardid is a deep-tech company that builds physics-driven, model-based AI systems for decision intelligence and situational awareness across defense, maritime, transportation, and industrial domains. Founded in 2016, its offerings include AI platforms, autonomous ISR/survey systems, structural integrity assessment tools, and AI-optimized electric marine propulsion.

2 investors

Tavion develops and operates utility-scale battery energy storage systems (BESS) to provide grid flexibility and stabilize renewable generation, with its first projects in Poland and plans to scale across European markets. It serves the energy infrastructure and grid sector, targeting 3 GW of storage capacity within five years.

2 investors

TeaLev designs and manufactures electric vehicle equipment and technology, with operations based in Saskatchewan and targeting global markets.

2 investors

Technosylva develops AI-powered software to predict and model wildfire behavior and extreme weather events for electric utilities and fire agencies. The platform integrates climate, vegetation, and topography data to help organizations mitigate disaster risks across multiple geographies.

2 investors

Tectrax designs and builds electric amphibious boat systems that eliminate the need for trailers and tow vehicles, enabling rapid 30-second launches from virtually any location. The company serves recreational boaters and boat builders seeking to simplify water access and reduce launch friction.

2 investors

Telura develops a next-generation drilling technology that breaks rock using electrical/lightning-based methods to make deep geothermal energy cheaper and faster to access. The company aims to enable clean, always-on geothermal baseload power at scale.

2 investors

Tequs manufactures CO2-based heat pumps and chillers for heating and cooling applications, offering an environmentally sustainable alternative that reduces carbon emissions while providing economic savings to customers.

2 investors

Teragen Energy builds modular fuel cell systems for onsite power generation, offering fuel flexibility with optional energy storage and carbon capture. Its systems target AI data centers, manufacturing campuses, and utilities needing fast-deploying, responsive, and reliable clean power.

2 investors

Terminus Industrials is a U.S.-based advanced manufacturer that designs and produces large power transformers with shortened lead times through automated production, supply chain integration, and proprietary software. The company serves domestic utilities and grid infrastructure operators seeking to reduce dependencies on international transformer suppliers and address critical supply-chain vulnerabilities.

2 investors