Energy Startups

AlsoEnergy provides edge-to-cloud monitoring, controls, and analytics software for managing and optimizing clean energy portfolios across utility, commercial and industrial, and aggregated residential solar, EV, and storage assets. Acquired by Stem in 2022, it serves energy stakeholders looking to scale and optimize renewable energy investments.

1 investor

AltaGas operates energy infrastructure across two business lines: a Midstream segment and regulated Utilities, providing integrated solutions and global market access to its customers.

1 investor

Alta Mar Energy is an upstream oil and gas company that makes non-operated investments in offshore exploration, development, and production projects in the Gulf of Mexico. It partners with offshore operators and is financed by institutional investors.

1 investor

Alterity designs and manufactures modular LFP battery systems for industrial applications including electric mobility and stationary energy storage. The company operates its own engineering and production facility in Euskadi (Spain), serving industrial customers across Europe.

1 investor

AltoTech builds an AI-driven building automation platform that optimizes HVAC systems in real buildings across Asia-Pacific, reducing energy consumption and carbon emissions while maintaining occupant comfort. The company serves hotels, offices, factories, hospitals, retail spaces, and educational facilities aiming to reach net-zero emissions.

1 investor

Altri is a corporate company focused on integrating sustainability into its corporate finance, using sustainable financing to invest in projects that improve environmental performance and support clean and renewable energy production. The page is an investor relations section rather than a product page.

1 investor

Altris develops Prussian White sodium-ion cathode-active materials for use in automotive, energy storage, and industrial applications across Europe. The company commercializes electrochemistry research from Uppsala University to establish a domestic European standard for sodium-ion batteries.

1 investor

Altus Thermal makes Cala, a heat pump water heater that adjusts water heating to a home's daily hot water usage and integrates with solar, batteries, and variable electricity pricing. The product heats water to higher temperatures with outlet mixing to increase hot water supply while reducing energy use.

1 investor

Alusín Solar designs, manufactures, and installs mounting structures and support systems for solar panels, covering both ground-mounted and rooftop installations including PVC and asphalt-membrane roofs that cannot be drilled. The company also offers custom fabrication and free technical consulting for photovoltaic projects.

1 investor

Alva Link is a smart home energy optimization device that connects heat pumps, EV chargers, batteries, and solar systems to reduce household energy costs by up to 30% through automated price- and weather-based control. The device is designed for European homeowners seeking to optimize energy usage and storage across multiple home energy systems.

1 investor

ALVA plans, operates, and optimizes energy upgrades for buildings, converting properties into modern energy hubs with solar and renewable energy installations. It serves property owners and tenants as a one-stop shop aimed at lowering costs, creating new revenue, and increasing property value, based in Germany.

1 investor

Amara NZero is an energy transition company that provides distribution, logistics and value-added services for renewable energy, decarbonization, electrification, and energy efficiency/digitalization projects. It serves large players in the energy sector across national and international projects, operating in 11 countries.

1 investor

Amber Kinetics designs flywheel-based kinetic energy storage systems for the electrical grid. Its flywheels provide multiple charge cycles without chemical degradation to support the shift from fossil fuels to renewable energy generation.

1 investor

1 investor

Ambrosia Energy builds, owns, and operates vertically integrated solar-plus-battery power plants that supply continuous off-grid power, selling electricity directly to customers such as data centers and industrial operations. The company operates a pilot project in West Texas and targets gigawatt-scale renewable power across the United States.

1 investor

AmerCable manufactures jacketed electrical power, control, and instrumentation cables for mining, oil and gas, and industrial applications in harsh environments. The company operates ISO 9001:2015-certified facilities in Arkansas and Texas.

1 investor

American Aerospace Technologies (AATI) builds high-endurance unmanned aircraft systems and airborne sensing solutions, including its AiRanger medium-altitude, long-endurance UAS, and flies beyond-visual-line-of-sight missions in the national airspace. It serves defense, homeland security, and critical infrastructure sectors with services such as pipeline patrol, sensor integration, and UAS policy development across North America and Western Europe.

1 investor

American Gilsonite Company operates in oil and gas extraction and energy production. The company serves operators and service companies in upstream operations.

1 investor

American Turbines builds compact, mass-manufacturable gas turbines designed for rapid deployment and parallel operation, forming clustered power generation that scales with demand. The modular units combine into larger systems to expand capacity without complex buildouts or long lead times.

1 investor

Amertat Energy designs and manufactures wind turbine solutions for renewable energy generation serving individuals, communities, and businesses. The company operates in the sustainable energy sector with a focus on making wind power accessible and reliable.

1 investor

AmHyTech develops ammonia-based technology solutions for storage, transportation, and usage to advance sustainable energy infrastructure. The company serves organizations seeking cleaner, more practical alternatives in the energy sector.

1 investor

Amina designs and manufactures EV chargers with open hardware architecture that integrates into various home and operator systems without vendor lock-in. The company serves residential and commercial EV charging users across Europe.

1 investor

Advanced Micro Instruments manufactures high-performance gas analyzers for industrial applications. The company provides specialized measurement equipment and preconditioning solutions for gas analysis across various industry sectors.

1 investor

SafeCore develops patented lithium-ion battery safety technology that prevents thermal runaway, fires, and explosions caused by overcharge, internal short circuits, or external heat. The solution is applicable across consumer electronics, electric vehicles, energy storage systems, and other high-energy-density battery applications.

1 investor