Energy Startups

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 provides an AI-driven building automation and net-zero platform that optimizes HVAC air-side and water-side systems using live occupancy, comfort and indoor air quality data to reduce energy use in commercial buildings. It serves hotels, offices, factories, hospitals, retail and educational properties across Asia-Pacific.

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 sodium-ion battery cells built on conflict-free minerals as an alternative to lithium and lead-acid batteries. Its cells target automotive low-voltage, data centers, grid and residential storage, and defence applications, with a focus on European supply chains.

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

Alva builds hardware and software that integrates heat pumps, solar panels, batteries, and EV chargers to optimize energy usage and minimize costs by coordinating devices based on real-time electricity prices. The system serves residential homeowners in Europe with home energy management.

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

Alva develops solutions for delivering new nuclear power generation capacity on time and on budget, serving utilities and energy operators building utility-scale nuclear systems.

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

Amarenco is an independent producer of solar photovoltaic energy that develops and operates PV installations, including agrivoltaic greenhouses combining crop production with power generation. The company focuses on decarbonization with local projects across Europe and worldwide, targeting several gigawatts of installed capacity by 2050.

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

Operates services connecting Japanese cities and rural areas across food and energy, including Pocket Marché, an app for buying fresh seasonal produce, seafood, and meat directly from about 16,000 items sourced from farmers and fishers, and a hometown-tax (furusato nozei) service linking donors with producers. Also offers electricity from identifiable producers to build new relationships between urban and rural communities.

1 investor

AmerCable manufactures power, control, and instrumentation cables, including offshore and medium voltage cables, designed for harsh operating environments. It serves industrial and energy markets, with manufacturing at its El Dorado facility.

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 mines and supplies Gilsonite (uintaite), a naturally occurring hydrocarbon resin used as an additive in oilfield drilling fluids and cementing, asphalt, inks, paints, stains, construction materials, and foundry castings. It operates mines in Northeastern Utah and serves multiple industrial markets.

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 technology for the storage, transport, and use of ammonia, positioning it as a carbon-free hydrogen carrier for agriculture and clean energy applications such as shipping and heavy industry.

1 investor

Amina Charging builds AC electric-vehicle chargers (models C2 and M2) for home use, with hardware supporting ISO 15118-20, bidirectional charging (V2G) and Plug&Charge. The chargers use open-source software and native OCPP for integration by businesses without vendor lock-in, and are made for the EU market.

1 investor

AMI designs and manufactures gas analyzers for measuring gases such as oxygen, hydrogen sulfide, and moisture across industrial applications. It provides application-specific analyzer models along with technical support for selecting equipment.

1 investor

Amionx develops SafeCore, a battery safety technology that acts like a fuse inside lithium-ion cells to arrest thermal runaway caused by internal short, overcharge, impact, or heat, preventing fire or explosion. Spun out of American Lithium Energy in 2016, the company licenses the technology to battery manufacturers for applications including electric vehicles, power banks, and defense systems.

1 investor

Ampacimon provides dynamic line rating and grid monitoring technology for electricity grid operators, using sensors and big data to deliver ambient-adjusted ratings and manage grid capacity constraints. It also offers partial discharge (PD) monitoring and spot-testing solutions for aging power infrastructure.

1 investor

Amped Up Power Solutions provides mobile, electric power generation and distribution equipment—using on-pad natural gas (CNG) or on-site utility power—as a cleaner alternative to diesel machinery for drilling, completions, drill outs, and workover operations in the oil and gas industry. It also offers a cloud-based real-time monitoring system that tracks equipment usage and carbon emissions, serving energy operators across the United States.

1 investor

Amperage Capital develops advanced energy storage and microgrid technology to enable energy independence.

1 investor

Amperecloud develops Amperecloud Platform, a B2B vertical SaaS operating system for managing renewable energy assets including solar, wind, bioenergy, hydro plants and battery storage systems. It serves renewable energy asset operators with monitoring, maintenance, commercial management and virtual power plant functions, with a global reach and headquarters in Berlin.

1 investor