Energy Startups

Accelerate (Accelerate Infrastructure Opportunities) provides capital and financial solutions to acquire real estate under critical infrastructure sites across digital, renewable, and transport segments. It works with landowners, brokers, developers, and operators to structure transactions and unlock value in their infrastructure real estate.

1 investor

Acceleware develops radio frequency (RF) electromagnetic heating technology for industrial applications, including amine regeneration for carbon capture, drying and heating of critical minerals, heap heating, and thermal enhanced heavy oil recovery. Its systems apply RF energy as a heat source across energy and mineral processing operations.

1 investor

Accurassi builds energy comparison and home-electrification analysis tools that model solar, batteries, VPPs and EV plans per household, delivered under partner brands via APIs, full managed experiences or agent-ready MCP interfaces. It serves energy retailers, comparison services, governments, distributors, meter providers and national brands in the Australian energy market.

1 investor

ACE Engineering designs and manufactures energy storage units and systems for industrial applications across multiple sectors. The company provides turnkey solutions spanning engineering, manufacturing, logistics, and post-project management.

1 investor

ACES Delta develops green hydrogen production, storage, and conversion infrastructure for renewable energy at utility and industrial scale. The company operates the Advanced Clean Energy Storage hub in Delta, Utah, a joint venture between Chevron and Mitsubishi Power Americas, enabling long-duration energy storage and hydrogen supply for the Western United States.

1 investor

ACOND designs and manufactures air-to-water heat pumps, including its Grandis, PRO, and Aconomis product lines, using R290 refrigerant and scroll or rotary compressors. Its systems serve residential heating, cooling, and domestic hot water needs for new builds and renovated homes, and it also recruits distribution partners in the heating sector.

1 investor

AcouBatt uses acoustic sensors and AI-powered signal classification, trained on a proprietary database of battery acoustic data, to non-invasively monitor battery cells in real time during formation, cycling and operation. It serves cell developers, manufacturers and operators, helping detect cell-level defects, anomalies and early warning signs of safety-critical events across a range of battery chemistries and formats.

1 investor

ACT-ion Battery Technologies develops single crystal cathode active materials (CAMs) for lithium-ion batteries using a continuous manufacturing process aimed at improving energy density, durability, and safety. The company targets the next-generation energy storage market and seeks to build a domestic U.S. battery materials supply chain.

1 investor

Actemium provides electrical, automation, and IT technical solutions to optimize industrial processes across manufacturing, energy, chemicals, and infrastructure sectors. The company serves diverse industries through tailored automation, process control, and digitalization services.

1 investor

Acteon provides engineering and offshore execution services for offshore wind developers and oil and gas operators, covering site investigation, construction, asset integrity management, and decommissioning of marine infrastructure. It combines digital insight and domain-specific engineering to support the full lifecycle of offshore energy assets in demanding marine environments worldwide.

1 investor

Active-Semi International develops power management semiconductor products, including battery management devices, DC/DC converters, intelligent motor controllers, and power application controllers for brushless DC and permanent magnet synchronous motors. The company, which makes power ICs for applications such as power and garden tools, is now part of Qorvo.

1 investor

Acumentrics manufactures rugged, mission-critical power solutions including uninterruptible power supplies (UPS), battery packs, and power distribution units designed to operate in extreme environmental conditions including combat zones and harsh climates. The company serves defense, communications, and electronic equipment operators requiring fault-tolerant power systems tested to military standards.

1 investor

Adaptic provides ICT solutions (radiolinks, fiber networks, switches and installation services), industrial SodiumNickel batteries, and monitoring solutions including site sensors and camera surveillance for utility and offshore companies. It serves clients in Norway and internationally, and owns Adaptic Technology, an energy optimization software provider for industrial and commercial buildings.

1 investor

ADB is an infrastructure solutions provider that builds and services utility and fiber-optic networks, offering engineering, electrical, wireless, and data center construction across the telecommunications and utility industries. It serves Internet Service Providers, carrier service providers, commercial enterprises, and government organizations nationwide in the United States.

1 investor

FLO (AddÉnergie) designs, manufactures, and operates electric vehicle charging stations and a charging network across North America, serving drivers, resellers, network operators, OEMs, and cities. Its offerings include the FLO Ultra fast charger and CoRe+ stations, along with planning, installation, and maintenance services.

1 investor

Add Energy has been integrated into two ABL Group companies: its Asset & Integrity Management division is now a service line within ABL, and its Drilling, Well Control, Safety & Risk Engineering work is now part of AGR. This page directs visitors to those successor companies rather than describing an active independent business.

1 investor

ADDvolt develops electrification power solutions for heavy-duty vehicles, aimed at decarbonizing road transport. The company operates in the transport electrification and cleantech sector.

1 investor

Adler & Allan is a UK environmental risk consultancy and engineering firm that helps businesses prevent pollution, manage water resources, enhance biodiversity, transition to clean energy, and adapt to climate change. It offers services including strategy and consultancy, asset and infrastructure management, environmental incident response, PFAS management, and energy transition support for regulatory compliance and ESG goals.

1 investor

Admiral Permian uses geotechnical analysis and drilling and completion technologies to develop oil-rich resource plays, acquiring, operating, and monetizing upstream and midstream assets in the Permian basin. It is an oil and gas exploration and production company focused on the U.S. Permian basin.

1 investor

ADNOC Gas is an integrated natural gas company operating onshore and offshore assets that supply around 60% of the UAE's natural gas needs and produce gas products including LNG. It processes, transmits and exports gas to customers in more than 20 countries, with a strategic focus on Asian growth markets.

1 investor

Advanced Infrastructure is a data science and software company whose LAEP+ platform provides geospatial datasets and planning tools across energy, buildings, heat, and transport to support deployment of low carbon technologies. It serves private companies, local authorities, distribution network operators, and consultants planning local energy transitions in the UK.

1 investor

Advanced Renewable Power (ARP) develops and manufactures Lithium-Ion battery modules, battery packs, and stationary and mobile power grid systems. Its products target utility-scale, transportation, and commercial and industrial energy applications.

1 investor

Advanced Energy Materials develops catalysts and adsorbents for petroleum refining, including hydrodesulfurization catalysts, catalytic adsorbents for ultra-deep desulfurization, desulfurizers for low-hydrogen applications, and fuel upgrading catalysts. Its products serve refinery operations in the oil and gas sector.

1 investor

Advanced Ionics develops Symbiotic electrolyzer technology that produces green hydrogen for industrial customers, operating in an intermediate temperature range and tapping into existing steam to reduce electricity needs. It targets industrial operations with exothermic reactions and hydrogen requirements, aiming to lower the cost of green hydrogen production.

1 investor