Energy Startups

DynaIndustrial is an integrated engineering and manufacturing company that supplies custom industrial equipment, manufactured components, and heavy industrial equipment repair services. It provides custom design/build and turnkey solutions for clients in steel mills, pipe mills, mining, and oil and gas industries.

1 investor

Dynami develops a patented electrode production platform that creates lithium-ion transport pathways in battery electrodes, enabling faster charging and higher capacity while using fewer active materials. Its chemistry-agnostic technology is compatible with existing and future battery cells, including liquid, polymer electrolyte, and solid-state batteries.

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Dynelectro is a Danish OEM that builds MW-scale reversible solid oxide electrolyser (SOEC) systems for hydrogen production, energy storage, and power generation. Its modular electrolysers (250 kW to 20 MW) support dynamic, load-following operation for industrial decarbonisation and Power-to-X applications.

1 investor

E-battery Systems develops and operates safety-critical energy systems including high-voltage batteries, power electronics, and energy storage infrastructure for defense, industrial, medical technology, and energy sectors. The company operates through three integrated divisions: engineering (embedded electronics and software), battery and electronics systems, and energy and service systems.

1 investor

E&E News is a journalism outlet providing original reporting on energy and environmental policy, regulation, and innovation for professionals. The publication covers topics including climate policy, electric utilities, renewables, federal agencies, and corporate sustainability.

1 investor

e2Companies provides Virtual Utility, combining on-site power generation and battery storage hardware (the R3Di system) with AI-powered software and Grove365 monitoring to deliver reliable, cost-effective power. It serves mid-sized to large organizations using at least 1 megawatt of power that require continuous, uninterruptible energy for critical operations.

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EAG Bioenergy operates and develops bioenergy assets—including biogas, biomethane, and biofertilizer projects—across the UK and Ireland. The company acquires, builds, and manages a renewable energy portfolio aimed at supporting decarbonisation and resource security.

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Eagle Filters Group develops advanced fiber-based filtration materials and products used to improve air filtration efficiency and cut energy use for the energy and process industries, HVAC and industrial filter manufacturers, and healthcare settings such as hospitals. Its solutions target gas turbines, gas engines, compressors, and building air quality.

1 investor

EarthEn develops thermo-mechanical, long-duration energy storage systems that use CO₂ in a closed-loop process to store between 4 and 100+ hours of energy for grid and renewable energy applications. Its "Pods" are designed as a scalable, safe alternative to traditional batteries for supporting 24/7 renewable power.

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EarthSync builds the ES Suite, an AI-agent platform for planning, procuring, and operating clean energy projects using sub-hourly market simulation with built-in tariff, settlement, and regulatory rules. It serves IPPs and commercial and industrial energy consumers, with a modeling engine built around India's fifteen-minute power market settlement across day-ahead, green, and real-time exchanges.

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EarthView develops BluBird, a continuous emissions monitoring system that detects, locates, and quantifies gas leaks in real time. The product targets industrial energy operations seeking to reduce emissions and meet sustainability goals.

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Eastcastle Infrastructure builds and operates build-to-suit telecom towers and related infrastructure for mobile network operators, serving markets in the Democratic Republic of Congo and Nigeria. The company also acquires and manages existing tower portfolios across African countries.

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Austere Environmental builds remediation machinery that separates liquids from solids to recover petroleum, water, and reusable minerals from oil and gas drill cuttings and contaminated soil, returning clean soil to the environment. It serves upstream oil and gas operators and other heavy industries with applications in decontamination, dewatering, and mineral processing.

1 investor

Eavor is a geothermal energy company developing a closed-loop system (Eavor-Loop) that circulates a proprietary working fluid underground to produce baseload or dispatchable heating, cooling, and electricity. It aims to make geothermal energy scalable globally, with a full-scale demonstration facility near Rocky Mountain House, Alberta.

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EC Energy Technologies is a company associated with a product called Certia. The available page content does not describe what the company builds, who it serves, or its industry.

1 investor

Echogen develops supercritical carbon dioxide (sCO₂) energy systems, including power conversion for advanced nuclear reactors, pumped thermal energy storage, industrial heat pumps, and waste heat recovery. Its hardware targets reactor developers, industrial facilities, and grid operators seeking long-duration storage and decarbonized heat and power.

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ECL builds and operates modular, hydrogen-powered "Flex-Grid" data centers offered as a Data-Center-as-a-Service, using on-site hydrogen fuel cell generation to run with zero water use and minimal to zero emissions. Its ECL Block modular design lets customers order disaggregated, built-to-order capacity one megawatt at a time with configurable rack power, cooling, and redundancy.

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ECO STOR builds standardized battery energy storage containers by integrating and repurposing customers' batteries, including second-life batteries, into its own container design with software control and physical racking. It handles testing, approval, and commissioning of the first system in Norway before shipping subsequent completed containers directly to installation sites.

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Ecodetect uses AI to analyze underwater video footage from marine infrastructure projects—such as tidal energy, offshore wind, floating solar, and oil rigs—turning raw footage into compliance-ready reports on marine life. It offers end-to-end monitoring services including consulting, equipment procurement, installation, maintenance, and automated analytics for offshore developers.

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EcoMendix Innovation and Trading Ltd. provides engineering and consulting services in renewable energy (solar, wind, hydrogen, hybrid systems), process engineering for energy, oil & gas and petrochemical industries, building energy efficiency, and AI-driven robotics for precision agriculture and industrial automation. It offers EPC (engineering, procurement, construction) services across renewable energy, process industries, manufacturing, and building efficiency sectors.

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Ecoppia builds autonomous, AI and data-driven robots that clean solar panels, operating nightly at solar installations worldwide. Its technology provides cleaning of solar modules for solar energy operators.

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EcoPro is a South Korean materials and battery company that develops battery materials and cathode materials for electric vehicles and energy storage. The company operates through multiple subsidiaries focused on nickel refining, battery material production, and technology innovation.

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EcoSafi provides clean-burning biomass pellet fuel and free-leased cooking stoves for households and commercial customers, offering a lower-cost, lower-emission alternative to charcoal and LPG. It operates in East Africa, pricing fuel in Kenyan Shillings and Ugandan Shillings.

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