Energy Startups

nFluids designs and manufactures functional nanoparticles using a bottom-up approach, producing additives and lubricants primarily for oil- and water-based drilling fluids in the oil and gas industry. Its products aim to reduce torque, drag, and lubrication costs, with additional applications explored in areas such as enhanced oil recovery, cementing, corrosion, composites, and agriculture.

1 investor

NG Advantage delivers compressed natural gas (CNG) via a fleet of carbon fiber tube trailers to customers without direct pipeline access or facing supply constraints. It serves manufacturers, institutions, utilities, and data centers, primarily in the Northeast US, offering mobile natural gas pipeline solutions as an alternative to oil-based legacy fuels.

1 investor

Nimble Energy offers an AI-driven platform that automates utility data entry, validation, and analysis, and provides predictive analytics and automated reporting to help organizations identify energy savings and plan for the energy transition. It serves cities and organizations managing building and energy operations, including handling EVs, solar, and distributed energy resources.

1 investor

Nimbus Engineering is a hardware company and online retailer developing energy transfer technology, including its patented Power Relay, a portable power outlet for home, office, and outdoor use. It also aims to apply its energy technology to power heavy-duty automated machinery and consumer electronics.

1 investor

Nimbus Power Systems designs and builds PEM hydrogen fuel cell engines for heavy-duty vehicle applications, positioned as an alternative to diesel engines. It targets the heavy-duty transportation and power generation market.

1 investor

Nimlas is a Nordic technical installation company that upgrades and modernizes building systems for electricity, water, heating, ventilation, and safety. The company operates a decentralized model combining local entrepreneurship with group-level support and procurement, serving the construction and building modernization sector across multiple European markets.

1 investor

Nissin Kiko provides industrial waterjet cleaning and maintenance services for automotive production lines, power and petrochemical plants, public infrastructure (bridges, tunnels, dams), and steel and paper facilities. It also designs, manufactures, and installs vehicle display systems and multi-level mechanical parking systems, serving industrial and commercial clients in Japan.

1 investor

NiveauUp develops battery technology that enables faster charging and longer cycle life while maintaining energy density, with a manufacturing platform designed to scale mass battery production. The company serves electrification product makers requiring advanced energy storage solutions.

1 investor

NLine Energy makes the SteamLine Turbine, which generates electricity from excess steam pressure that industrial facilities otherwise waste, reducing operating costs and emissions. The company offers the equipment through a power purchase agreement or ITC-backed capital purchase, targeting facilities with steam plant operations.

1 investor

NewMantle develops AI and physics-based software tools for subsurface characterization to support geothermal energy development. The company targets energy companies and aims to accelerate the deployment of next-generation geothermal power as a renewable, carbon-free energy source.

1 investor

Nobify develops AI-based technology to prevent bird-related damage to aquaculture farms and renewable energy installations. The company aims to protect industry assets while preserving ecological balance.

1 investor

nobile provides a hybrid power supply and the nobile:connected software platform for managing energy communities, covering member administration, billing, energy-flow analysis, and tariff and payment handling. It serves energy communities, businesses, and households across Austria and other European markets with energy-sharing concepts.

1 investor

NODA develops AI-powered software solutions for optimizing thermal energy systems, including district heating/cooling networks, building clusters, and industrial infrastructure. The company provides data collection, contextualization, and control capabilities to reduce energy costs, cut emissions, and improve operational efficiency across buildings, networks, and cities.

1 investor

The company focuses on clean air solutions and environmental sustainability, though specific products and business operations are not detailed on this page.

1 investor

NOMAD provides mobile energy storage systems deployed at megawatt scale in under an hour to address grid capacity shortfalls and electrification bottlenecks. The solution bridges interconnection delays and capacity gaps for utilities and industrial customers without requiring permanent infrastructure upgrades.

1 investor

Nominal Controls manufactures solid-state DC contactors for switching high-power loads in industrial and energy applications. The company's MACH-1 product line serves industrial controls, battery management systems, and power distribution in renewable and energy systems.

1 investor

NorcSi develops silicon-based battery materials for the semiconductor and energy storage industries, applying semiconductor research methodologies to battery technology development. The company was founded on a research partnership between the Helmholtz Centre Dresden-Rossendorf and the Technical University of Freiberg.

1 investor

Nordic Climate Group provides cooling, heating, and energy efficiency services that reduce environmental impact and energy costs for customers. The company operates across these technical domains to improve sustainability metrics and lower operational expenses.

1 investor

Nordic Salt Cycle recovers critical minerals from recycled materials using molten salt technology to produce battery metals for European supply chains. The company provides midstream processing that converts black mass into nickel, cobalt, and lithium products for industrial refiners.

1 investor

Nordwestgruppe is a regional installer of renewable energy systems for homeowners in northwestern Germany, offering solar panels, heat pumps, battery storage, wallboxes, and an app-managed home energy system (ENERGY.365). It provides planning, on-site consultation, and installation, with over 5,000 systems installed.

1 investor

Norhybrid Renewables AS develops small vertical wind turbines and combines them with solar panels and battery storage into distributed "mini hybrid" power plants for commercial buildings, factories, farms, and other high-energy users. The company operates in the renewable and distributed energy sector, with a focus on Norway and international markets.

1 investor

Northern Biogas designs, builds, owns, and operates renewable natural gas (RNG) facilities that convert organic waste into clean energy. The company serves operators and communities seeking sustainable energy solutions with full-service project management from financing through operations.

1 investor

Northwest Pump is a distributor of petroleum and industrial equipment, operating through sales and service divisions. The company has served the petroleum and industrial sectors for 65 years.

1 investor

NOTUS energy develops, builds, and operates renewable energy projects including wind farms, solar parks, and energy storage, offering services from project planning and financing to construction, grid connection, repowering, and asset management. It works internationally with communities, landowners, project developers, operators, and investors.

1 investor