cleantech
(66)
Entlaq Holding wants Egypt’s startups to outgrow the paperwork
A Cairo consultancy connects founders, investors and policymakers. Its wager: a promising business needs a working ecosystem as much as a working product.
MaRS Discovery District: Great science needs a buyer
Toronto built a place where research could meet money. MaRS’s harder assignment is getting promising technology through the door of its first paying customer.
Sterling Communications invites the critic inside
A water utility’s unhappy customers offer a useful way to understand this technology PR agency: sometimes the most persuasive story is a look behind the scenes.
Technica Communications knows what to say before the plane can fly
A delayed test flight. A heat pump with three weeks to make an impression. Technica Communications turns complicated technology into stories that give customers and investors a reason to pay attention.
Altitude Accelerator asks the awkward question: who will buy it?
The Brampton nonprofit helps technology founders turn promising inventions into businesses customers will pay for. Its next move brings more investors into the room.
Cambridge Cleantech knows who you need to meet
A smart air brick, a Japanese builder and methane trapped in water: Cambridge Cleantech connects climate inventions with people who can buy, test or fund them. Its business is making the next introduction count.
ClimateLaunchpad wants you to win a customer
The climate start-up competition offers free coaching, takes no equity and hands out prizes. Its most useful lesson is knowing when applause is getting in the way.
Rockies Venture Club makes the pitch the beginning
The Colorado angel network has built a business around what happens after the applause: teaching investors, checking the numbers, and assembling enough capital to make a deal.
LVenture Group put venture capital on the platform at Rome Termini
Inside a railway station, LVenture Group paired startup money with five months of hands-on help. Its journey into Zest reveals the harder part: turning promising companies into cash.
At Dalhousie’s ideaHUB, the next business starts on a workbench
Hardware founders need somewhere to build, test and change their minds. Inside Dalhousie’s Emera ideaHUB, shared labs and engineering advice help turn promising research into physical products.
Entrepreneur Futures Network gets founders ready for the hard questions
Before the pitch comes the practice. The Berkeley-born nonprofit turns volunteer expertise into structured help for student startups, clean-energy innovators and the organizations backing them.
The Last AA You'll Ever Buy
A Park City company put a USB-C port on the side of a AA battery. Its bet: you'll buy one, then never buy that battery again.
The Generator You Can Run in the Bedroom
A father-and-son engineering team wants to replace the gas generator with a box that makes hydrogen from powder and water - quiet enough to sit next to a CPAP machine.
He Built the Zillow for Land - Then Wood Mackenzie Bought the Whole Map
LandGate turned 200-plus public datasets into a value score for nearly every acre in America. Ten years later, the company that data centers and grid developers lean on to pick sites got bought by Wood Mackenzie.
The Startup That Turns Factory Exhaust Into a Power Plant - and Bills Nobody For It
Up to 58% of the energy fed into heavy industry escapes as waste heat. Kanin Energy built a business model that catches it, converts it to power, and hands the factory a check instead of an invoice.
Aprisium
Aprisium is a Singapore deeptech startup that builds on-site, real-time contaminant detection systems for water and other fluids. Using patented electrochemical sensors paired with AI analytics, it lets water utilities, industrial manufacturers, data-center operators and shipping firms detect pollutants - including heavy metals and PFAS - at the source in minutes rather than shipping samples to a lab and waiting days. The company raised an oversubscribed US$7M Series A in 2024 and deploys across Singapore, the Philippines and Australia.
Hydraloop
Hydraloop is a Dutch water technology company that makes compact, in-home and in-building water recycling systems. Its certified, chemical-free devices collect and clean up to 85% of a household's water - from showers, baths, washing machines and air-conditioning condensation - and return it for toilet flushing, laundry, garden irrigation and pool top-up, cutting fresh water use and sewage output by up to 45%. Founded in 2015 by Arthur Valkieser and Sabine Stuiver, the company won CES 2020's 'Best of the Best' award and a 2022 UN WIPO Global Award, and sells decentralized greywater systems to homeowners, developers and the hospitality sector worldwide.
Polymateria
Polymateria is a London-based materials science company that has developed Biotransformation, a masterbatch additive that lets everyday polyolefin plastics fully biodegrade in the open environment within about a year - breaking down into a wax that microbes consume, leaving only CO2, water and biomass with no microplastics. Its technology underpins the BSI PAS 9017 standard and is sold to converters and brands worldwide through its consumer-facing Lyfecycle brand.
SensorFlow
SensorFlow is a Singapore-based proptech company that uses wireless IoT sensors and AI to help hotels monitor, analyze and automate their energy use - primarily air-conditioning. Its retrofit-ready hardware installs in minutes with no upfront cost and typically cuts HVAC energy consumption by around 30%, letting properties lower operating costs and carbon emissions while keeping guest rooms comfortable. Founded in 2016 and backed by investors including Openspace Ventures and Gaw Capital, the company serves hospitality brands across Asia-Pacific and beyond.
6K
6K is a North Andover, Massachusetts advanced materials company that uses its proprietary UniMelt microwave plasma technology - which reaches roughly 6,000 degrees, hence the name - to produce battery cathode materials and additive-manufacturing metal powders faster, cleaner, and with fewer processing steps than conventional methods. Spun out of research at MIT and the University of Connecticut, the company operates through two divisions, 6K Energy (battery cathode active materials) and 6K Additive (sustainably sourced metal powders), and is building a domestic U.S. supply chain for critical materials backed by federal grants and more than $348 million in venture funding.
Allonnia
Allonnia is a Boston-based environmental biotechnology company that uses biology and engineered systems to solve stubborn contamination and resource-recovery problems. Spun out of Ginkgo Bioworks' Ferment Consortium in 2020, it removes PFAS from water at scale using SAFF foam-fractionation technology and is commercializing biological methods to recover critical minerals and rare earth elements from ore. The company has raised more than $100 million to bring 'bio-ingenuity' to water treatment and mining.
Arduro
Arduro is a Pennsylvania-based recovered materials company that uses a patented, low-temperature chemical devulcanization process to reclaim high-quality carbon black, rubber and silica from end-of-life tires and industrial rubber waste. Its process breaks the sulfur cross-links in vulcanized rubber without cutting the carbon-carbon polymer backbone, letting manufacturers replace virgin raw materials with recovered ones at comparable performance and lower carbon footprint. Its first commercial product, ELDARIX r1000 recovered carbon black, is PAH-compliant and 6PPD-free.
Blue Box Air
Blue Box Air is a Dallas-based cleantech company that restores and maintains commercial HVAC heat-transfer coils using a patented, enzyme-infused bio-treatment process. By cleaning coils from the inside out - with no downtime and no equipment removal - Blue Box improves airflow and heat transfer, cutting building energy consumption and carbon emissions while improving indoor air quality. Its Bio-Automation system keeps coils continuously clean, and the company markets a 'self-cleaning deep coil' that promises far greater heat-transfer surface area than conventional systems.
Blue Current, Inc.
Blue Current is a Hayward, California solid-state battery developer building what it calls a 'silicon-first,' fully dry battery platform. Its Silicon Elastic Composite chemistry ties glass-ceramic electrolyte particles to silicon anode particles with compliant polymers, constraining silicon swelling so high-silicon cells can cycle stably at low pressure without flammable liquids or PFAS. Positioned as a safety-focused, B2B licensing and pilot-manufacturing company, Blue Current targets electric mobility, grid-scale storage, and consumer devices, and closed an $80M+ Series D extension led by Amazon in December 2025.
Emulate Energy
Emulate Energy is a Lund, Sweden cleantech company that builds white-label software turning everyday household devices - EV chargers, heat pumps, home batteries and solar inverters - into a coordinated, grid-ready fleet. Its platform lets utilities, retailers and grid operators connect, control and monetize distributed energy resources: cutting household bills, shaving grid peaks and unlocking flexibility-market revenue without asking customers to change tariffs or behaviour. Founded in 2020 on control-theory research from MIT and Lund University, Emulate runs live programs across Europe and the US.
ePropelled
ePropelled is a New Hampshire-based engineering company that designs intelligent electric motors, motor controllers, starter generators and power-management systems for uncrewed vehicles across air, land and sea. Built on patented magnetics technology - including its Dynamic Torque Switching (eDTS) architecture that reconfigures motor windings on the fly to boost efficiency - the company supplies drone and UAV manufacturers, defense programs and industrial customers with lightweight, high-efficiency propulsion. Founded in 2018 by serial entrepreneur Nick Grewal, ePropelled raised a $15M Series A in 2021 and has grown to roughly 110 employees with operations in the US, UK and India.
Illumine-i
Illumine-i is a power and design engineering firm that provides turnkey engineering support for solar PV, battery storage, EV charging, substations, and grid infrastructure. Founded in 2015 by former Tesla and Sunrun engineers, the company works with EPCs, developers, independent power producers, and lenders - handling everything from preliminary feasibility to construction-ready permit packages, plus independent and owner's engineering. It has engineered more than 3 GW of clean energy across 200,000+ projects and complements its solar roots with construction-focused BIM/VDC and MEPF design services.
Infinitum
Infinitum is an Austin, Texas company reinventing the electric motor. Founded in 2016 by Ben Schuler, it replaced the century-old iron-and-copper stator with a printed circuit board (PCB) stator, producing air core motors that are roughly 50% smaller and lighter, use 66% less copper, and consume about 10% less energy than conventional motors. Its Aircore EC motor system integrates a variable frequency drive and targets HVAC fans and pumps, data center cooling, industrial equipment, power generation and mobility. Backed by more than $385M in funding and partners such as Rockwell Automation, Infinitum was named to Fast Company's 2025 list of the World's 50 Most Innovative Companies, ranking No. 1 in energy.
Modo Energy
Modo Energy is a London-based data and analytics platform that helps investors, developers, lenders and traders value and finance battery storage and other electrification assets. It provides regulated benchmarks, transparent revenue forecasts, expert market research and an AI analyst, turning complex power-market data into investment-grade decisions across markets in Great Britain, Europe, the United States and Australia.
NxLite
NxLite (formerly 3E Nano) makes next-generation, transparent energy-control coatings for glass and lightweight polymers. Spun out of the University of Toronto in 2015, the company's patented nano-thin, low-emissivity and solar-control coatings are air-stable and can be applied to glass, acrylic (PMMA) and polycarbonate, cutting the heat that windows gain or lose. NxLite sells to window and door makers, refrigeration and transportation manufacturers, and building-retrofit customers, and runs a 45,000-square-foot Advanced Innovation & Manufacturing (AIM) Center in Canton, Michigan.