Top 50 Clean Energy Angel Investors (August 2026)

Portfolio highlights

• Asepha — Asepha is an AI clinical decision support (CDS) tool to help healthcare professionals make faster clinical decisions.
• ORA Technologies — E-Commerce, Super App
• THIRUMALS PAPER ARIZONA PVT. LTD. — TRADING PLATFORM OF PULP , PAPER & PACKAGING

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• Skiff — Everything on Skiff is end-to-end encrypted. Your most sensitive data is private, decentralized, and truly owned by you.
• Swarm Aero — Swarm empowers small teams to mobilize thousands of uncrewed vehicles in communications-limited, contested environments.
• Keeper — Find the right person. Build something meaningful together.

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• OrbitX — OrbitX is a Filipino aerospace and research firm. The company's goal is to make spaceflight more inexpensive and sustainable for developing countries by transforming wastes into different types of fuel.

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• Snapi Health — The most convenient way to monitor your baby's gut health
• Field Complete — Field service management software built by contractors. Schedule, dispatch, invoice & get paid in one app. Start your 14-day free trial.

Portfolio highlights

• X (formerly Twitter) — X, formerly Twitter, is a global social networking platform that allows its users to send and read 280-character messages. It enables registered users to read and post their tweets through the web, short message service (SMS), and mobile applications. As a global real-time communications platform, X has more than 400 million monthly visitors and255 million monthly active users around the world. X’s active group of registered members includes World leaders, major athletes, star performers, news organizations, and entertainment outlets. It is currently available in more than 35 languages. X was launched in 2006 by Jack Dorsey, Evan Williams, Biz Stone, and Noah Glass. X is headquartered in San Francisco, California, USA, with local offices in Atlanta, Austin, Boston, Boulder, Chicago, Detroit, Los Angeles, New York, Sunnyvale, and Washington. X's international offices are located in Amsterdam, Berlin, Dublin, London, Madrid, Paris, Rio de Janeiro, Sao Paulo, Singapore, Sydney, Seoul, Tokyo, Toronto, and Vancouver.
• Cmax System — Cmax System designs, manufacture, and distributes an innovative system of emergency shelters to improve the living conditions and enhance the dignity of the millions of refugees.It is designed with many unique characteristics: foldable, mobile, affordable, reusable, and more. It is the lightweight, All-in-One solution fully equipped with survivalnecessities, and assembles tool-free in just 11 minutes. The rigid and raised floor design prevents collapse and makes Cmax an innovative replacement to the primitive tent.
• HempNFibers — Growing hemp. Making a bio fuel to start. Than also an insulation out of it as well. Will look at doing more as company grows. I also know a way to power a whole warehouse by just the plants it’s self but I need funding to get this started. I’m building the transportation side just so I can gain an income to try and get this started.

Portfolio highlights

• SLUSHY — SLUSHY is a secure mobile web based platform for content creators to find, grow, & monetize their audiences. A creator first, tech-driven tool, designed with key discoverability features and audience insights. In a market where existing solutions (OnlyFans, Patreon) fall short of their creators' demands, SLUSHY provides an alternativesolution for professional content creators that prioritizes their monetization, support and management needs. SLUSHY incorporates a powerful legal framework, with robust compliance tools including simplified consent, ID verification, and content moderation. The new home of unrestricted content, SLUSHY is here.
• Unsloth AI — Unsloth is an open-source, no-code web UI for training, running and exporting open models in one unified local interface.
• OneImaging — OneImaging makes life-saving diagnostics affordable, accessible, and personal. We connect employers, health plans, and members to a trusted national network of imaging centers, delivering faster answers with transparent pricing and premium care across MRIs, CT scans, ultrasounds, mammograms, X-rays and more. We serve organizations looking to control medical spend and individuals who need reliable results without delays. Every scan booked through OneImaging is proof that healthcare can be simpler, cheaper, and kinder.

Portfolio highlights

• Staris — Staris is an AI-powered application security platform that continuously finds, proves, and explains exploitable vulnerabilities. Reduce false positives and validate real application risk with business context.
• Zero — Protect your devices and gain access to websites. Round-the-clock customer support. VPN for Windows, Android, macOS, iOS, and routers. Free trial period.
• Mirai — On-device SDK (developer suite) for running highly optimized inference, fine-tuning, and operating LLMs and other deep learning models on the device. We aim to make it easy for developers to choose and route the query to the right model and deploy it to the device in a couple of clicks.Mirai is addressing a significant gap in on-device AIinference and training. Current cloud-based models face high latency, privacy concerns, and reliance on constant connectivity. Developers also struggle with high costs for personalization (e.g., $100M per year for 1M MAU) which is the most crucial pain point now and a core of our GTM. There’s no existing developer-friendly solution for on-device mobile AI, fine-tuning, and management. Our vision involves expanding from a robust SDK to include a developer console for model management, benchmarks, and fine-tuning.

Portfolio highlights

• Metal Pay — Metal Pay allows people a free bank account, the ability to buy and sell over 50 cryptocurrencies, and the ability to pay anybody instantly.
• Mosaic — Mosaic is a residential solar lending platform that enables thousands of people to profit from the benefits of clean energy. It is a solar finance company that provides financing for residential solar systems. Mosaic's vision, 100% clean energy for all, embodies the desire to create shared prosperity through clean energy and to help millionsof people invest in themselves, their homes, and the future of the planet.It was founded in 2011 and is based in Oakland, California.
• Wareclouds — Wareclouds puts ecommerce products in their customers hands in a fast and cheap way, by using peoples idle space and time. This people store products and assemble orders in their house, and move packages in their free time.

Portfolio highlights

• SnapMD — SnapMD, Inc. owns and operates a cloud-based patient-to-provider telemedicine platform that connects parents and their children with pediatric physicians in the United States. Its platform also enables healthcare providers to connect with patients needing time-sensitive consultations and follow-up medical visits; and facilitatesphysician-to-physician consultations. The company serves customers through smartphones, tablets, laptops, desktop computers, and other Internet enabled devices. SnapMD, Inc. was founded in 2013 and is based in Glendale, California.
• Stimwave Technologies — Stimwave Technologies, Inc., a medical device company, engages in the development, manufacture, commercialization, and marketing of wireless microsize injectable medical devices for neurology markets. The company was formerly known as Neural Micro Incorporated. Stimwave Technologies, Inc. was incorporated in 2010 and is based in Scottsdale,Arizona.
• Aqueduct Critical Care — Aqueduct Critical Care addresses the critical care problem of managing inter-cranial pressure. Its working prototypes demonstrate the ability to allow the patient to move, and minimize attention from nursing staff. Aqueduct Critical Care was founded in 2013 and is based in Bothell, Washington.

Portfolio highlights

• VueBox — VueBox places interactive content in rideshare vehicles
• Pristeem — The laundry & dry cleaning services industry has seen no hardware innovation in a long time resulting in 24 hr+ turnarounds, insanely expensive prices, and a complete lack of reliability. Pristēm has built a magical new clothing care experience that's 150x faster, 10x cheaper, and hassle free. Our smart hardware and consumable cleansyour outfit exactly when you need it, not 24 hours later.Our nationwide network of smart hardware products can be accessed through your mobile phone and a monthly subscription. Pristēm provides the best customer experience that's a faster, greener, and more enjoyable alternative to the laundry and dry cleaning services available today.
• Looking Glass Factory — Introducing Looking Glass Portrait, your first personal holographic display. Designed for people, real and imagined. Available for pre-order today.

Portfolio highlights

• Payam Music — Payam Music is where students fall in love with piano. Not only do they have fun but they win competitions. Endorsed by composer Hans Zimmer. Sign up for a trial in-person or online lesson!
• Kind Designs — Kind Designs is a trusted 3D Printed seawall contractor in Miami offering custom seawall construction, shoreline protection, erosion control solutions.
• The Athletics — The Athletics franchise is a professional spectator sports organization that operates a Major League Baseball club. The company manages athletic team rosters, player scouting, talent development, and medical staff for its baseball operations. It coordinates live event production, stadium technology, corporate sponsorships, and ticket saleslogistics for professional games. Additionally, the business oversees regional television, radio, and streaming broadcast infrastructure to distribute sports media content.

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• Hoevan — HOEVAN is a holding company focused on bringing together disparate companies with complementary capabilities. We strongly believe in the accretive value created through shared capabilities and unique management experience.Our mission is to support consumers and brands as technologies continuously evolve. Renewable energy and consumer electronictechnologies often evolve with minimal downstream consumer support, protection, or repair services in mind. We focus on streamlined and cost effective products to create better consumer experiences while enhancing brands consumer rallying cry.

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• encentive — encentive provides modular building to grid and consumer VPP solutions as a service for existing systems and infrastructure. We are the expert for cost efficient, scalable and fully automated micro-flexibility services!

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• Reyets: Social Justice Network — Reyets is the fastest growing social justice network providing civil rights tools, that allow people to know their rights, document and report misconduct, access alternatives to calling the police and connect with community protection networks. We empower the new Civil Rights Movement.
• Skycart — Skycart build delivery drones for shipping goods in 30min or less. Anywhere, anytime.
• Fishidy — Fishidy is the only authoritative, intelligent, map-based social network that maximizes an angler’s time on the water by presenting and cultivating critical location-based information. Fishidy provides anglers the maps of specific locations to plan their outing for success. The tools to catch their targeted species of fish. And the option to bragusing social media.

Portfolio highlights

• COOK — COOK is a manufacturer and retailer of frozen ready meals.
• Cashican People LLC — Cashica is a quantitative cryptocurrency investment firm that aims at web3 and metaverse innovations across the world. Cashican also named Cashican People LLC was founded in 2017 and is headquarted in New York.
• HempNFibers — Growing hemp. Making a bio fuel to start. Than also an insulation out of it as well. Will look at doing more as company grows. I also know a way to power a whole warehouse by just the plants it’s self but I need funding to get this started. I’m building the transportation side just so I can gain an income to try and get this started.

Portfolio highlights

• Tornado — Digest information from thousands of public filings and your own documents with a versatile AI analyst, plus the reliability of full source attribution.
• Wonder — Introducing a new kind of home dining experience. Currently available in areas of New Jersey.
• Focused Energy — Focused is the leading Laser Fusion company pursuing the most promising path to clean, limitless fusion power... unlocking civilization's next great chapter of growth.

Portfolio highlights

• Simply Homes — Sell your home fast for cash - As-is. No repairs. No updates. No showings. Pay zero fees.
• Field Complete — Field service management software built by contractors. Schedule, dispatch, invoice & get paid in one app. Start your 14-day free trial.
• Jumpstart — Jumpstart is a social e-commerce platform that engages in helping entrepreneurs to manage their ongoing compliance in real-time.

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• Arcadia — Arcadia is the energy intelligence platform for businesses. We replace fragmented tools and manual workflows with one platform to pay utility bills, buy energy, and advance sustainability.

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• Blue Origin — Earth, in all its beauty, is just our starting place. Blue Origin is opening the promise of space to all.
• Flourish — Flourish is an AI company building human-level intelligence with human-level efficiency.
• General Intuition — The frontier lab for acting in space and time.

Portfolio highlights

• NewLimit — NewLimit is extending human healthspan by unlocking regenerative potential.
• Shellworks — Reimaging nature's packaging with beautifully sustainable, truly compostable alternatives to plastic for cosmetics and beauty products.
• Viktor — Viktor is the AI employee that lives in Slack and Microsoft Teams, connects to 3,200+ tools, and does the work. Reports, dashboards, code, campaigns. Start free.

Portfolio highlights

• encosa — encosa helps commercial and industrial customers cut electricity costs with battery storage systems and software. It plans, finances, installs, and operates these systems as a complete service. The company also uses energy optimization and electricity trading to improve system returns.
• Urban Ray — Urban Ray makes goods accessible anytime for everyone.
• Vaeridion — Vaeridion offers green air mobility technology and services which helps electric microliners to fly with the low energy consumption.

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• Kumo.AI — Kumo is a platform that uses artificial intelligence to help businesses make predictions from their data, like customer churn or product purchases.
• World Labs — World Labs is an AI startup that can analyze visual data with comprehension akin to a person's, a substantial advancement above existing capacities.
• Tomorrow Farms — Tomorrow Farms is a food technology company on a mission to fuel the sustainable food revolution with irresistible food and beverage brands.

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• BloomCredit — Use Bloom to engage and understand your customers through credit data. Help your customers qualify for your loans, credit cards, and credit products. Create relationships with your customers through personalized financial advice and support.
• BrandCommerce — BrandCommerce is a middle layer of APIs integrated with offline and online retailers, fulfillment providers and logistics partners.BrandCommerce seamlessly connects between your retail partners, logistics providers, last-mile vendors, content and data management platforms allowing you to offer a single, seamless eCommerce experience fulfilledwithout deploying complex logistics technology.BrandCommerce enables brands to use their retail stores for 1-hour fulfillment giving you Amazon-like capabilities. Connect all of your brands digital activities to instant purchase.
• Field Complete — Field service management software built by contractors. Schedule, dispatch, invoice & get paid in one app. Start your 14-day free trial.

Portfolio highlights

• Arcadia — Arcadia is the energy intelligence platform for businesses. We replace fragmented tools and manual workflows with one platform to pay utility bills, buy energy, and advance sustainability.

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• Zeely — Zeely is a website development platform designed to assist businesses in marketing their web pages. The company's platform allows businesses to create and promote websites without using codes or UI/UX designs, and these codes can be linked with Google Ads or other social media platforms to increase reach, allowing businesses to create awebpage based on AI and expand their audience network.
• Kwaaka — Kwaaka is a subscription-based service that integrates Food Delivery services like Glovo, Wolt, Bolt Food, Deliveroo direct into restaurants’ point-of-sale systems, streamlining order taking processes and menu management through a single interface and eliminating the requirement for restaurant staff to monitor multiple devices and manually repunchorders into their existing system.
• Yope — Salo is a discussion platform that erases the borders for people with diverse opinions to let anyone speak up and be heard.

Portfolio highlights

• Graswald AI — Graswald engages in the creation of natural and digital 3D worlds for the entertainment industry.
• Trade Machines FI GmbH — TradeMachines understands how difficult it is to trust in used machinery. They work with trustful industrial auctioneers and renowned machinery traders to ensure you receive the best connection between the two. Industrial auctions are a popular possibility to find great bargains when it comes to used machinery. In these industrial auctionspotential buyers find used equipment of companies who became insolvent or who decided to get rid of a selection of their machines. But industrial auctions are not the only way how to find the right used machines for cheap prices. Machinery traders list their offers on TradeMachines as well. As a result of the extensive offer of used machines, it is much easier and less time consuming to the find right offer.
• DEALCIRCLE — DealCircle is a digital M&A solution and partner of hundreds of M&A advisors. We support in identifying buyers and addressing the market. This provides investors access to a comprehensive deal flow of relevant projects.

Portfolio highlights

• Notte Group — A family run venture organization mainly focused over investment management and project planning within areas of energy, renewables, farming, agritech!
• AASAN Consultancy — AASAN Consultancy is a management consulting firm providing energy management and engineering services.Its primary focus is on cost reduction, energy consumption analysis, and evaluation, as well as future-oriented planning for the cost-saving strategies for the energy supply. The firm identifies the possibilities to reduce current energy billswithout any impact on the consumer's current quality, volumes, or safety standards.Ratilal M. Bavarva founded the firm in 2018 with its headquarters in Rajkot, Gujarat.
• Habaple Solar Technology Limited — An intertwine solar technology company with a next generation of 2.1 MW powerhouse grid base module system with an annual source of electricity generation. The project will be under the guideline of Ministry of New and Renewable Energy (MNRE), Deutsche Gesellschaft für Internationale Zusammenarbeit GmbH (GIZ), Ministry of Power.

Portfolio highlights

• Zypp Electric — Rent electric 2W scooters & 3W Loader with Zypp. Affordable EV rental solutions for delivery partners & businesses. Eco-friendly last-mile delivery.
• Pixis — Pixis is the platform for marketers who want real results. AI-powered ad performance and creative, built to deliver.

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• ZunRoof — Buy solar systems at lowest price. Install solar rooftop to get lowest price and best quality solar panel, inverter, structure. Get a Solar Rooftop. Quality and subsidy assured. Reduce Electricity Bill by 100% by Going Solar. Make Money from Sun.

Portfolio highlights

• Ware — Ware deploys autonomous, self-flying drones—combined with machine learning—inside warehouses to automate their inventory tracking. Designed to solve some of the $1.9 trillion warehousing industry’s most pressing issues, Ware’s product helps their customers operate more efficiently. A partner of Skydio and funded by Bloomberg Beta, Ware works withthe world’s largest 3PL’s and global brands to improve their accuracy, workflows, and save money.
• Radiant — Clean. Portable. Safe. Energy
• Replenysh — Replenysh is a set of tools for communities and companies to build circularity in days, not years.

Portfolio highlights

• Arcadia — Arcadia is the energy intelligence platform for businesses. We replace fragmented tools and manual workflows with one platform to pay utility bills, buy energy, and advance sustainability.

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• Neo Sans — Neo Sans operates as a clean technology company.

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• Factored — Factored empowers landlords to access capital, allowing them to effectively meet capital needs, significantly enhance tenant living standards and drastically reduce carbon emissions from their rental properties.

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• Sorare — Global Fantasy Football. Collect limited edition digital collectibles, Manage your team and earn prizes!
• Hoth Intelligence — Hoth Intelligence home page. Space age surgical technology brought down to earth.
• Floating Point Group — Floating Point Group is a trading platform provider offering innovative, industry-leading trade execution and settlement

Portfolio highlights

• Kaia Health — Kaia Health is a digital therapeutics company that creates evidence-based treatments for a range of disorders including back pain and COPD. Working with experts in various medical fields, the company uses machine learning to deliver individualized app interventions that aim to empower and motivate patients to take control and self-manage theircondition with digital alternatives from their home using devices they already own (i.e. smartphones and tablets).The company has enrolled more than 400,000 users to date in its digital therapy program. It was founded in 2016 and is headquartered in Brooklyn, New York.
• neoom — neoom is a software company that offers services clean and integrated decentralized energy solutions. It focuses on electrical and digital systems that create sustainable value. The company offers solutions in energy management, photovoltaics, power storage, charging stations, and a range of storage solutions.
• Pactum — Pactum autonomous negotiations help companies unlock hidden value. Our AI negotiates non-strategic supplier contracts on a massive scale.

Portfolio highlights

• TransCrypts — We all have that file box where we throw all our important documents. Our goal at TransCrypts is to make that box digital and have all the documents secured through the blockchain. We currently offer industry leading privacy and security standards on our file storage and sharing platform and have solutions for individuals all the way to enterprises.
• AtomBeam — Atombeam Technologies is a software company building two AI platforms. Neurpac applies machine learning and advanced mathematics to compact and encrypt data in real time, reducing data volume and latency across transport-agnostic deployments. PCM (Persistent Cognitive Machine) is a geometric AI reasoning engine that reasons from mathematicalstructure rather than pattern-matching, enabling private, low-cost AI that runs behind the enterprise firewall.The company serves enterprise, government, and defense customers, with nearly 600 patents filed, eight active U.S. Department of War programs, an active DARPA engagement, and a Cooperative Research and Development Agreement (CRADA) with NIWC Pacific. Partners include DXC, Oracle, Ericsson, HPE, Viasat, and Trilliant.
• Pops Diabetes Care — If you are an employer, caregiver, or just someone who wants an easy diabetes management system, Click here to learn how we can help!

Portfolio highlights

• Toybox Labs — Toybox is the ultimate 3d printing experience for kids. It enables children to print thousands of toys at the push of a button right at home.
• Redcar — Scale your B2B sales with the most flexible AI Agent. Customize your GTM and outreach on Redcar, which qualifies, researches, personalizes, and follows up like your best reps.
• Spreadsheet.com — The spreadsheet you know with the power of a database and project management system. Gantt, Kanban, Forms, and Automations. Get started free.

Portfolio highlights

• Watsi — Watsi is a nonprofit that brings people together through technology to fund life-changing healthcare.
• Quaise Energy — Quaise is an energy company unlocking geothermal energy for the world population through millimeter wave drilling technology.
• Quanttus — Stress free and easy shopping experience. Simple and speedy service.

Portfolio highlights

• HyPoint — Next Generations Fuel Cell Systems
• Overtime — Overtime is the leading brand for the next generation of sports fans. As both a publisher and an influencer, we've built the inclusive world of sports we all wish was the norm by giving a platform to our community to be seen AND heard.
• Social Native — Predictive AI platform for creator marketing.

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• Proton.ai — Boost your sales with Proton, the AI-powered growth platform for distributors. Get full customer visibility and never miss a sales opportunity again.
• Racket — Let's make a racket.
• Consensus — Consensus uses AI to extract and summarize scientific insights from peer-reviewed sources. For any question, what's the Consensus?

Portfolio highlights

• Wonder — Introducing a new kind of home dining experience. Currently available in areas of New Jersey.
• Mealplanet — mealplanet makes working #meals #easy. Our online #food ordering platform saves business's time, ensures accurate orders, and makes #restaurants more money.
• Cure Hydration — Cure is a premium, hydrating electrolyte drink mix made with organic coconut water, pink Himalayan salt and no added sugar. Based on the WHO's ORS (Oral Rehydration Solution.)

Portfolio highlights

• Pranalytica — Pranalytica started operations in February 2000, with the singular focus of supplying world-leading products through world-leading R&D and a thorough understanding of our customers' needs.During the first few years, the company built a leading position in tunable laser spectroscopy-based gas sensing. Notably, Pranalytica was the first toapply the formalism of Receiver Operational Characteristics (ROC curves) to gas sensors, and thus to quantify the probabilities of false negatives and false positives. This analysis has been incorporated into DARPA's "bible" for gas sensors for chemical and biological threats.
• Tank Utility — Propane gas tank monitor device and system with smart phone app. A remote and wireless solution to save money with smart connected fuel deliveries.
• Vector Launch — Vector Launch | New Team | New Mission | New site coming soon

Portfolio highlights

• Koyeb — Koyeb is a developer-friendly serverless platform to deploy apps globally. No-ops, servers, and infrastructure management.
• Radiant — Clean. Portable. Safe. Energy
• Masters — Train mind and body on the Masters app with full workout programs designed and run by the world's best athletes. Join today and start training like a pro.

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• Oriana Power — Oriana Power is a provider of solar energy solutions that allow consumers and businesses to use clean, renewable energy sources for a better future.

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• Xeal — Xeal provides the world's most advanced electric vehicle (EV) charging stations designed for progressive multi-family apartments and businesses. Lead the change with self-managed sustainable amenities.
• WeaveGrid — WeaveGrid operates with utilities and owners of electric vehicles (EV) to allow and speed up transportation electrification. Using machine learning, optimization, and predictive analytics, the company's software solution solves several EV-grid integration challenges for utilities in a systems-oriented manner; helps integrate renewable energyresources on the grid; and saves utility customers' money on their bills.
• Distributed Energy — Distributed Energy is a renewable energy platform that matches Investors and Energy Customers. We offer a good IRR and stable returns for our investors.

Portfolio highlights

• Bolt — Bolt makes Ecommerce better with One-Click Checkout and CheckoutOS. See how Bolt checkout boosts your sales today.
• madKast — Recently founded madKast makes it easy for people to share news and blog posts with others via a single click. Users just have to enter their e-mail address to get a madKast widget, which once installed, lets you share the story's URL with your contacts through e-mail, text messaging, instant messaging, or social bookmarking sites. madKastis free, and there is no registration or downloading required to get their widget. The company's founders were also involved in the creation of
• Simple Energy — We started this company because we want to change the world and we knew the best way to do it was to get everyday people to act like they care. We motivate people to save energy. We create data-driven software that appeals to people interests and desires, informs them about their energy use and makes saving energy social, fun, and simple. We createlasting change in the way people use energy and are building a more sustainable future.

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• Field Complete — Free software for any field service company looking to improve operations and become more profitable! Get access to free home services management software.

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• Usul — Rosetta: Query government policy and spending data as it relates to your workflow.
• Traysar — Building autonomous underground systems for strike and defense in the new subterra battlefield
• SalesPatriot — We deploy AI into supply chains that the West depends on.

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• Neo Sans — Neo Sans operates as a clean technology company.

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• Zypp Electric — Rent electric 2W scooters & 3W Loader with Zypp. Affordable EV rental solutions for delivery partners & businesses. Eco-friendly last-mile delivery.