Best Energy Tech Companies in Delaware, United States
The 33 best Energy Tech companies in Delaware, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Resideo.
Our analysis of 79 Energy Tech companies
$38.9b in tracked funding; 92% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Delaware
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Resideo Provider of smart home solutions for security, air, water, and energy | $500M | 30 mo ago | Public | Jay Geldmacher CEO & President | 2018 | Cart FunctionalityApple iCloud MailMicrosoft 365+28 | 71 patents Patents concentrated in computing, sensing & instrumentation | — |
| 2 | Viridi Provider of renewable natural gas platform to manage energy | $320M | 53 mo ago | Series D | Andrew Kelleher CEO | 2022 | GSAPApache HTTP ServerCloudflare+8 | — | — |
| 3 | Versogen Provider of solutions for hydrogen generation | $14M | 52 mo ago | Series A | Junhua Wang Co-Founder | 2018 | WordPress Block EditorWordPressMySQL+21 | 22 patents Durable anion‑exchange polymer membranes for alkaline electrolysis and fuel cells | — |
| 4 | Vema Developer of engineered mineral hydrogen production technology | $13M | 20 mo ago | Seed | Florian Osselin Co-Founder & CSO | 2024 | — | 2 patents Portable female urinary aid with retractable tip for discreet personal hygiene | — |
| 5 | 639 Solar Data Centers + Cloud Provider of energy management solutions for data centers 42Funding top 36%Talent bottom 45%Global bottom 25% All 3 signals ▾Fundingtop 36% Talentbottom 45% Globalbottom 25% Funding: Raised $10.1M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) Talent: 1 named leader on record rank vs industry peers · Fliar Intelligence Index 42/100 | $10M | 11 mo ago | Series B | Tim Shaler Chief Executive Officer | 2021 | — | — | — |
| 6 | ElectroTempo Provider of data analytics for building EV infrastructure | $4M | 17 mo ago | Series A | Patrick Finch Co-Founder | 2021 | — | — | — |
| 7 | Technovator Wireless power transfer technology based on quantum mechanical principles | $1M | 16 mo ago | Seed | Leszek Sawicki CEO & co-founder | 2014 | — | — | — |
| 8 | Power Transition Developer of electricity transmission based projects | $324K | 77 mo ago | Seed | — | 2018 | — | — | — |
| 9 | KFOBIX Provider of patented nanocomposite coating that repels water droplets | $275K | 37 mo ago | Seed | Mustafa Isen CEO | 2022 | — | — | — |
| 10 | Lumilant Developer of lighting products focused on energy efficiency and sustainability | $150K | 140 mo ago | Funding Raised | Ahmed Sharkawy Founder & CTO | 2010 | — | 11 patents Photonic integrated circuits for optical switching, nanophotonic filters, and grating fabrication | — |
| 11 | Aternium Developer of clean hydrogen production facilities for industrial decarbonization | $100K | 12 mo ago | Seed | Andrew Cottone Founder | 2023 | — | — | — |
| 12 | Bynry AI-powered smart utility management SaaS platform | $100K | 62 mo ago | Seed | Nilesh Gudhe Founder | 2016 | Radix UITailwind CSSshadcn/ui+14 | — | — |
Top 12 Energy Tech companies in Delaware
#1
Series B · Claymont, Delaware · founded 2021$10.1Mraised▾
Provider of energy management solutions for data centers. It has a design for solar-powered data centers, addressing the global datacenter energy shortage and extending uptime.
- Nov 2025Series B$954K
- Jun 2025Series B$300K
- Mar 2024Series B$10.1M
#2
Public · Wilmington, Delaware · founded 2018 · 14000 employees$500Mraised▾
Provider of smart home solutions for security, air, water, and energy. The company offers products such as thermostats, security systems, leak detectors, and air purifiers. These products provide home efficiencies, security, life safety, and promote well-being. The company also offers mobile applications to control, monitor, and support connected home products.
- Apr 2024Post IPO$500M
#3
Seed · Wilmington, Delaware · founded 2024$13Mraised▾
Developer of engineered mineral hydrogen production technology. This technology stimulates naturally occurring subsurface reactions to create hydrogen in a controlled and scalable manner. The process utilizes catalysts and optimized field placement to achieve cost-effective hydrogen production. It offers a sustainable and environmentally friendly alternative to traditional hydrogen production methods. The technology is designed for predictable and adaptable hydrogen flows to meet market demands.
- Feb 2025Seed$13M
#4
Series A · Dover, Delaware · founded 2021 · 10 employees$3.5Mraised▾
Provider of data analytics for building EV infrastructure. This platform makes use of analytics of the location and provides when and where EV demand will arise that help to plan strategically to build the electric vehicle ecosystem.
- May 2025Grant (prize money)$2M
- Mar 2025Grant (prize money)$2M
- Jan 2024Series A—
- Aug 2023Series A$3.5M
#5
Seed · Dover, Delaware · founded 2014 · 11 employees$1Mraised▾
Wireless power transfer technology based on quantum mechanical principles. This company offers cutting-edge wireless charging solutions leveraging energy quantization for efficient, contactless power delivery. The technology achieves high efficiency, even in dynamic environments, without relying on magnetic or electric fields, radiation, or excess heat. This enables wireless charging of low and high-power devices at a distance. The system operates within a safe frequency range, ensuring seamless integration without health concerns. It introduces a new approach to energy transfer, setting a new standard for wireless power. The technology evenly charges devices, providing stability and durability. The system operates autonomously, detecting when a device needs charging and pinpointing its position to deliver power seamlessly. The design is sleek and adaptable, integrating into modern products. This innovative wireless power transfer system works at a distance, freeing users from cables and battery anxiety.
- Jun 2025Seed$100K
- Nov 2018Grant (prize money)—
- Apr 2018Grant (prize money)$60.6K
- Dec 2017Grant (prize money)$59.5K
#6
Seed · Wilmington, Delaware · founded 2023$100Kraised▾
Developer of clean hydrogen production facilities for industrial decarbonization. The company engineers facilities for high-capacity output with a low environmental footprint. It combines scientific expertise in chemical manufacturing with digital technologies. The company aims to make industrial clean hydrogen an affordable, scalable energy solution.
- Oct 2025Seed$100K
#7
Series D · Wilmington, Delaware · founded 2022 · 14 employees$320Mraised▾
Provider of renewable natural gas platform to manage energy. It offers a full service renewable natural gas platform to build, own and operate RNG assets with landfill, dairy, and food waste feedstocks. It captures and converts natural biogas to reduce carbon emission and manage air quality. It assists organizations in strategy development, financing, operations management, and more.
- Jun 2022Series D$320M
#8
Series A · Wilmington, Delaware · founded 2018 · 37 employees$14.5Mraised▾
Provider of solutions for hydrogen generation. It uses an anion exchange membranes electrolyzer, water and renewable energy to produce green hydrogen.
- Jun 2022Series A—
- Apr 2022Series A$14.5M
- Nov 2019Grant (prize money)$3.4M
- Nov 2019Seed$1M
#9
Seed · Dover, Delaware · founded 2022$275Kraised▾
Provider of patented nanocomposite coating that repels water droplets. It provides superhydrophobic solutions for the blades of the turbines to not hold water and not freeze.
- Sep 2023Seed$275K
#10
Seed · Dover, Delaware · founded 2022$20Kraised▾
EV charging station discovery solution. It provides features such as paying online, booking charging stations, and more.
- 2024Seed$20K
#11
Seed · Dover, Delaware · founded 2018 · 4 employees$323.8Kraised▾
Developer of electricity transmission based projects
- May 2020Seed$323.8K
#12
Seed · Lewes, Delaware · founded 2016 · 11 employees$100Kraised▾
AI-powered smart utility management SaaS platform. It is designed for small and mid-sized utilities in water, electric, gas, and broadband sectors. It offers integrated modules for customer self-service, meter data management, billing and collections, work and asset management, purchase and inventory tracking, plus AI analytics and third-party integrations to streamline operations, boost revenue capture, and enhance customer experiences through cloud-based deployment.
- Aug 2021Seed$100K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Delaware researches in energy storage
- University of Delaware26
- Delaware Technical Community College1
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.