Best Energy Companies in Delaware, United States
The 40 best Energy companies in Delaware, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: I-Pulse.
Our analysis of 171 Energy companies
$71.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Delaware
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | I-Pulse Mineral, oil and gas production & exploration company | $273M | 38 mo ago | Series D | Laurent Frescaline Co-Founder | 2007 | WordPressApple iCloud MailMicrosoft 365+25 | 104 patents Antimicrobial biomedical devices and advanced titanium‑ceramic alloy materials | — |
| 2 | Cartier Energy Provider of energy infrastructure financing services | $46M | 51 mo ago | Series C | — | — | — | — | — |
| 3 | AstroPower Strategic consulting, financial analysis, and sustainable power solutions provider | $10M | 301 mo ago | Deadpooled | Jeff Immelt CEO | 1989 | — | — | — |
| 4 | Acorn Energy Provider of remote monitoring and control systems for industrial assets | $3M | 85 mo ago | Public | Antonio Aquilino Cuenda Romero Founder & CEO | 1986 | — | — | — |
| 5 | Alvega Oil refining company | $850K | 116 mo ago | Series A | Oleg Parputs CEO | 2016 | — | — | — |
| 6 | Power Transition Developer of electricity transmission based projects | $324K | 75 mo ago | Seed | — | 2018 | — | — | — |
| 7 | Sun Edge Developer of solar energy projects | $159K | 50 mo ago | Funding Raised | David Argentar Founder & President | 2006 | — | — | — |
| 8 | Delmarva Power Provider of smart metering infrastructure | — | 16 mo ago | Funding Raised | — | 1909 | WordPressMySQLPHP+31 | — | — |
Top 9 Energy companies in Delaware
#1
Series D · Wilmington, Delaware · founded 2007 · 15 employees$272.7Mraised▾
Mineral, oil and gas production & exploration company
- Jun 2023Series D$79.4M
- Nov 2020Grant (prize money)$68.4K
- Oct 2018Series C$25M
- Feb 2015Series C$124.5M
#2
Series C · Wilmington, Delaware$46.1Mraised▾
Provider of energy infrastructure financing services
#3
Deadpooled · Newark, Delaware · founded 1989$10Mraised▾
Strategic consulting, financial analysis, and sustainable power solutions provider, offering strategic consulting services and financial analysis to businesses. The company focuses on providing innovative strategies and ideas, management support, and project implementation. It also provides sustainable solutions for localized power needs, specializing in solar power and battery storage. The company has competencies in blockchain development and implementation, structured bankruptcies and workouts, and CRM/ERP design and implementation. The company aims to be a force for positive change, ensuring its work benefits all parties involved. The company offers services to underperforming or distressed small businesses and organizations.
- Jul 2001Post IPO$10M
#4
Public · Wilmington, Delaware · founded 1986 · 28 employees$3.2Mraised▾
Provider of remote monitoring and control systems for industrial assets. It offers wireless monitoring and control solutions for generators, pipelines, and other critical equipment. These systems provide real-time data and remote management capabilities, enhancing operational efficiency and asset protection. The technology supports various equipment types, including standby generators, turbines, compressors, and pumps. This allows for proactive maintenance and improved response to potential issues.
#5
Funding Raised · Bear, Delaware · founded 2006$159.3Kraised▾
Developer of a solar concentrator technology designed to deliver solar energy. The company's proprietary floating solar system uses a water-filled concentrator to focus a large amount of sunlight into the solar photovoltaic (PV) material as compared to standard solar products, providing clients access to solar energy at a low cost.
- Jul 2022Grant (prize money)$159.3K
#6
Series A · Dover, Delaware · founded 2016$850.2Kraised▾
Developer of an environmentally friendly technology designed to offer help to the oil refining industry. The company's technology produces cleaner gasoline grades for alkylating production, enabling clients to promote efficiency in their processes and develop faster.
- Dec 2016Series A$850.2K
#7
Seed · Dover, Delaware · founded 2018 · 4 employees$323.8Kraised▾
Developer of electricity transmission based projects
- May 2020Seed$323.8K
#8
Funding Raised · Wilmington, Delaware · founded 1909 · 13 employees—raised▾
Delmarva Power is a provider of installation services for smart metering infrastructure for energy monitoring. Solutions provided include installation of smart meters and providing of two-way communication between the device and the energy providers while also providing real-time monitoring information. Also, provides an online platform for the checking and payment of utility bills.
#9
Acquired · Lewes, Delaware · founded 1924 · 122 employees—raised▾
Manufacturer of LED lighting components and smart LED lighting systems. It supplies LED drivers, heat management solutions, and waterproofing solutions for various applications. The company also produces LED neon lights, smart sensor street lights, and power supplies. Its product line includes high-power flood lights and pixel lighting. The manufacturing process encompasses office lighting, COB downlights, spotlights, and castings for street and flood lights.
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy 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
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.