Best Trending Themes in Energy Tech Companies in United States
The 376 best Trending Themes in Energy Tech companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: vizn energy systems.
Tracking the best Trending Themes in Energy Tech companies in the United States, this directory covers 376 firms by disclosed equity funding and recent funding momentum — and the numbers tell a story worth reading. Total disclosed funding hits $192M across the cohort, with Vizn Energy Systems leading at $61M, Boba.network close behind at $45M, and Compology at $33M. The global market sits at roughly $2.6B today and, according to Allied Market Research, is forecast to reach $17.0B by 2032 at a 14.5% CAGR. That's not a slow burn. Energy security risks are pushing capital toward domestic alternatives faster than most policy timelines anticipated, and the hot themes right now — EV battery technology, next-generation EV platforms, solar electricity generation — reflect exactly that urgency.
So what's the on-the-ground signal? Median install growth across 138 energy apps is running at roughly +28% YoY, which tells you consumer and enterprise appetite is real, not projected. As shown in 2019 research on grid-scale energy systems, efficiency gains compound quickly once adoption crosses a threshold. I'd watch the EV powertrain and battery segments especially closely this quarter. Investors like Alchemist Accelerator, Evergreen Climate Innovations, and Kairos Ventures are already positioned, and the one unicorn in this directory suggests the ceiling here is still wide open.
- Frost & Sullivan
Ranked: Best Trending Themes in Energy Tech companies in United States
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | vizn energy systems ViZn Energy Systems is an energy company that develops sustainable energy storage solutions for… | $61M | 95 mo ago | Series B | — | 2009 | — | — | — |
| 2 | boba.network 🦄 Lower gas, faster, secured in Ethereum, supercharged with hybrid compute. | $45M | 50 mo ago | Series A | — | — | WordPressMySQLPHP+25 | 6 patents Adjustable infant carrier designs and usage methods for child transport | — |
| 3 | compology Compology is building technology focused on increasing efficiency and revenue growth for waste and recycling… | $33M | 82 mo ago | Acquired | — | 2012 | SalesforceAmazon Web ServicesTypekit+3 | 19 patents IoT-based fill‑level sensing and waste‑container monitoring for smart waste management | — |
| 4 | C12 Energy Developer of carbon sequestration technology. The company's carbon sequestration technology separate… | $30M | 208 mo ago | Deadpooled | — | 2008 | — | — | — |
| 5 | Lithium Technology Lithium Technology Corp designs and manufactures rechargeable lithium-ion batteries and cells. | $10M | 182 mo ago | Deadpooled | — | 1995 | — | 32 patents Social network analytics, gamified engagement, and privacy management platforms | — |
| 6 | wegowise WegoWise is a web-based utility analytics platform that integrates big data with energy efficiency for the… | $5M | 157 mo ago | Acquired | — | 2010 | — | — | — |
| 7 | xerion advanced battery Xerion Advanced Battery develops nanotechnology-based, high-power, and high-energy battery systems. | $4M | 122 mo ago | Series B | — | 2010 | WordPressMySQLPHP+15 | 82 patents Lithium extraction and advanced electrode materials via molten‑salt electroreduction | — |
| 8 | powerx PowerX is a technology startup that creates a line of precision sensors that gather data about a home’s… | $4M | 60 mo ago | Seed | — | 2019 | WordPress Block EditorElementorWordPress+30 | — | — |
Top 12 Trending Themes in Energy Tech companies in United States
#1
Series A · Palo Alto, CA · 16 employees$45Mraised▾
Lower gas, faster, secured in Ethereum, supercharged with hybrid compute.
#2
Seed · Brooklyn, New York · founded 2019 · 19 employees$4Mraised▾
Developer of an energy management system intended to save money on water heating. The company's system can be attached to an existing water heater and calculates the temperature the user likes and heats only as much water as needed, enabling customers to save water heating bills and reduce carbon emissions.
#3
Acquired · San Francisco, California · founded 2012 · 34 employees$33Mraised▾
Developer of a waste metering technology designed to meter the water, electricity, and gas consumption. The company's technology automatically monitors and detects fullness, content, location, and activity, enabling clients to save on costs and drive toward sustainability goals.
#4
Series B · Columbia Falls, Montana · founded 2009 · 47 employees$60.6Mraised▾
Developer of sustainable energy storage systems designed to serve utility, commercial, industrial and microgrid applications worldwide. The company's systems deploy versatile zinc-redox flow battery facilities that can perform a broad array of power and energy services, providing companies with safe, reliable, cost-effective and scalable storage systems to meet the needs of the energy landscape.
#5
Deadpooled · United States · founded 2008 · 20 employees$30Mraised▾
Developer of carbon sequestration technology. The company's carbon sequestration technology separate emissions streams and inject those emissions into geological formations for storage by making use of anthropogenic CO2 sources and assembling a scientifically sophisticated team that specializes in geophysical analytics, reservoir mapping, and the engineering needed to design and operate EOR projects.
#6
Deadpooled · United States · founded 1995 · 72 employees$10Mraised▾
Lithium Technology Corp designs and manufactures rechargeable lithium-ion batteries and cells. The company's primary customers are in the military, transportation, and stationary power markets. Some applications of the company's products include: power supplies for non-nuclear submarines, windmills, and military hybrid electric vehicles. The company's GAIA product line includes cells and batteries with capacities ranging from 10 to 100,000 times greater than a standard laptop battery.
#7
Series B · Westminster, Colorado · founded 2010 · 17 employees$4Mraised▾
Manufacturer of a nano-structured battery system intended to commercialize battery technologies based upon a nanostructured, 3-D conductive foam. The company's battery system is made using technology that brings charging times down from hours to minutes while increasing the overall energy capacity and performance in challenging environmental conditions, enabling clients to have low-cost and ecologically sustainable batteries.
#8
Acquired · Boston, Massachusetts · founded 2010 · 50 employees$4.9Mraised▾
Developer of a web-based utility analytics platform designed to be used for improving the operating performance and value of properties. The company's platform provides insight into a building's energy and water efficiency, enabling real estate professionals to achieve immediate and sustained savings while making smarter capital investment and financing decisions.
#9
Seed · Westlake Village, California · founded 2017 · 30 employees—raised▾
Developer of crowd monitoring technology designed for optimum occupancy management and safety. The company's platform offers real-time and historical occupancy data technology by leveraging IoT sensors that analyze radio frequency signals, enabling clients to make space allocation and planning decisions.
#10
Seed · Mountain View, California · founded 2019 · 6 employees—raised▾
Manufacturer of lightweight batteries designed to provide a range of sustainable energy. The company's battery materials are made of thin copper and nanofiber which is an abundant, renewable, and sustainable biopolymer, enabling customers to purchase batteries that are lightweight, cheaper, and have stronger alternatives.
#11
Funding Raised · Cleveland, Ohio · founded 2013 · 41 employees—raised▾
FGC Plasma Solutions is working on a better fuel injector that incorporates plasma to better control combustion in jet engines and gas turbines. This technology enables more optimum operation of the engine. In particular, by reducing fuel consumption during idling, savings are possible of between 1 percent to 5 percent per flight. This technology will also enable benefits from lower emissions; increased fuel flexibility; and improved reliability.
#12
Deadpooled · Cambridge, Massachusetts · founded 2014 · 3 employees—raised▾
Manufacturer of cycling power meters. The company's product acts as a training and performance tracking tool for cyclists, with auto-zeroing and temperature compensation users can trust the data from every ride in any condition, equipped with both ANT+ and Bluetooth, built from aluminum and installed in the bottom bracket.