Best Energy Tech Companies in Washington, United States
The 144 best Energy Tech companies in Washington, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Porch Group.
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 Washington
| # | Company | Disclosed funding | Last round | Employees | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|
| 1 | Porch Group Provides software & service to home improvement industries | $718M | 38 mo ago | 1,800 | Matt Ehrlichman Founder | — | — |
| 2 | Group14 Technologies Manufacturer of advanced silicon battery for clean energy solutions 67Funding top 16%Patents top 16%Innovation top 25%Growth top 38% All 11 signals ▾Fundingtop 16% Patentstop 16% Innovationtop 25% Growthtop 38% Talenttop 38% Moattop 44% Newstop 45% Partnerstop 45% Marketbottom 47% Techbottom 46% Globalbottom 44% Funding: Raised $683M across 9 rounds · 9 rounds over 7 yrs (1.3/yr) Patents: 185 patents matched (strict assignee match) · 159 filings since 2022 vs 26 in 2017-21 rank vs industry peers · Fliar Intelligence Index 67/100 | $683M | 10 mo ago | 213 213 → 248 (+16%) | Henry Costantino Co-Founder | 185 patents Patents concentrated in electrical & electronics | 1 partnership |
| 3 | ZeroAvia Manufacturer of hydrogen electric propulsion systems for commercial aviation aircraft 64Funding top 18%Patents top 19%Moat top 26%Innovation top 28% All 11 signals ▾Fundingtop 18% Patentstop 19% Moattop 26% Innovationtop 28% Techtop 34% Partnerstop 45% Talenttop 45% Globalbottom 49% Growthbottom 47% Marketbottom 46% Newsbottom 40% Funding: Raised $348M across 12 rounds · 12 rounds over 7 yrs (1.7/yr) Patents: 122 patents matched (strict assignee match) · 118 filings since 2022 vs 4 in 2017-21 rank vs industry peers · Fliar Intelligence Index 64/100 | $348M | 5 mo ago | 200 | Val Miftakhov Founder & CEO | 122 patents Hydrogen fuel‑cell power and cooling integration for aircraft propulsion and airship systems | — |
| 4 | Rad Power Bikes Developer of electric bicycles | $329M | 55 mo ago | 542 542 → 360 (-34%) | Mike Radenbaugh Founder & Chairman | — | — |
| 5 | LevelTen Energy Online renewable energy PPA marketplace | $137M | 23 mo ago | 146 | Bryce Smith Founder & CEO | — | 1 job opening |
| 6 | BrightVolt Manufacturer of solid-state lithium-ion batteries | $115M | 56 mo ago | 12 | — | 23 patents Solid polymer matrix electrolytes for high‑performance rechargeable lithium batteries | — |
| 7 | Omnidian Provider of monitoring and maintenance solutions for solar PV systems | $81M | 13 mo ago | 192 | David Kenny Co-Founder & Chief Operating Officer | — | — |
| 8 | Modern Hydrogen Provider of hydrogen generation solutions | $73M | 18 mo ago | 63 | Max Mankin ex-Co-Founder & CTO | 24 patents Local hydrogen production using combined combustion‑pyrolysis reactors with carbon capture. | — |
| 9 | Pure Watercraft Manufacturer of electric outboard motors and marine propulsion systems | $68M | 26 mo ago | 52 | Andy Rebele Founder & CEO | 34 patents Electric marine propulsion systems, battery packs, charging infrastructure, and marine cable assemblies. | — |
| 10 | Deako Manufacturer of modular smart lighting systems and related accessories | $61M | 23 mo ago | 21 | — | 30 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 11 | Ossia Provider of wireless charging solution | $55M | 69 mo ago | 34 | Doug Stovall CEO | 601 patents Wireless over‑air power delivery and integrated RF signaling for consumer electronics | — |
| 12 | Optimum Energy SaaS-driven HVAC optimization software for commercial spaces | $41M | 115 mo ago | 47 47 → 106 (+126%) | Larry Stapleton CEO & President | 75 patents Patents concentrated in mechanical & energy engineering | 5 job openings |
| 13 | Electric Era Provider of end-to-end EV charging infrastructure | $33M | 10 mo ago | — | Quincy Lee Founder & CEO | — | — |
| 14 | Inspectify Provider of SaaS-driven inspection management services for professionals and homeowners | $33M | 20 mo ago | 34 34 → 75 (+121%) | Josh Jensen Co-Founder & CEO | — | 1 launch |
| 15 | Powerit Solutions Demand response solutions | $26M | 145 mo ago | 22 | Kevin Klustner CEO & Board Director | 4 patents Smart power demand management and automated charging systems for electrical grids | — |
| 16 | Recurrent Auto Provider of EV battery health analytics and decision tools for vehicles | $24M | 29 mo ago | 17 17 → 32 (+88%) | Scott Case Co-Founder & CEO | — | — |
| 17 | Electric Era Provider of infrastructure and state-of-the-art high power battery storage | $24M | 28 mo ago | 9 | Elliot Owen Co-Founder | — | — |
| 18 | EnerG2 Provider of nano-structured material in energy storage systems | $24M | 161 mo ago | 27 | — | 88 patents Carbon electrode materials for supercapacitors and hydrogen storage nanocomposites. | — |
| 19 | Calico Energy Connectivity platform for integration of all small grid appliances | $13M | 104 mo ago | 24 24 → 29 (+21%) | Matthew Haak Co- Founder & Director | — | — |
| 20 | PowerLight Wireless power delivery systems using laser beams to transmit electricity | $12M | 9 mo ago | 33 | Tom Nugent co-founder | 41 patents Integrated solar PV mounting, tracking, and building‑integrated roofing/shingle systems. | — |
| 21 | WiBotic Provider of wireless charging solutions for industrial robots | $11M | 18 mo ago | 30 | — | 29 patents Patents concentrated in transport & manufacturing processes | — |
| 22 | Blue Tech Reimagine inventions, build companies, and solve global challenges | $10M | 119 mo ago | 53 | — | — | — |
| 23 | Allumia IoT and AI-driven energy management solutions | $10M | 51 mo ago | 37 | Quintin Barnes Co-Founder & VP | — | 1 partnership |
| 24 | Drift Offering solutions for energy trading and tracking | $9M | 103 mo ago | 3 | Ed McKenzie Co-Founder | — | — |
| 25 | Peregrine Hydrogen Green hydrogen production | $8M | 11 mo ago | 6 | Stefan Omelchenko Co-Founder / VP of Operations and Strategy | 20 patents Efficient sulfur‑dioxide depolarized electrolysis for low‑carbon hydrogen and sulfuric acid production | — |
| 26 | Oscilla Power Provider of wave energy harvesting system | $7M | 46 mo ago | 20 | Balky Nair President and CEO | 147 patents Wave energy conversion systems and marine vehicle power integration | 1 award |
| 27 | Optio3 IoT based web platform to monitor energy consumption in commercial buildings | $6M | 73 mo ago | 15 | — | — | — |
| 28 | FlexCharging Provider of electric vehicle charging solutions | $6M | 44 mo ago | 15 | Brian Grunkemeyer Founder & CEO | 18 patents Smart electric vehicle charging control and grid demand‑response scheduling systems | — |
| 29 | Lagotek Wireless Home Automation | $5M | 197 mo ago | — | Eugene Luskin Founder & CEO2 | 10 patents Distributed wireless IoT networking for home and commercial electrical automation | — |
| 30 | LAVLE Provider of solutions for battery management system | $5M | 67 mo ago | 17 | Jason Nye CEO | — | — |
| 31 | Cutsforth Provider of asset monitoring, brush rigging, and electrical system maintenance services | $4M | 13 mo ago | 79 | Dustin Cutsforth Owner | CIO | 185 patents Electrical machine component health monitoring and brush assembly hardware. | — |
| 32 | Vor Systems AI-enabled transaction platform for energy asset transactions | $3M | 3 mo ago | — | Victor Shao Co-Founder & CEO | — | — |
| 33 | Buildpulse SaaS-driven analytics solutions for buildings | $3M | 96 mo ago | 17 | — | 8 patents Automated sensor discovery, classification, and airflow control for HVAC building automation systems. | — |
| 34 | Fairway Bikes Manufacturer of electric bicycles for golf courses | $2M | 20 mo ago | — | James Billmaier Founder | — | — |
| 35 | Joule Case Manufacturer of lithium-based portable power stations | $2M | 49 mo ago | 25 | James Wagoner Pe CEO | 32 patents Patents concentrated in electrical & electronics | — |
| 36 | BattGenie Provider of battery management solutions for Lithium-ion batteries | $2M | 46 mo ago | 8 | Chintan Pathak Co-Founder & CPO | 2 patents Battery management systems employing tanks‑in‑series modeling for charge/discharge control | 2 launchs |
| 37 | Microplanet Technology Voltage regulation products for utilities | $1M | 149 mo ago | — | Brett Ironside CEO | 7 patents Electronic power conversion and control systems for regulated power electronics | — |
| 38 | Optimum Energy Online platform offering HVAC management solutions | $1M | 188 mo ago | 47 | — | 75 patents Advanced HVAC energy optimization and predictive free‑cooling for building grid integration | — |
| 39 | ClearSign Provider of combustion efficiency enhancement technology solutions | $1M | 16 mo ago | 16 16 → 23 (+44%) | — | — | 1 launch |
| 40 | Hive Battery Developer of software and equipment for electric vehicle battery manufacturing | $1M | 100 mo ago | — | Eric Din | — | — |
| 41 | Ario Healthy lighting solutions mimicking natural light for better health and well-being | $1M | 116 mo ago | 3 | — | — | — |
| 42 | Ecellix Developer of anode material intended for next-generation lithium-ion batteries | $1M | 83 mo ago | 12 | Jerry Schwartz CEO & Chairman | Founder | — | — |
| 43 | BlueDot Photonics Manufacturer of nanotech-enabled solar panels and photonic devices | $1M | 61 mo ago | 2 | Matthew Crane Co-Founder | — | — |
| 44 | KinectAir Operator of an on-demand aviation network providing flight booking services | $998K | 54 mo ago | 18 | Conor Whitehead Co-Founder | — | — |
| 45 | STARS Technology Corporation Technology solutions provider for generating hydrogen from solar energy | $826K | 46 mo ago | 3 | Bob Wegeng Founder & President & CTO | — | — |
| 46 | Cielo WiGle Smart climate control solutions for mini-split and central HVAC systems | $750K | 109 mo ago | 67 | — | 20 patents Smart HVAC thermostat hardware, wiring adapters, and infrared communication protocols. | — |
| 47 | Voltair Developer of autonomous drone systems for power grid and wildfire monitoring | $500K | 5 mo ago | — | Ronan Nopp Co-Founder & CEO | — | — |
| 48 | Narion Provider of flammability sensors | $498K | 35 mo ago | — | Eddie Kwon CEO | — | — |
| 49 | LGX Provider of 3D seismic solutions for oil exploration | $165K | 31 mo ago | — | Howard Crosby CEO and Founder | — | — |
| 50 | AeonCharge App-based platform to locate electric vehicle charging points | $125K | 51 mo ago | 9 | Lin Fa Co-Founder & CTO | — | — |
Top 12 Energy Tech companies in Washington
#1
Series C · Everett, Washington · founded 2018 · 200 employees$348.2Mraised▾
Manufacturer of hydrogen electric propulsion systems for commercial aviation aircraft. These systems utilize fuel cell technology to provide power for flight operations. The product portfolio includes powertrain components designed for integration into various airframes. These technologies aim to replace traditional combustion engines with systems that produce zero emissions during operation. The hardware supports the development of aircraft capable of regional transport and surveillance missions.
- Dec 2025Series C—
- Jul 2024Series C$26.3M
- Jan 2024Grant (prize money)$3.2M
- Sep 2023Series C$116M
#2
Series D · Woodinville, Washington · founded 2015 · 213 employees$683.3Mraised▾
Manufacturer of advanced silicon battery for clean energy solutions. It provides users with a company offering silicon battery technology, aiming to create a world where everything that can run on rechargeable batteries does. The company's innovative silicon battery materials are poised to revolutionize the energy storage industry, driving the electrification of everything.
- Aug 2025Series D$463M
- Oct 2023Series C$34.3M
- Jul 2023Series C—
- Dec 2022Series C$214M
#3
Series C · Seattle, Washington · founded 2015 · 192 employees$81.5Mraised▾
Provider of monitoring and maintenance solutions for solar PV systems. It specializes in developing monitoring systems for domestic solar PV systems. It offers a day-to-day monitoring system that is used for risk management and project management of the installed photovoltaic system. Also, provides repair service and maintenance for solar energy system through signed contracts.
- Apr 2025Series C$87M
- Oct 2023Series B$25M
- Sep 2021Series B$36.4M
- Jun 2019Series A$15M
#4
Series A · Seattle, Washington · founded 2019$33Mraised▾
Provider of end-to-end EV charging infrastructure. Its offerings include installation, deployment, and management of battery-backed DC fast charging stations, accompanied by a software suite for real-time performance analytics, payments, and customer engagement. Its features encompass vertically integrated software control, proprietary battery energy storage to reduce grid demand, guaranteed 98 %+ uptime per port, and a 32″ customizable display for brand activation and loyalty programs.
- Aug 2025Series A$8.9M
- Jul 2023Series A$16.2M
- Mar 2021Series A$7.5M
- Jul 2020Seed$345K
#5
Seed · Seattle, Washington · founded 2025$3Mraised▾
AI-enabled transaction platform for energy asset transactions. It streamline transactions and financing for complex renewable energy assets, such as M&A, project finance, and tax equity deals. It processes massive document volumes to extract key insights like site risks, offtake details, and market dynamics, enabling faster due diligence for buyers, sellers, IPPs, lenders, and advisors.
- Mar 2026Seed$3M
#6
Series A · Kent, Washington · founded 2007 · 33 employees$12.2Mraised▾
PowerLight is developing wireless power delivery systems using laser beams to transmit electricity without wires, for applications. They have developed a two-part hardware system, consisting of a transmitter and a receiver. The mobile transmitter is capable of delivering tens to thousands of watts of DC power to electric drones (fixed wing or VTOL), over a distance of hundreds of feet to miles away. This ground-to-air recharging will both power the drone and charge the on-board battery while in flight. The transmitter may be based in an SUV, van or other mobile platform or on a static platform or building. The receiver is mounted on the drone and tied into its power system. Winner of 2009 NASA-sponsored Power Beaming competition.
#7
Series D · Seattle, Washington · founded 2016 · 146 employees$137.3Mraised▾
Online renewable energy PPA marketplace. It offers a renewable energy transaction platform connecting power buyers to PPAs from utility-scale wind, solar, and storage projects. The PPA product enables customers of various sizes to access the financial security of fixed-price renewables, economic benefits of at-scale projects, portfolio advantages of geographic & resource diversity, and sophisticated analysis of respected wholesale market experts.
- Jul 2024Series D$65M
- Nov 2023Series C$10M
- Aug 2021Series C$35M
- Jun 2019Series B$20.5M
#8
Series B · Bothell, Washington · founded 2015 · 63 employees$72.8Mraised▾
Provider of hydrogen generation solutions. This company is developing cutting-edge technology to locally decarbonize natural gas and produce clean hydrogen. It provides decarbonized natural gas and clean hydrogen for power generation, process heating, and space heating. The company's technology produces pure hydrogen inside a building or home while capturing emissions, which could aid in the decarbonization of heating systems.
- Nov 2024Conventional Debt$25M
- Mar 2023Series B$32.8M
- Dec 2021Series B$30M
- 2020Series A—
#9
Series A · Seattle, Washington · founded 2023 · 6 employees$7.8Mraised▾
Green hydrogen production. It provides thermodynamic and dual production approach solutions for the production of hydrogen.
- Jul 2025Series A$7.5M
- Jul 2024Grant (prize money)$500K
- Sep 2023Seed$7.8M
#10
Series B · Seattle, Washington · founded 2015 · 21 employees$60.7Mraised▾
Manufacturer of modular smart lighting systems and related accessories. The company provides smart switches, dimmers, plugs, and simple switches, including motion sensor, nightlight, timer, and ceiling fan controllers. It also offers whole-home solutions, backplates, and faceplates. The company's lighting systems allow users to personalize lighting based on lifestyle.
- Jun 2024Series B$3.4M
- Oct 2022Series B$13.4M
- Mar 2021Series B$12.5M
- May 2020Series B$751.1K
#11
Series B · Seattle, Washington · founded 2019 · 34 employees$32.8Mraised▾
Provider of SaaS-driven inspection management services for professionals and homeowners. Solutions are provided for inspectors, real estate professionals, and home buyers. Users can book home inspections by providing the address or the location of the house.
- Sep 2024Series B$15.5M
- Jul 2023Series A$5.8M
- Nov 2021Series A$11.4M
- Aug 2020Seed$150K
#12
Series A · Seattle, Washington · founded 2015 · 30 employees$10.8Mraised▾
Provider of wireless charging solutions for industrial robots. Their solution includes a development kit hardware for wireless charging, coupled with a wireless battery management system and fleet-level power management software. They have developed a proprietary Adaptive Wireless charging technology that provides a greater range of up to three times the diameter of the transmitting coil and efficiency. The product is currently available as a development kit which enables it to be integrated into robotic projects.
- Dec 2024Series A$2.7M
- May 2022Series A$2.1M
- Aug 2019Series A$5.7M
- Aug 2018Seed$530K
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
How research on Energy Storage in Washington is moving
A read on the academic research around Energy Storage in Washington — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 92 papers.
University of Washington, Washington University in St. Louis, and Washington State University lead Washington's energy-storage research, predominantly advancing battery materials and supercapacitor technologies with a cautiously optimistic tone.
- University of Washington35
- Washington University in St. Louis18
- Washington State University17
- George Washington University10
- Washington State University Vancouver4
- Battery (electricity)1→8
- Battery (electricity)3→7
- Wind power1→4
- Anode1→4
- Cathode1→4
- Carbon fibers1→3
- Nanotechnology4
- Battery (electricity)3
- Electrolyte2
- Energy density2
- Lithium (medication)2
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.