Radar · Energy in Washington
Best Energy Companies in Washington, United States
The 138 best Energy companies in Washington, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: TerraPower.
By Rohit KhannaTrends & Stories
138companies tracked
$2.1Bdisclosed funding
1unicorns
32have raised
FLIAR INTELLIGENCE · ENERGY × WASHINGTON
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.
171companies analysed
82%cloud-native stacks
2025funding peak (by rounds)
2unicorns
2015median founding year
362kcombined LinkedIn audience
74%of audience held by top 3
2companies hiring publicly (12 mo)
Ranked: Best Energy companies in Washington
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | TerraPower Designer of nuclear reactors 60Funding top 18%Patents top 20%Moat top 29%Innovation top 30% All 11 signals ▾Fundingtop 18% Patentstop 20% Moattop 29% Innovationtop 30% Growthtop 38% Partnerstop 46% Markettop 47% Talentbottom 49% Globalbottom 47% Newsbottom 46% Techbottom 29% Funding: Raised $810M across 6 rounds · 6 rounds over 18 yrs (0.3/yr) Patents: 835 patents matched (strict assignee match) · 326 filings since 2022 vs 384 in 2017-21 rank vs industry peers · Fliar Intelligence Index 60/100 | $810M | 12 mo ago | 299 | Christopher Levesque President and CEO | Node.jsThree.jsUnoCSS+5 | 835 patents Advanced nuclear reactor monitoring, fuel recycling, and supercritical CO2 power cycle technologies. | 2 job openings · 1 partnership · 5 expansions |
| 2 | Helion 🦄 Provider of deuterium fuel-based magnetic-nuclear fusion reactor 69Product top 18%Funding top 19%News top 21%Growth top 22% All 11 signals ▾Producttop 18% Fundingtop 19% Newstop 21% Growthtop 22% Moattop 26% Talenttop 30% Innovationtop 34% Markettop 46% Partnersbottom 43% Globalbottom 37% Techbottom 32% Product: 7 distinct product lines · Company stage: Series F Funding: Raised $552M across 7 rounds · 7 rounds over 15 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 69/100 | $552M | 16 mo ago | 44 | George Votroubek Co-Founder | WordPressApple iCloud MailMicrosoft 365+20 | — | — |
| 3 | Zap Energy Developer of nuclear energy projects | $330M | 23 mo ago | 124 | — | WebflowVimeoGSAP+17 | — | — |
| 4 | Imperium Renewables Manufactures unblended biodiesel | $113M | 141 mo ago | 63 | Randy Howard CEO | — | — | — |
| 5 | USNC Manufacturer of micro modular reactors | $47M | 22 mo ago | 50 | Francesco Venneri CEO | GhostNode.jsVimeo+17 | — | — |
| 6 | Avalanche Developer of energy-dense fusion microreactors for clean power generation 50Funding top 30%Patents top 30%Talent top 38%Innovation top 39% All 10 signals ▾Fundingtop 30% Patentstop 30% Talenttop 38% Innovationtop 39% Techtop 40% Moattop 41% Growthtop 48% Globalbottom 43% Newsbottom 39% Marketbottom 22% Funding: Raised $45.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) Patents: 604 patents matched (strict assignee match) · 41 filings since 2022 vs 133 in 2017-21 rank vs industry peers · Fliar Intelligence Index 50/100 | $45M | 5 mo ago | — | Robin Langtry Co-Founder & CEO | Node.jsHeadless UITailwind CSS+11 | 604 patents Magnetic nonvolatile memory (MRAM) devices, dual-layer cells, selectors, and packaging solutions | — |
| 7 | Targeted Growth Crop manufacturing company | $41M | 153 mo ago | 18 | Jim Roberts Founder | — | 108 patents Patents concentrated in chemistry & materials | — |
| 8 | Itek Energy Solar energy solutions: installation, maintenance, off-grid systems, and educational resources | $40M | 93 mo ago | — | John Flanagan Founder | WordPress Block EditorElementorWordPress+39 | — | — |
| 9 | AltaRock Energy Developer of enhanced geothermal systems for clean energy production | $26M | 98 mo ago | 24 | — | — | 62 patents Patents concentrated in construction | — |
| 10 | OneEnergy Renewables Develops solar projects | $16M | 86 mo ago | 36 | — | RubyUbuntuZURB Foundation+16 | — | 1 partnership |
| 11 | Nuovo Pignone Manufacturer of valves for oil and gas industry 19Patents top 25%Product top 26%Innovation top 35%Moat top 45% All 11 signals ▾Patentstop 25% Producttop 26% Innovationtop 35% Moattop 45% Fundingbottom 45% Partnersbottom 43% Globalbottom 40% Techbottom 37% Marketbottom 33% Newsbottom 17% Growthbottom 10% Patents: 46 patents matched (strict assignee match) · 6 filings since 2022 vs 6 in 2017-21 Product: 12 distinct product lines · Company stage: Acquired rank vs industry peers · Fliar Intelligence Index 19/100 | $11M | 60 mo ago | — | — | WordPressMySQLPHP+17 | 46 patents Advanced turbomachinery components, gas turbine thermal management, and flow‑control condition monitoring | — |
| 12 | Evergreen Developer of solar energy projects | $6M | 39 mo ago | 9 | Cris Eugster CEO and Co-founder | — | 15 patents Precision crop disease forecasting and UV-based plant treatment systems for agricultural disease control | — |
| 13 | Planetary Power Off-grid hybrid generators | $5M | 120 mo ago | 17 | — | — | — | — |
| 14 | Plas2Fuel Provider of converting plastic into synthetic petroleum services | $3M | 205 mo ago | — | Kevin DeWhitt Founder | — | 3 patents Plastic waste recycling technologies converting polymers into fuel | — |
| 15 | General Biodiesel Manufactures biodiesel from used cooking oil | $2M | 180 mo ago | 12 | Yale Wong Founder & Chairman | — | — | — |
| 16 | Teichos Energy Develops large-scale solar energy projects, providing sustainable energy solutions | $2M | 60 mo ago | — | — | — | — | — |
| 17 | Tuusso Energy Utility-scale solar plant developer minimizing risk and maximizing clean energy competitiveness | $2M | 189 mo ago | 5 | — | — | — | — |
| 18 | Micro Energy Credits Empowering communities with clean energy through carbon finance and microloans | $1M | 138 mo ago | 35 | James Dailey Co-Founder & Director | WordPressMySQLRedis+24 | — | — |
| 19 | Sol-Go Manufacturer of flexible solar panels designed for various applications | $1M | 47 mo ago | — | Scott Mchugo CEO and Founder - Sol-Go | WordPressMySQLPHP+14 | — | 1 launch |
| 20 | TRS Provider of thermal remediation and PFAS removal technologies. | $750K | 175 mo ago | 58 | David Fleming Founder & Director | WordPressMySQLPHP+19 | 68 patents Mineral-coated biomaterials for tissue engineering, transdermal drug delivery, and remediation heaters | — |
| 21 | Cbcgllc Provider of energy efficiency solutions | $400K | 86 mo ago | — | — | — | — | — |
| 22 | Astrolabe Analytics Provides cloud computing and machine learning focused software for battery companies | $250K | 72 mo ago | 3 | Robert Masse CEO | — | — | — |
| 23 | RadMax Technologies Provider of rotary power devices for multiple applications | $229K | 85 mo ago | 7 | — | — | — | — |
| 24 | American Mobile Power Systems Manufacturer of lithium polymer batteries | $200K | 183 mo ago | — | Jay Fuhr CEO | — | — | — |
| 25 | Differential Energy Global LED lamps for HID systems | $150K | 151 mo ago | — | Richard Flaherty President & CEO | — | — | — |
| 26 | CTFusion Online gambling blog providing insights and reviews of slot games | $148K | 95 mo ago | 3 | Derek Sutherland Co-Founder & CEO | — | — | — |
| 27 | Greenwood Clean Energy Clean and efficient wood-fired central heating systems for homes and businesses | $120K | 167 mo ago | — | German Burtscher Co-Founder & CEO | — | — | — |
Top 12 Energy companies in Washington
#1
Series D · Bellevue, Washington · founded 2006 · 299 employees$810Mraised▾
Series D · Bellevue, Washington · founded 2006 · 299 employees
Designer of nuclear reactors. The portfolio includes IV traveling wave reactor (TWR) that offers a safe and economic form of low-carbon energy that meets baseload demand for electricity. The company is also investigating a molten salt reactor(MSR) as an alternative technology.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 18%Patents
top 20%Moat
top 29%Innovation
top 30%Growth
top 38%Partners
top 46%Funding: Raised $810M across 6 rounds · 6 rounds over 18 yrs (0.3/yr) · Last round Series D (Jun 2025)
Patents: 835 patents matched (strict assignee match) · 326 filings since 2022 vs 384 in 2017-21 · Latest publication 2026
Moat: Editorial + unicorn rating 7/10 · IP moat: 835 patents · 9 curated direct competitors tracked
Audience (LinkedIn): 86k LinkedIn followers — 23.8% of this cohort's audience · 93 engagements/post (1.7× cohort median)
Hiring (LinkedIn): 2 hiring posts in 12 mo (public) · momentum +2 · hiring: Control Systems Engineer, Nuclear Analysis Engineer
Activity (LinkedIn): 1 partnerships · 5 expansions (incl. HD Hyundai & Hyundai Engineering & Construction Co.,Ltd.) announced in 12 mo
Funding rounds
- Jun 2025Series D$650M
- Nov 2022Series C$80M
- Aug 2022Series C$750M
- Mar 2022Grant (prize money)$8.6M
Founders & team
Investors
DOE, CRV, Khosla Ventures, ArcelorMittal, SK, SK Innovation
Tech stack
Apache Http ServerGsapLenisNode.JsNuxt.JsThree.Js
#2
Series A · Tukwila, Washington · founded 2018$45Mraised▾
Series A · Tukwila, Washington · founded 2018
Avalanche Fusion is a Seattle-based start-up developing fusion microreactors for clean power generation. They are developing the world's first fusion microreactor, called the Orbitron, which is markedly different from other fusion reactors as its fusion core can be held in your hands. They have received a $275K grant from the National Science Foundation (NSF) to study the efficiency of their Orbitron fusion device.
Fliar Intelligence Index™ 50how this company ranks against its industry peers
Funding
top 30%Patents
top 30%Talent
top 38%Innovation
top 39%Tech
top 40%Moat
top 41%Funding: Raised $45.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) · Last round Series A (Dec 2025)
Patents: 604 patents matched (strict assignee match) · 41 filings since 2022 vs 133 in 2017-21 · Latest publication 2026
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Funding rounds
- Dec 2025Series A$29M
- Jul 2025Grant (prize money)$10M
- Sep 2023Grant (prize money)$274.9K
- Aug 2022Series A$40M
Founders & team
Investors
Lowercarbon Capital, Founders Fund, Toyota Ventures, Azolla Ventures, Congruent Ventures, Grantham Foundation
Tech stack
CloudflareGoogle AnalyticsGoogle Font ApiGoogle Hosted LibrariesGoogle WorkspaceHsts
#3
Helion 🦄Series F · Everett, Washington · founded 2010 · 44 employees$552.1Mraised▾
Helion 🦄
Series F · Everett, Washington · founded 2010 · 44 employees
Provider of deuterium fuel-based magnetic-nuclear fusion reactor. A plasma generated from deuterium & helium is accelerated by pulsed magnetic fields to fuse the nuclei resulting in the release of high temperature. Heat energy is used to generate power.
Fliar Intelligence Index™ 69how this company ranks against its industry peers
Product
top 18%Funding
top 19%News
top 21%Growth
top 22%Moat
top 26%Talent
top 30%Product: 7 distinct product lines · Company stage: Series F
Funding: Raised $552M across 7 rounds · 7 rounds over 15 yrs (0.5/yr) · Last round Series F (Jan 2025)
News: 7 BI events in 12 mo (of 31 tracked, 8 types) · +133% YoY · 3 high-value events (IPO/M&A/funding/contracts) in 12 mo
Audience (LinkedIn): 61k LinkedIn followers — 16.8% of this cohort's audience
Funding rounds
- Jan 2025Series F$425M
- Nov 2021Series E$500M
- Sep 2020Series D$40M
- Jun 2015Series B$10.6M
Founders & team
Investors
DOE, NASA, Defense.gov, Y Combinator, Mithril, Capricorn
Tech stack
AosApache Http ServerApple Icloud MailBootstrapCookiebotCore-Js
#4
Series D · Everett, Washington · founded 2017 · 124 employees$330Mraised▾
Series D · Everett, Washington · founded 2017 · 124 employees
Developer of nuclear energy projects
LinkedIn Pulse recent public activity · Jul 2026
Audience: 20k LinkedIn followers — 5.5% of this cohort's audience
Funding rounds
- Jul 2024Series D$130M
- Jun 2022Series C$162.6M
- Apr 2021Series B$27.5M
- Aug 2020Series A$6.5M
Investors
Soros Fund Management, BAM Elevate, Emerson Collective, Leitmotif, Mizuho Financial Group, Chevron Technology Ventures
Tech stack
Amazon CloudfrontAmazon S3Amazon Web ServicesCdnjsCloudflareCloudflare Bot Management
#5
Series B · Seattle, Washington · founded 2011 · 50 employees$47.4Mraised▾
Series B · Seattle, Washington · founded 2011 · 50 employees
Manufacturer of micro modular reactors. They also manufacture their own advanced fuel
Funding rounds
- Aug 2024Grant (prize money)$385.1K
- May 2023Grant (prize money)$174.9K
- Jun 2022Grant (prize money)$199.4K
- Jan 2022Series B$30M
Founders & team
Investors
Europa, Hyundai Engineering & Construction, OSTI
Tech stack
GhostNode.JsVimeoVarnishNginxOpenresty
#6
Acquired · Seattle, Washington · founded 2004 · 63 employees$113Mraised▾
Acquired · Seattle, Washington · founded 2004 · 63 employees
Manufactures unblended biodiesel
Funding rounds
- Sep 2014Grant (prize money)$380.4K
- Sep 2011Grant (prize money)$1.7M
- Dec 2009Grant (prize money)$333.7K
- Feb 2007Venture Debt$101M
Founders & team
Investors
Technology Partners, Nth Power, Ardsley Partners, Attractor Ventures, BlackRock, Capricorn
#7
Seed · Seattle, Washington · founded 2021 · 9 employees$6.1Mraised▾
Seed · Seattle, Washington · founded 2021 · 9 employees
Developer of solar energy projects
LinkedIn Pulse recent public activity · Jul 2026
Audience: 2k LinkedIn followers
Funding rounds
- Mar 2023Seed$6.1M
Founders & team
Investors
Designer Fund, Pioneer Square Labs, Baker Tilly, Fin Capital, City Light Capital, Climate Capital
#8
Acquired · Ferndale, Washington · founded 2004$10.7Mraised▾
Acquired · Ferndale, Washington · founded 2004
Manufacturer of valves for oil and gas industry
Fliar Intelligence Index™ 19how this company ranks against its industry peers
Patents
top 25%Product
top 26%Innovation
top 35%Moat
top 45%Funding
bottom 45%Partners
bottom 43%Patents: 46 patents matched (strict assignee match) · 6 filings since 2022 vs 6 in 2017-21 · Latest publication 2025
Product: 12 distinct product lines · Company stage: Acquired
Innovation: 46 patents (top 33% of patent-holders) · 6 filings since 2022 vs 6 in 2017-21 · 12 product lines
Funding rounds
- Jun 2021Grant (prize money)$7.6M
- Jan 2021Grant (prize money)$47.4K
- Oct 2020Grant (prize money)$1.6M
- Jan 2018Grant (prize money)$1.1M
Investors
Europa
Tech stack
WordpressMysqlPhpJetpackContact Form 7Yoast Seo
#9
Series C · Bellingham, Washington · founded 2011$40Mraised▾
Series C · Bellingham, Washington · founded 2011
Solar energy solutions: installation, maintenance, off-grid systems, and educational resources. We provide comprehensive solar energy services, including solar panel installation, solar system maintenance, and off-grid solar solutions for homes and businesses. We empower individuals and organizations with the knowledge to understand and adopt solar energy through educational resources. Our services include assessments and feasibility studies to maximize solar potential and optimize energy savings. We are committed to delivering top-quality solar solutions with a focus on efficiency, reliability, and customer satisfaction. We design tailored solar systems using premium solar panels, batteries, and inverters. We offer personalized consultations to discuss specific needs and provide advice on solar energy benefits and cost savings. We also provide insights on solar panels, solar battery storage, energy efficiency, and renewable energy.
Funding rounds
- Aug 2018Series C$40M
Founders & team
Investors
Silfab Solar
Tech stack
Adobe Audience ManagerAmazon AdvertisingAmazon AlbAmazon S3Amazon Web ServicesAppnexus
#10
Series B · Seattle, Washington · founded 2009 · 36 employees$15.9Mraised▾
Series B · Seattle, Washington · founded 2009 · 36 employees
Develops solar projects
LinkedIn Pulse recent public activity · Jul 2026
Audience: 9k LinkedIn followers — 2.4% of this cohort's audience
Activity: 1 partnerships (incl. PNW institution) announced in 12 mo
Funding rounds
- Apr 2019Conventional Debt$200K
- Jul 2017Series B$3.6M
- Apr 2017Series B$4.7M
- Mar 2017Conventional Debt$2M
Investors
Northwest Energy Angels, Element 8, Ecosystem Integrity Fund, E8, Plateau Ventures, West Coast Clean Tech
Tech stack
Apache Http ServerCloudflareCloudflare Bot ManagementGodaddyGoogle AdsenseGoogle Analytics
#11
Deadpooled · Seattle, Washington · founded 1998 · 18 employees$40.6Mraised▾
Deadpooled · Seattle, Washington · founded 1998 · 18 employees
Operator of an agricultural biotechnology company intended to focus on developing products to increase the fertility of crops. The company's crop biotechnology increases the yields in multiple crops and it focuses on crops such as corn, soy, and canola that produce the raw material, enabling farmers to use them for the production of renewable fuels such as ethanol and biodiesel.
Founders & team
Investors
Capricorn Holdings, AllianceBernstein, GrowthWorks Capital, Integra Ventures, Washington Research Foundation, Denny Hill Capital
#12
Series B · Seattle, Washington · founded 2007 · 24 employees$26.3Mraised▾
Series B · Seattle, Washington · founded 2007 · 24 employees
Developer of enhanced geothermal systems for clean energy production. It focuses on superhot rock geothermal energy extraction, developing advanced drilling, well completion, and reservoir development technologies. This involves creating new materials and methods for high-temperature environments and optimizing wellfield systems for long-term, sustainable energy generation. The company also works on system integration to ensure the efficient and cost-effective deployment of these technologies. Research and development efforts include collaborations with national laboratories and universities to advance drilling techniques and improve energy conversion methods.
Investors
Advanced Technology Ventures, Khosla Ventures, Google.org, Vulcan Capital, Kleiner Perkins, OSTI
Tech stack
WordpressMysqlPhpChart.JsBootstrapEssential Addons For Elementor
Funding & investor landscape
$2.1Btotal disclosed funding
30companies funded
75disclosed rounds
0rounds last 90 days
Most active investors
Notable founders
Christopher Levesque
President and CEO · TerraPower
Robin Langtry
Co-Founder & CEO · Avalanche
Brian Riordan
Co-Founder · Avalanche
George Votroubek
Co-Founder · Helion
David Kirtley
Co-Founder & CEO · Helion
Francesco Venneri
CEO · USNC
Randy Howard
CEO · Imperium Renewables
Cris Eugster
CEO and Co-founder · Evergreen
Michael Leggett
Co-Founder & CPO · Evergreen
John Flanagan
Founder · Itek Energy
Robert A Woods
CEO · Targeted Growth
Jim Roberts
Founder · Targeted Growth
Prism market signals · United States · country-scoped Prism corpus, 1,994,997 docs
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
RESEARCH IN WASHINGTON · Energy
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 State University, and Washington University in St. Louis lead battery materials and supercapacitor research across 92 papers, with advancement-focused findings (54) and a cautiously optimistic tone (0.52).
92 papers · stance +0.52 · 25% breakthrough · 11% concern
top institutions
- University of Washington35
- Washington University in St. Louis18
- Washington State University17
- George Washington University10
- Washington State University Vancouver4
leading researchers
Daniel S. Kirschen · Guozhong Cao · Bolun Xu · Payman Dehghanian · Peng Bai · Chaofeng Liu
prism intelligence · tone & topics
95% positive · 0% critical tone
BusinessEnvironmentSustainabilityTransportationFinanceMaterials Science
▲
Breakthroughs21 · 23%
▲ 9%→29% share
▲3.2× share momentum1 median citations81% since 2021mostly methods-led
Battery research is surging — breakthrough-segment papers rose from 1 to 8, with Electrochemistry and Wind power newly emerging.
rising sub-themes (early→recent)
- Battery (electricity)1→8
Newly emergingLithium (medication) 0→5 · Electrochemistry 0→4 · Wind power 0→4
Landmark A Self‐Charging Power Unit by Integration of a Textile Triboelectric Nanogenerator and a Flexible Lithium‐Ion Battery fo · 726 cites
◆
Advancements54 · 59%
▼ 65%→57% share
▼0.9× share momentum3 median citations61% since 2021mostly methods-led
Electrolyte research newly dominates advancements — entering at 7 papers alongside Anode and Cathode each tripling from 1 to 4.
rising sub-themes (early→recent)
- Battery (electricity)3→7
- Wind power1→4
- Anode1→4
- Cathode1→4
- Carbon fibers1→3
Newly emergingElectrolyte 0→7 · Photovoltaic system 0→3 · Automotive engineering 0→3
Landmark Active Materials for Aqueous Zinc Ion Batteries: Synthesis, Crystal Structure, Morphology, and Electrochemistry · 1,673 cites
▼
Concerns9 · 10%
▼ 22%→7% share
▼0.3× share momentum174 median citations44% since 2021mostly reviews
Concern-segment field-share collapsed from 22% to 7%, yet Nanotechnology and Battery concerns persist with 4 and 3 papers respectively.
rising sub-themes (early→recent)
- Nanotechnology4
- Battery (electricity)3
- Electrolyte2
- Renewable energy2
- Electronics2
Landmark Making Li‐Air Batteries Rechargeable: Material Challenges · 536 cites
Common questions
How many Energy companies are there in Washington, United States?
Radar tracks 138 indexable Energy companies headquartered in Washington, United States that meet our profile-completeness bar.
What is the total funding raised by Energy companies in Washington, United States?
The Energy companies in Washington, United States on this list have raised a combined $2.1B in disclosed equity funding across 30 funded companies.
Which is the highest-funded Energy company in Washington, United States?
TerraPower is the highest-funded Energy company in Washington, United States, with $810M in disclosed equity funding.
How many Energy companies in Washington, United States are funded?
30 of the 138 Energy companies in Washington, United States on this list have disclosed at least one equity funding round.
How many Energy unicorns are there in Washington, United States?
1 Energy company in Washington, United States on this list is valued at $1B or more.
Who are the top investors in Washington, United States Energy companies?
The most active investors in Washington, United States Energy companies on this list include OSTI, E8, Cascadia CleanTech Accelerator, DOE, Element 8.
Rohit KhannaTrends & Stories
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.