Best Energy Tech Companies in California, United States
The 1595 best Energy Tech companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Rivian.
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 California
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Rivian 🦄 Manufacturer of off-road electric pickup trucks for adventure 90Tech top 9%Patents top 10%Market top 17%Funding top 18% All 13 signals ▾Techtop 9% Patentstop 10% Markettop 17% Fundingtop 18% Innovationtop 22% Moattop 26% Partnerstop 29% Newstop 37% Globaltop 37% Growthtop 42% Producttop 42% Fin. healthtop 44% Customerstop 46% Tech: 83 technologies across 7/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Patents: 2,609 patents matched (strict assignee match) · 2347 filings since 2022 vs 262 in 2017-21 rank vs industry peers · Fliar Intelligence Index 90/100 | $10.5B | 11 mo ago | 16,790 16,790 → 12,044 (-28%) · sector median +19% | — | ContentfulApple iCloud MailTypeScript+36 | 2,609 patents Electric vehicle powertrain, charging systems, and advanced vehicle perception/control technologies | 1 launch |
| 2 | Faraday Future Manufacturer of electric cars 62Funding top 14%AI top 15%Tech top 28%News top 28% All 14 signals ▾Fundingtop 14% AItop 15% Techtop 28% Newstop 28% Moattop 29% Patentstop 33% Innovationtop 38% Producttop 39% Partnerstop 42% Talentbottom 49% Marketbottom 48% Growthbottom 46% Globalbottom 42% Fin. healthbottom 28% Funding: Raised $3.2B across 19 rounds · 19 rounds over 9 yrs (2.1/yr) AI: Holds AI/ML patents (G06N-family CPC) rank vs industry peers · Fliar Intelligence Index 62/100 | $3.2B | 2 mo ago | 586 586 → 550 (-6%) · sector median +19% | Matthias Aydt Global CEO | DrupalApple iCloud MailMicrosoft 365+22 | 674 patents Patents concentrated in electrical & electronics | — |
| 3 | Nuro 🦄 Developer of autonomous driving technology for automakers and mobility providers 89Funding top 13%AI top 20%Growth top 22%Moat top 22% All 13 signals ▾Fundingtop 13% AItop 20% Growthtop 22% Moattop 22% Patentstop 23% Newstop 26% Markettop 32% Talenttop 34% Partnerstop 37% Innovationtop 38% Producttop 41% Techtop 42% Globalbottom 42% Funding: Raised $2.1B across 6 rounds · 6 rounds over 8 yrs (0.8/yr) AI: Classified as an AI company rank vs industry peers · Fliar Intelligence Index 89/100 | $2.1B | 9 mo ago | 1,005 1,005 → 1,117 (+11%) · sector median +19% | Dave Ferguson Co-Founder & Co-CEO | SentryApple iCloud MailGoogle Workspace+18 | 294 patents Autonomous vehicle sensing, diagnostics, control, and communication systems integration | 1 internship · 1 partnership · 1 expansion |
| 4 | Archer 🦄 Developer of electric vertical takeoff and landing aircraft for commercial use 67Funding top 18%Partners top 21%Growth top 24%Tech top 25% All 12 signals ▾Fundingtop 18% Partnerstop 21% Growthtop 24% Techtop 25% Innovationtop 28% Moattop 31% Producttop 32% Newstop 34% Markettop 47% Globalbottom 46% Talentbottom 40% Fin. healthbottom 26% Funding: Raised $1.5B across 5 rounds · 5 rounds over 3 yrs (1.7/yr) Partners: 3 partnership announcements in 12 mo (6 in 24 mo) · 15 contract events in 12 mo rank vs industry peers · Fliar Intelligence Index 67/100 | $1.5B | 6 mo ago | 424 | Brett Adcock Co-Founder | PrismicApple iCloud MailNode.js+19 | — | 1 job opening |
| 5 | Lucid 🦄 Manufacturer of electric vehicles and related technologies for consumer markets 83Market top 16%Funding top 16%Tech top 21%Moat top 26% All 14 signals ▾Markettop 16% Fundingtop 16% Techtop 21% Moattop 26% Talenttop 28% Fin. healthtop 33% Patentstop 36% Newstop 39% Producttop 39% Growthtop 40% Globaltop 40% Partnerstop 40% Innovationbottom 49% Customersbottom 44% Market: 6,500 employees (top 7% of Energy Tech) · Revenue ~$1.4B Funding: Raised $1.1B across 9 rounds · 9 rounds over 17 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 83/100 | $1.1B | 2 mo ago | 6,500 6,500 → 7,722 (+19%) · sector median +19% | Peter Rawlinson CEO and CTO | DrupalApple iCloud MailPHP+26 | 114 patents Handheld confocal microscopy and AI-generated synthetic imaging for tissue diagnostics | — |
| 6 | Redaptive 🦄 Provider of fully-funded energy efficiency and sustainability solutions. 60Funding top 16%Moat top 26%Product top 30%Market top 37% All 9 signals ▾Fundingtop 16% Moattop 26% Producttop 30% Markettop 37% Talenttop 38% Globaltop 48% Techtop 49% Growthbottom 40% Newsbottom 21% Funding: Raised $726M across 11 rounds · 11 rounds over 11 yrs (1.0/yr) Moat: Editorial + unicorn rating 9/10 · Unicorn rank vs industry peers · Fliar Intelligence Index 60/100 | $726M | 13 mo ago | 326 | Arvin Vohra Co-Founder & CEO | WordPressMySQLPHP+27 | — | — |
| 7 | Joby Aviation Manufacturer of electric vertical takeoff and landing aircraft 69Partners top 15%Product top 18%Funding top 25%Growth top 26% All 13 signals ▾Partnerstop 15% Producttop 18% Fundingtop 25% Growthtop 26% Moattop 32% Techtop 33% Newstop 33% Markettop 37% Fin. healthtop 46% Globaltop 47% Talentbottom 49% Innovationbottom 46% Patentsbottom 39% Partners: 5 partnership announcements in 12 mo (7 in 24 mo) · 15 contract events in 12 mo Product: 1 product launch event in 12 mo, 1 the year before · Company stage: Public rank vs industry peers · Fliar Intelligence Index 69/100 | $690M | 12 mo ago | 1,777 1,777 → 2,088 (+18%) · sector median +19% | Joeben Bevirt Founder & CEO | Apache HTTP ServerCloudflareKlaro+13 | 23 patents Electric VTOL aircraft with pivoting/stowing rotors that mimic rigid-wing aerodynamics | 2 partnerships · 1 expansion |
| 8 | Zero Motorcycles Manufacturer of electric motorcycles, related accessories, and associated merchandise 74Funding top 13%Tech top 25%Moat top 28%News top 29% All 12 signals ▾Fundingtop 13% Techtop 25% Moattop 28% Newstop 29% Innovationtop 32% Growthtop 32% Producttop 32% Patentstop 33% Markettop 46% Talentbottom 49% Globalbottom 44% Customersbottom 44% Funding: Raised $554M across 55 rounds · 55 rounds over 19 yrs (2.9/yr) Tech: 52 technologies across 5/8 capability areas · Cloud: Amazon Web Services, Cloudflare rank vs industry peers · Fliar Intelligence Index 74/100 | $554M | 1 mo ago | 224 | Sam Paschel CEO | PrismicSentryApple iCloud Mail+29 | 55 patents Electric motorcycle powertrain control, cooling, and braking systems | — |
| 9 | Mainspring Energy Developer of onsite linear power generators 82Patents top 16%Funding top 18%Innovation top 21%Moat top 24% All 10 signals ▾Patentstop 16% Fundingtop 18% Innovationtop 21% Moattop 24% Talenttop 28% Growthtop 32% Techtop 36% Markettop 45% Globalbottom 47% Newsbottom 18% Patents: 166 patents matched (strict assignee match) · 113 filings since 2022 vs 52 in 2017-21 Funding: Raised $518M across 5 rounds · 5 rounds over 9 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 82/100 | $518M | 14 mo ago | 114 | Matt Svrcek Co-Founder & CTO | Craft CMSBugHerdApple iCloud Mail+20 | 166 patents Patents concentrated in mechanical & energy engineering | — |
| 10 | ALSO 🦄 Manufacturer of electric bikes, quadricycles, helmets, gear, and accessories 76Funding top 17%Growth top 28%Market top 34%Tech top 37% All 6 signals ▾Fundingtop 17% Growthtop 28% Markettop 34% Techtop 37% Talentbottom 49% Globalbottom 33% Funding: Raised $505M across 3 rounds · 3 rounds over 1 yrs (3.0/yr) Growth: Web rank 5,000,000 → 1,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 76/100 | $505M | 2 mo ago | — | Chris Yu Co-Founder | Cart FunctionalityShopifyApple iCloud Mail+30 | — | 1 award |
| 11 | EnerVenue Manufacturer of metal-hydrogen batteries for grid-scale, commercial, and residential applications 72Growth top 15%News top 21%Funding top 23%Patents top 24% All 10 signals ▾Growthtop 15% Newstop 21% Fundingtop 23% Patentstop 24% Innovationtop 26% Moattop 26% Talentbottom 48% Marketbottom 47% Techbottom 42% Globalbottom 42% Growth: Fresh capital in last 24 mo News: 7 BI events in 12 mo (of 20 tracked, 5 types) · +600% YoY rank vs industry peers · Fliar Intelligence Index 72/100 | $445M | 2 mo ago | 225 | Yi Cui Founder | WordPress Block EditorWordPressMySQL+20 | 82 patents Metal‑hydrogen rechargeable batteries and hydrogen containment systems | — |
| 12 | Fervo Energy Developer of next-generation geothermal projects delivering carbon-free energy 57Funding top 8%Talent top 34%News top 39%Partners top 45% All 9 signals ▾Fundingtop 8% Talenttop 34% Newstop 39% Partnerstop 45% Growthtop 47% Techtop 48% Moattop 48% Marketbottom 44% Globalbottom 39% Funding: Raised $420M across 12 rounds · 12 rounds over 5 yrs (2.4/yr) Talent: Analyst team rating 4/5 · 2 named leaders on record rank vs industry peers · Fliar Intelligence Index 57/100 | $420M | 3 mo ago | 49 | Jack Norbeck Co-Founder and CTO | WordPressApple iCloud MailMicrosoft 365+25 | — | 1 launch · 3 partnerships |
| 13 | Lyten Provider of lithium sulphur ion batteries 76Patents top 11%Funding top 20%Innovation top 24%Growth top 24% All 12 signals ▾Patentstop 11% Fundingtop 20% Innovationtop 24% Growthtop 24% Newstop 25% Talenttop 28% Moattop 35% Producttop 36% Partnerstop 41% Markettop 49% Techbottom 46% Globalbottom 42% Patents: 703 patents matched (strict assignee match) · 495 filings since 2022 vs 208 in 2017-21 Funding: Raised $410M across 4 rounds · 4 rounds over 3 yrs (1.3/yr) rank vs industry peers · Fliar Intelligence Index 76/100 | $410M | 10 mo ago | 219 219 → 464 (+112%) · sector median +19% | William Wraith Co-Founder | WordPressApple iCloud MailMicrosoft 365+23 | 703 patents Patents concentrated in computing, sensing & instrumentation | 1 launch · 1 award |
| 14 | Ensurge Developer of energy storage solutions for wearable devices 50Funding top 15%News top 30%Growth top 34%Tech top 37% All 9 signals ▾Fundingtop 15% Newstop 30% Growthtop 34% Techtop 37% Globaltop 48% Talentbottom 49% Fin. healthbottom 46% Marketbottom 28% Moatbottom 24% Funding: Raised $349M across 24 rounds · 24 rounds over 4 yrs (6.0/yr) News: 6 BI events in 12 mo (of 16 tracked, 6 types) · +100% YoY rank vs industry peers · Fliar Intelligence Index 50/100 | $349M | 11 mo ago | 39 39 → 64 (+64%) · sector median +19% | Lars Eikeland CEO | Milestone CMSSite Search 360Microsoft ASP.NET+16 | — | 1 partnership |
| 15 | Natron Energy Manufacturer of sodium-ion batteries for commercial and industrial power applications 69Innovation top 25%Patents top 26%Moat top 26%Funding top 31% All 10 signals ▾Innovationtop 25% Patentstop 26% Moattop 26% Fundingtop 31% Growthtop 32% Talenttop 38% Techtop 43% Marketbottom 45% Globalbottom 42% Newsbottom 37% Innovation: 110 patents (top 36% of patent-holders) · 80 filings since 2022 vs 30 in 2017-21 Patents: 110 patents matched (strict assignee match) · 80 filings since 2022 vs 30 in 2017-21 rank vs industry peers · Fliar Intelligence Index 69/100 | $318M | 13 mo ago | 173 | Colin Wessells Founder & Chief Technology & Product Officer | StatamicPHPSalesforce+17 | 110 patents Patents concentrated in electrical & electronics | — |
| 16 | SPAN Smart energy management technology platform that modernizes residential electrical systems 82Funding top 13%Innovation top 18%Patents top 20%Growth top 28% All 11 signals ▾Fundingtop 13% Innovationtop 18% Patentstop 20% Growthtop 28% Moattop 28% Producttop 35% Talenttop 38% Techtop 42% Customerstop 42% Markettop 43% Globalbottom 42% Funding: Raised $231M across 10 rounds · 10 rounds over 8 yrs (1.2/yr) Innovation: 78 patents (top 21% of patent-holders) · 64 filings since 2022 vs 14 in 2017-21 rank vs industry peers · Fliar Intelligence Index 82/100 | $231M | 5 mo ago | 220 | Jireh Seow Co-Founder | WebflowApple iCloud MailGoogle Workspace+22 | 78 patents Smart electrical panel and load management systems for residential/commercial energy control | 1 job opening |
| 17 | Enovix Battery cells developer for lithium-ion batteries 76Innovation top 14%Patents top 17%Growth top 25%Talent top 28% All 12 signals ▾Innovationtop 14% Patentstop 17% Growthtop 25% Talenttop 28% Newstop 29% Fundingtop 30% Moattop 33% Techtop 44% Markettop 47% Globalbottom 45% Fin. healthbottom 44% Partnersbottom 34% Innovation: 391 patents (top 13% of patent-holders) · 240 filings since 2022 vs 95 in 2017-21 Patents: 391 patents matched (strict assignee match) · 240 filings since 2022 vs 95 in 2017-21 rank vs industry peers · Fliar Intelligence Index 76/100 | $220M | 14 mo ago | 332 332 → 517 (+56%) · sector median +19% | Harrold Rust Founder & former CEO Enovix | WordPressDrupalApple iCloud Mail+26 | 391 patents Advanced lithium‑ion battery electrode designs, safety interconnects, and ion‑transport technologies | 1 launch |
| 18 | Antora Manufacturer of thermal battery 50Funding top 22%Growth top 28%Talent bottom 49%Tech bottom 48% All 7 signals ▾Fundingtop 22% Growthtop 28% Talentbottom 49% Techbottom 48% Moatbottom 38% Globalbottom 37% Marketbottom 36% Funding: Raised $200M across 11 rounds · 11 rounds over 6 yrs (1.8/yr) Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 50/100 | $200M | 8 mo ago | — | Andrew Ponec Co-Founder & CEO | VimeoTailwind CSSGSAP+12 | — | — |
| 19 | Frore Systems Developer of thermal management solutions for data centers and electronic devices 72Innovation top 16%Patents top 17%Funding top 18%Moat top 33% All 10 signals ▾Innovationtop 16% Patentstop 17% Fundingtop 18% Moattop 33% Newstop 34% Growthtop 35% Talenttop 38% Marketbottom 48% Techbottom 42% Globalbottom 40% Innovation: 194 patents (top 16% of patent-holders) · 163 filings since 2022 vs 31 in 2017-21 Patents: 194 patents matched (strict assignee match) · 163 filings since 2022 vs 31 in 2017-21 rank vs industry peers · Fliar Intelligence Index 72/100 | $190M | 3 mo ago | 75 | Suryaprakash Ganti Co-Founder & CTO | WebflowVimeocore-js+12 | 194 patents MEMS-enabled active cooling and fluidic actuation for LED and waterproof electronic systems | — |
| 20 | Saildrone Developer of autonomous unmanned surface vehicle 55Funding top 23%Moat top 31%Growth top 35%Tech top 42% All 10 signals ▾Fundingtop 23% Moattop 31% Growthtop 35% Techtop 42% Markettop 47% Talentbottom 49% Patentsbottom 45% Globalbottom 43% Innovationbottom 37% Newsbottom 22% Funding: Raised $190M across 4 rounds · 4 rounds over 10 yrs (0.4/yr) Moat: Editorial + unicorn rating 8/10 · IP moat: 18 patents rank vs industry peers · Fliar Intelligence Index 55/100 | $190M | 13 mo ago | 250 | Richard Jenkins Founder & CEO | WebflowSalesforceGSAP+17 | 18 patents Autonomous unmanned surface vehicles with flexible sensor mounts and square-wing sail propulsion. | 2 job openings · 1 launch |
| 21 | Wildcat Discovery Technologies Developer of advanced materials for rechargeable and primary batteries 74Growth top 13%Funding top 26%Patents top 26%Product top 26% All 10 signals ▾Growthtop 13% Fundingtop 26% Patentstop 26% Producttop 26% Moattop 26% Innovationtop 30% Newstop 39% Talentbottom 49% Marketbottom 47% Globalbottom 44% Growth: Headcount 54 → 122 (+126%) across vintages · Fresh capital in last 24 mo Funding: Raised $184M across 10 rounds · 10 rounds over 18 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 74/100 | $184M | 8 mo ago | 122 122 → 62 (-49%) · sector median +19% | Mark Gresser President & CEO | — | 328 patents Advanced lithium‑ion battery materials, electrolytes, and diagnostic systems for high‑performance cells | 1 partnership |
| 22 | Harbinger Motors Manufacturer offering electric vehicle solutions 64Funding top 21%Talent top 28%Moat top 32%Patents top 34% All 11 signals ▾Fundingtop 21% Talenttop 28% Moattop 32% Patentstop 34% Innovationtop 35% Growthtop 35% Techtop 42% Newstop 43% Marketbottom 39% Globalbottom 39% Partnersbottom 34% Funding: Raised $180M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 64/100 | $180M | 7 mo ago | 52 | William Eberts Co-Founder | WordPressApple iCloud MailGoogle Workspace+26 | 44 patents Electric commercial vehicle powertrain components and safety-integrated battery systems | 1 internship · 1 partnership · 1 award |
| 23 | Arc Boats Manufacturer of electric ships 53Funding top 27%Growth top 35%Tech top 36%Moat top 39% All 9 signals ▾Fundingtop 27% Growthtop 35% Techtop 36% Moattop 39% Producttop 40% Newstop 45% Talentbottom 49% Marketbottom 38% Globalbottom 32% Funding: Raised $137M across 3 rounds · 3 rounds over 5 yrs (0.6/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 53/100 | $137M | 3 mo ago | 55 | Mitch Lee Co-Founder & CEO | SanityNode.jsTailwind CSS+24 | — | 2 job openings · 1 internship · 1 launch |
| 24 | BEEWISE Saving bees with AI and robotics to protect the global food supply 48Funding top 20%Moat top 28%Growth top 35%AI top 35% All 10 signals ▾Fundingtop 20% Moattop 28% Growthtop 35% AItop 35% Producttop 36% Talentbottom 49% Techbottom 44% Globalbottom 39% Marketbottom 23% Newsbottom 17% Funding: Raised $120M across 8 rounds · 8 rounds over 7 yrs (1.1/yr) Moat: Editorial + unicorn rating 8/10 · Soonicorn rank vs industry peers · Fliar Intelligence Index 48/100 | $120M | 12 mo ago | 6 | Saar Safra Co-Founder & CEO | HubSpot CMS HubSalesforceAmazon Web Services+17 | — | — |
| 25 | Element Energy Technology for Battery Management Systems 48Innovation top 26%Funding top 27%Patents top 30%Product top 30% All 8 signals ▾Innovationtop 26% Fundingtop 27% Patentstop 30% Producttop 30% Moattop 32% Techbottom 45% Globalbottom 39% Marketbottom 34% Innovation: 75 patents (top 43% of patent-holders) · 71 filings since 2022 vs 3 in 2017-21 Funding: Raised $101M across 10 rounds · 10 rounds over 10 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 48/100 | $101M | 10 mo ago | 65 | — | WordPress Block EditorwpBakeryElementor+23 | 75 patents Battery management and thermal control technologies for electrochemical energy storage systems | — |
| 26 | Glydways Developer of electric autonomous shuttles and mass transit solutions 74News top 19%Innovation top 20%Patents top 21%Funding top 23% All 10 signals ▾Newstop 19% Innovationtop 20% Patentstop 21% Fundingtop 23% Growthtop 25% Talenttop 28% Moattop 32% Techbottom 49% Marketbottom 41% Globalbottom 40% News: 7 BI events in 12 mo (of 13 tracked, 3 types) · 6 high-value events (IPO/M&A/funding/contracts) in 12 mo Innovation: 74 patents (top 25% of patent-holders) · 66 filings since 2022 vs 8 in 2017-21 rank vs industry peers · Fliar Intelligence Index 74/100 | $96M | 9 mo ago | 76 | Zachary Zeliff Co-Founder | WordPressApple iCloud MailGoogle Workspace+20 | 74 patents Autonomous vehicle navigation, lidar perception, trajectory planning, and adaptive suspension systems | 1 launch · 1 partnership |
| 27 | GlassPoint Solar steam solutions for industry, reducing carbon emissions cost-effectively 27Funding top 27%Product top 35%Innovation top 45%Tech bottom 45% All 8 signals ▾Fundingtop 27% Producttop 35% Innovationtop 45% Techbottom 45% Globalbottom 39% Growthbottom 36% Marketbottom 27% Newsbottom 22% Funding: Raised $94.8M · 6 rounds over 16 yrs (0.4/yr) Product: 2 distinct product lines · Company stage: Series C rank vs industry peers · Fliar Intelligence Index 27/100 | $95M | 4 mo ago | 33 | — | Cart FunctionalitySquarespace CommerceSquarespace+14 | — | 4 job openings |
| 28 | GridCARE Provider of AI data center power solutions leveraging existing grid infrastructure 50Funding top 22%Talent top 38%AI top 45%Global bottom 48% All 6 signals ▾Fundingtop 22% Talenttop 38% AItop 45% Globalbottom 48% Techbottom 44% Marketbottom 35% Funding: Raised $77.5M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 50/100 | $78M | 1 mo ago | — | Ram Rajagopal Co-Founder | WebflowBugHerdPostHog+15 | — | 1 partnership |
| 29 | Super73 Platform offering electric bicycles 72Tech top 26%Patents top 26%Funding top 27%Talent top 28% All 11 signals ▾Techtop 26% Patentstop 26% Fundingtop 27% Talenttop 28% Innovationtop 31% Growthtop 32% Moattop 32% Producttop 35% Marketbottom 49% Globalbottom 36% Customersbottom 35% Tech: 59 technologies across 6/8 capability areas · Cloud: Amazon S3, Amazon Web Services Patents: 55 patents matched (strict assignee match) · 35 filings since 2022 vs 20 in 2017-21 rank vs industry peers · Fliar Intelligence Index 72/100 | $66M | 8 mo ago | 94 94 → 62 (-34%) · sector median +19% | Aaron Wong Co-Founder & Co-CEO | Cart FunctionalityShopifySentry+38 | 55 patents Electric motorcycles with modular performance control and detachable frame components | 3 job openings |
| 30 | Lightship Manufacturers of electric recreational vehicles 55Growth top 21%Funding top 27%Moat top 31%Tech top 35% All 8 signals ▾Growthtop 21% Fundingtop 27% Moattop 31% Techtop 35% Newstop 41% Talentbottom 49% Globalbottom 37% Marketbottom 30% Growth: Headcount 1 → 28 (+2700%) across vintages · Fresh capital in last 24 mo Funding: Raised $61.2M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $61M | 7 mo ago | 28 | Toby Kraus Co-Founder & CEO | PHPTailwind CSSAmazon Web Services+25 | — | 1 launch · 2 expansions |
| 31 | Radiant Nuclear 🦄 Developer of portable nuclear microreactors designed to replace diesel generators 55Funding top 26%Growth top 28%Moat top 37%Market bottom 49% All 8 signals ▾Fundingtop 26% Growthtop 28% Moattop 37% Marketbottom 49% Talentbottom 49% Techbottom 41% Globalbottom 32% Partnersbottom 32% Funding: Raised $55.0M across 7 rounds · 7 rounds over 6 yrs (1.2/yr) Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 55/100 | $55M | 6 mo ago | 34 | Doug Bernauer Founder & CEO | GridsomeApple iCloud MailGSAP+9 | — | — |
| 32 | Aether Fuels Developer of technology converting waste carbon into sustainable liquid fuels 40Funding top 23%Growth top 35%News top 46%Moat top 48% All 9 signals ▾Fundingtop 23% Growthtop 35% Newstop 46% Moattop 48% Talentbottom 49% Globalbottom 39% Marketbottom 35% Partnersbottom 35% Techbottom 32% Funding: Raised $45.4M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 40/100 | $45M | 5 mo ago | — | Conor Madigan Founder and CEO | Craft CMSApple iCloud MailMicrosoft 365+10 | — | 1 launch · 1 award |
| 33 | Quilt AI-based heat control systems for homes 55Funding top 24%Talent top 28%Growth top 35%Moat top 39% All 10 signals ▾Fundingtop 24% Talenttop 28% Growthtop 35% Moattop 39% Techtop 45% AItop 45% Producttop 46% Globalbottom 39% Marketbottom 33% Customersbottom 2% Funding: Raised $42.0M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 55/100 | $42M | 6 mo ago | 30 | Matthew Knoll Co-Founder & CTO | Craft CMSPHPYii+20 | — | 2 launchs · 1 expansion · 1 award |
| 34 | Verdigris AI and SaaS-driven energy analytics platform for the management of facilities and commercial buildings 48Funding top 23%Growth top 28%Talent top 28%Moat top 41% All 11 signals ▾Fundingtop 23% Growthtop 28% Talenttop 28% Moattop 41% Techtop 42% Producttop 46% Newsbottom 41% Globalbottom 39% Marketbottom 32% Innovationbottom 31% Patentsbottom 24% Funding: Raised $41.7M across 13 rounds · 13 rounds over 15 yrs (0.9/yr) Growth: Headcount 20 → 27 (+35%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 48/100 | $42M | 3 mo ago | 27 | Mark Chung Co-Founder & CEO | WebflowUptimeRobotApple iCloud Mail+18 | 2 patents Electrical load identification and disaggregation via waveform analysis for power monitoring | — |
| 35 | Qnovo Battery management software for the e-mobility sector 50Patents top 27%Talent top 28%Moat top 32%Innovation top 33% All 9 signals ▾Patentstop 27% Talenttop 28% Moattop 32% Innovationtop 33% Fundingtop 33% Growthtop 45% Techbottom 47% Globalbottom 42% Marketbottom 29% Patents: 96 patents matched (strict assignee match) · 31 filings since 2022 vs 27 in 2017-21 Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 50/100 | $40M | 3 mo ago | 22 22 → 33 (+50%) · sector median +19% | Dania Ghantous Co-Founder & VP | WebflowGSAPTypekit+20 | 96 patents Adaptive battery charging and metal plating detection for lithium‑ion cell management | 1 award |
| 36 | Terraform Industries Developer of natural gas from carbon capture technology 19Talent top 38%Growth top 45%Funding top 48%Global bottom 37% All 6 signals ▾Talenttop 38% Growthtop 45% Fundingtop 48% Globalbottom 37% Marketbottom 25% Techbottom 15% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 19/100 | $38M | 2 mo ago | 9 | Casey Handmer Co-Founder | Apache HTTP ServerGoogle Workspace | — | — |
| 37 | WattEV Platform offering electric trucking infrastructure and services 48Growth top 28%Tech top 29%Funding top 37%Moat top 47% All 11 signals ▾Growthtop 28% Techtop 29% Fundingtop 37% Moattop 47% Talentbottom 49% Patentsbottom 47% Innovationbottom 44% Productbottom 39% Globalbottom 37% Marketbottom 29% Newsbottom 19% Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo Tech: 44 technologies across 6/8 capability areas · Cloud: Amazon Web Services, Cloudflare rank vs industry peers · Fliar Intelligence Index 48/100 | $37M | 1 mo ago | 30 30 → 42 (+40%) · sector median +19% | Umar Javed Co-Founder | WordPressMySQLPHP+34 | 3 patents Smart matrix switching for optimal EV charging station power and DER management | 1 partnership · 2 expansions · 2 awards |
| 38 | Halcyon Provider of AI-assisted search and information platform for energy professionals 45Funding top 25%Talent top 38%Patents top 39%Innovation top 42% All 7 signals ▾Fundingtop 25% Talenttop 38% Patentstop 39% Innovationtop 42% Techbottom 46% Marketbottom 37% Globalbottom 35% Funding: Raised $31.8M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 45/100 | $32M | 3 mo ago | — | Bruce F Founder & CEO | HubSpot CMS Hubcore-jsPreact+15 | 13 patents High‑pressure lipid extraction, infusion and bonding equipment for oil processing | — |
| 39 | Merlin Solar Manufacturers of solar modules 55Product top 26%Funding top 27%Tech top 27%Growth top 35% All 10 signals ▾Producttop 26% Fundingtop 27% Techtop 27% Growthtop 35% Patentstop 43% Moattop 43% Innovationtop 50% Talentbottom 49% Globalbottom 40% Marketbottom 38% Product: 11 distinct product lines · Company stage: Acquired Funding: Raised $31.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $31M | 5 mo ago | 62 | Venkatesan Murali Founder | Wix eCommerceWixSentry+13 | 79 patents Metallic interconnects and surface treatments for photovoltaic module manufacturing | — |
| 40 | Anthro Energy Provider of computer & electronic equipment manufacturing services 53Growth top 15%News top 21%Funding top 34%Talent bottom 49% All 7 signals ▾Growthtop 15% Newstop 21% Fundingtop 34% Talentbottom 49% Moatbottom 38% Globalbottom 36% Marketbottom 31% Growth: Fresh capital in last 24 mo News: 8 BI events in 12 mo (of 11 tracked, 5 types) · +700% YoY rank vs industry peers · Fliar Intelligence Index 53/100 | $27M | 6 mo ago | 28 | David Mackanic Founder | — | — | 1 partnership · 1 expansion |
| 41 | Coreshell Developer of battery solutions utilizing metallurgical silicon for enhanced energy storage 27Funding top 31%Talent top 38%Growth bottom 42%Moat bottom 38% All 7 signals ▾Fundingtop 31% Talenttop 38% Growthbottom 42% Moatbottom 38% Globalbottom 37% Marketbottom 26% Newsbottom 18% Funding: Raised $19.0M across 9 rounds · 9 rounds over 7 yrs (1.3/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 27/100 | $19M | 2 mo ago | 16 | Jonathan Tan Co-Founder & CEO | — | — | 2 partnerships |
| 42 | Sepion Technologies Manufacturer of batteries 53Growth top 28%Product top 30%Innovation top 34%Funding top 37% All 9 signals ▾Growthtop 28% Producttop 30% Innovationtop 34% Fundingtop 37% Talentbottom 49% Globalbottom 39% Moatbottom 38% Marketbottom 33% Techbottom 30% Growth: Headcount 26 → 32 (+23%) across vintages · Fresh capital in last 24 mo Product: 5 distinct product lines · Company stage: Series B rank vs industry peers · Fliar Intelligence Index 53/100 | $19M | 2 mo ago | 32 | Brett Helms Co-Founder | — | — | — |
| 43 | Nuvve Provider of electric-vehicle charging and bidirectional vehicle-to-grid systems 50News top 23%Patents top 25%Innovation top 27%Tech top 30% All 13 signals ▾Newstop 23% Patentstop 25% Innovationtop 27% Techtop 30% Fundingtop 34% Producttop 34% Partnerstop 36% Talenttop 41% Growthbottom 49% Moatbottom 44% Globalbottom 36% Marketbottom 34% Fin. healthbottom 32% News: 7 BI events in 12 mo (of 14 tracked, 4 types) · +600% YoY Patents: 51 patents matched (strict assignee match) · 42 filings since 2022 vs 9 in 2017-21 rank vs industry peers · Fliar Intelligence Index 50/100 | $18M | 5 mo ago | 56 56 → 40 (-29%) · sector median +19% | Gregory Poilasne Chairman and CEO | DrupalApple iCloud MailGoogle Workspace+29 | 51 patents Virtualized battery aggregation and intelligent local energy management for grid services | 1 partnership |
| 44 | Lumen Energy Provider of solutions to manage PPA 40Funding top 36%Talent top 38%Market bottom 43%Global bottom 36% All 4 signals ▾Fundingtop 36% Talenttop 38% Marketbottom 43% Globalbottom 36% Funding: Raised $16.5M · 3 rounds over 5 yrs (0.6/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 40/100 | $17M | 3 mo ago | 38 | Dave Coen Co-Founder | — | — | — |
| 45 | NovaSolix Developer of rectenna-based solar technology for various applications and sectors 32Moat top 25%Funding top 33%Talent top 34%Patents top 41% All 7 signals ▾Moattop 25% Fundingtop 33% Talenttop 34% Patentstop 41% Innovationtop 47% Globalbottom 33% Marketbottom 25% Moat: Editorial + unicorn rating 6/10 · IP moat: 42 patents Funding: Raised $16.1M across 3 rounds · 3 rounds over 6 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $16M | 2 mo ago | 12 | Bob Cousins Co-Founder | — | 42 patents Solar-powered antenna arrays and low‑power semi‑reflective display technologies | 3 launchs · 2 partnerships |
| 46 | LiNova Energy Developer of energy dense batteries 21Funding top 37%News top 45%Talent bottom 49%Tech bottom 46% All 6 signals ▾Fundingtop 37% Newstop 45% Talentbottom 49% Techbottom 46% Globalbottom 32% Marketbottom 25% Funding: Raised $15.8M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) News: 2 BI events in 12 mo (of 4 tracked, 2 types) · Top themes: Announcements rank vs industry peers · Fliar Intelligence Index 21/100 | $16M | 3 mo ago | — | Michael Nagus CEO | Wix eCommerceWixSentry+12 | — | 1 launch |
| 47 | South 8 Liquefied gas electrolyte for lithium ion batteries 29Talent top 28%Moat top 39%Funding top 40%Global bottom 45% All 5 signals ▾Talenttop 28% Moattop 39% Fundingtop 40% Globalbottom 45% Marketbottom 28% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Moat: Editorial + unicorn rating 6/10 · 9 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 29/100 | $12M | 2 mo ago | 21 21 → 46 (+119%) · sector median +19% | Jungwoo Lee Co-Founder & Chief Technology Officer | — | — | 1 job opening |
| 48 | Ridepanda Online retailer platform offering multi-category electric vehicles 50Tech top 27%Growth top 35%Funding top 37%Talent top 38% All 7 signals ▾Techtop 27% Growthtop 35% Fundingtop 37% Talenttop 38% Moattop 39% Globalbottom 38% Marketbottom 26% Tech: 45 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 50/100 | $11M | 3 mo ago | 23 | Chinmay Malaviya Co-founder and CEO | WebflowZohoAmazon Web Services+26 | — | — |
| 49 | Flair Systems Manufacturer of smart vents for home temperature control 50Tech top 26%Growth top 35%Funding top 37%Talent top 38% All 9 signals ▾Techtop 26% Growthtop 35% Fundingtop 37% Talenttop 38% Customerstop 39% Moattop 39% Producttop 46% Globalbottom 38% Marketbottom 25% Tech: 60 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 50/100 | $8M | 2 mo ago | 13 | Kenny Tay Co-Founder & CTO | ShopifyBootstrapAmazon Web Services+44 | — | — |
| 50 | PteroDynamics Developer of autonomous vertical takeoff and landing aircraft systems and platforms 40Moat top 31%Growth top 35%Innovation top 36%Patents top 36% All 10 signals ▾Moattop 31% Growthtop 35% Innovationtop 36% Patentstop 36% Techtop 49% Talentbottom 49% Fundingbottom 47% Globalbottom 36% Marketbottom 24% Newsbottom 22% Moat: Editorial + unicorn rating 7/10 · IP moat: 18 patents Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 40/100 | $8M | 0 mo ago | 14 14 → 23 (+64%) · sector median +19% | Matthew Graczyk CEO and Board Director | WordPressMySQLPHP+25 | 18 patents Advanced control systems for autonomous VTOL aircraft and vertical lift drones | 1 partnership |
Top 12 Energy Tech companies in California
#1
Public · Los Angeles, California · founded 2014 · 586 employees$3.2Braised▾
Manufacturer of electric cars. It offers a comprehensive solution for electric mobility like smart mobility platforms, designing, engineering services, and more. It develops FF91 electric cars with features that include 3 electric motors,lithium-ion batteries, automated re-loading systems, cloud, and AI-enabled user interfaces, and more.
- Apr 2026Post IPO$45M
- Jul 2025Post IPO$105M
- Apr 2025Post IPO$8.9M
- Dec 2024Post IPO$30M
#2
Lucid 🦄Public · Newark, California · founded 2007 · 6500 employees$1.1Braised▾
Manufacturer of electric vehicles and related technologies for consumer markets. It offers various models with different range capabilities and features. The company also provides related services, including financing options and vehicle accessories.
- Apr 2026Post IPO$750M
- Nov 2025Post IPO$875M
- Sep 2025Post IPO$300M
- Feb 2024Grant (prize money)$6M
#3
Series G · Scotts Valley, California · founded 2006 · 224 employees$554.2Mraised▾
Manufacturer of electric motorcycles, related accessories, and associated merchandise. The company provides various models across different lines, including options for on-road and off-road use. It offers resources related to electric vehicle advantages, charging, range, and technology. The business also facilitates finding dealers, viewing events, and comparing models.
- May 2026Series G$15M
- Oct 2024Series G$100.2M
- Sep 2022Series G$107M
- Apr 2022Series F$86.6M
#4
Rivian 🦄Public · Irvine, California · founded 2009 · 16790 employees$10.5Braised▾
Manufacturer of off-road electric pickup trucks for adventure. The platform specializes in premium electric sport utility vehicles and pickup trucks designed for off-road capability and adventure. Its flagship products include the R1T electric pickup and the R1S electric SUV, both built on a flexible skateboard platform that supports future vehicle models. It offers features including quad-motor all-wheel drives, air suspensions, hydraulic roll control, optimum storage capacity, weather-resistant, optimum charging time, and more.
- Jun 2025Post IPO$1B
- Feb 2022Post IPO—
- Jul 2021Series E$2.5B
- Jan 2021Series E$2.6B
#5
Public · San Francisco, California · founded 2017 · 49 employees$420.2Mraised▾
Developer of next-generation geothermal projects delivering carbon-free energy. It pioneers a new approach to geothermal energy using technologies like horizontal drilling and distributed fiber optic sensing to unlock geothermal resources. It focuses on making geothermal energy a scalable resource and ensures environmental health and safety in its operations. The company aims to decarbonize challenging parts of the electricity sector through geothermal energy.
- Mar 2026Conventional Debt$421M
- Dec 2025Series E$462M
- Jun 2025Conventional Debt$105.5M
- Jun 2025Series D$100M
#6
ALSO 🦄Series C · Palo Alto, California · founded 2025$505Mraised▾
Manufacturer of electric bikes, quadricycles, helmets, gear, and accessories. The company offers electric bikes with features like integrated lighting and modular top frames. It also provides quadricycles designed for commercial cargo and personal transportation. Helmets with built-in speakers and lighting are available, alongside compatible gear and accessories.
- Mar 2026Series C$200M
- Jul 2025Series B$200M
- Mar 2025Series B$105M
#7
Series B · Fremont, California · founded 2020 · 225 employees$445.1Mraised▾
Manufacturer of metal-hydrogen batteries for grid-scale, commercial, and residential applications. The company's technology is suited for energy storage solutions. The batteries have longevity, temperature tolerance, and low maintenance requirements. The company focuses on accelerating clean energy through its products.
- Mar 2026Series B$300M
- Oct 2023Series B$308.1M
- Sep 2021Series A$125M
- Aug 2020Seed$12M
#8
Archer 🦄Public · San Jose, California · founded 2018 · 424 employees$1.5Braised▾
Developer of electric vertical takeoff and landing aircraft for commercial use. The company focuses on aircraft certification, safety, and defense applications. It provides updates through its newsroom and offers various resources. These resources include information for investors, media, and potential employees.
- Dec 2025Post IPO—
- Jun 2025Post IPO$850M
- Dec 2024Post IPO$430M
- Aug 2024Post IPO$220M
#9
Nuro 🦄Series E · Mountain View, California · founded 2016 · 1005 employees$2.1Braised▾
Developer of autonomous driving technology for automakers and mobility providers. The company offers a self-driving system designed to empower the scaling of autonomy. It provides a universal autonomy platform that is vehicle-agnostic and cost-efficient. Automakers and mobility platforms can license the technology to power robotaxis, commercial fleets, and personal vehicles.
- Aug 2025Series E$97M
- Apr 2025Series E$106M
- Nov 2021Series D$600M
- Mar 2021Series C—
#10
Series D · San Jose, California · founded 2018 · 75 employees$190Mraised▾
Developer of thermal management solutions for data centers and electronic devices. The company offers direct-to-chip liquid cooling and solid-state active air cooling products. These cooling solutions are applicable to consumer devices, industrial embedded systems, and data centers. The company's products aim to improve performance and enable compact designs.
- Mar 2026Series D$143M
- May 2024Series C$90M
- Dec 2022Series B$100M
- 2018Series A—
#11
Series C · San Francisco, California · founded 2014 · 220 employees$231Mraised▾
Smart energy management technology platform that modernizes residential electrical systems. Its solutions replace traditional electrical panels with smart systems that provide homeowners with real-time visibility into household energy usage, circuit-level monitoring, and remote control of appliances and connected devices. It is designed to support modern electrified homes by integrating technologies such as home batteries, electric vehicle chargers, solar systems, HVAC systems, and heat pumps into a centralized energy management ecosystem.
- Jan 2026Series C$163.3M
- Sep 2025Series B$25M
- Jun 2025Grant (prize money)$999.8K
- Apr 2025Grant (prize money)$999.8K
#12
Series A · Redwood City, California · founded 2024$77.5Mraised▾
Provider of AI data center power solutions leveraging existing grid infrastructure. It partners with AI infrastructure developers and electric utilities to identify and utilize existing grid capacity for powering AI data centers. This approach reduces time-to-power significantly, eliminating the need for costly grid upgrades. The company employs generative AI to pinpoint optimal sites and optimize grid capacity utilization across all locations and hours. This solution benefits both data center developers, by providing faster access to power, and utilities, by driving beneficial load growth and maximizing asset utilization.
- May 2026Series A$64M
- May 2025Seed$13.5M
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 California is moving
A read on the academic research around Energy Storage in California — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 385 papers.
UC Los Angeles, Berkeley, and San Diego lead California's energy-storage research, dominated by advanced battery and supercapacitor materials, with a cautiously optimistic tone (mean stance 0.52).
- University of California, Los Angeles72
- University of California, Berkeley72
- University of California San Diego55
- California NanoSystems Institute28
- Sandia National Laboratories California27
- Electrolyte2→20
- Battery (electricity)4→18
- Electrochemistry4→18
- Cathode4→14
- Electrode5→14
- Battery (electricity)4→39
- Renewable energy5→21
- Electrochemistry6→21
- Cathode3→12
- Electrolyte7→16
- Renewable energy2→15
- Battery (electricity)2→12
- Electrochemistry1→7
- Grid1→5
- Wind power1→3