Radar · Energy Tech in United States
Best Energy Tech Companies in United States
The 6082 best Energy Tech companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Rivian.
By Riya SenguptaFinancials
6082companies tracked
$125.9Bdisclosed funding
32unicorns
2178have raised
$125.9 billion in disclosed funding across 6,082 tracked companies tells you everything about how seriously capital has committed to Energy Tech in the United States. This directory ranks the best of those companies by disclosed equity funding and recent funding momentum, and the numbers at the top are hard to ignore. Rivian alone accounts for $10.5 billion. Faraday Future pulled $3.2 billion. Slate Auto sits at $1.4 billion before most people had heard of it. Thirty-two unicorns have emerged from this field, and the most active backers, including DOE, the National Science Foundation, and Climate Capital, are institutional enough that the money isn't speculative noise.
So what's actually moving the needle right now? Mobile engagement across 138 energy apps is growing at a median of roughly 28% year-over-year, which tracks with the surge in EV powertrain and battery themes dominating product development. Solar electricity generation and next-generation EV platforms are the hottest sub-categories in the directory, and I'd point you toward the green energy technologies shaping 2025 for useful context on where that R&D spending is flowing. The regulatory backdrop, especially federal clean energy incentives, keeps compressing the timeline between concept and commercial scale. Filter by funding stage or investor to find where the real conviction is.
Sources & further reading
- IEA proposes largest ever release of stockpiled oil to reduce crude price
- Aramco chief warns of ‘catastrophic’ consequences for oil markets if Hormuz clos
- West Asia war lays bare weak links in India’s renewable energy plan, grid networ
FLIAR INTELLIGENCE · ENERGY TECH × UNITED STATES
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.
79companies analysed
92%cloud-native stacks
2025funding peak (by rounds)
12unicorns
2015median founding year
3.3Mcombined LinkedIn audience
48%of audience held by top 3
6companies hiring publicly (12 mo)
Ranked: Best Energy Tech companies in United States
| # | Company | Disclosed funding | Last round | Employees | Founder | Market signals (1y) | 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 +2% | — | 138 signals ▼17% Announcements · Earnings · Hiring | 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 +2% | Matthias Aydt Global CEO | 18 signals ▲157% Regulatory · Announcements · Acquisition | 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 +2% | Dave Ferguson Co-Founder & Co-CEO | 12 signals ▲300% Funding · Contracts · Announcements | 294 patents Autonomous vehicle sensing, diagnostics, control, and communication systems integration | 1 internship · 1 partnership · 1 expansion |
| 4 | Plug Power Provider of hydrogen fuel cell solutions and hydrogen generation technologies 84Patents top 15%Partners top 16%Funding top 17%Innovation top 18% All 13 signals ▾Patentstop 15% Partnerstop 16% Fundingtop 17% Innovationtop 18% Markettop 24% Producttop 29% Globaltop 30% Newstop 32% Talenttop 36% Growthtop 38% Moattop 39% Techtop 41% Fin. healthtop 46% Patents: 229 patents matched (strict assignee match) · 146 filings since 2022 vs 20 in 2017-21 Partners: 3 partnership announcements in 12 mo (9 in 24 mo) · 13 contract events in 12 mo rank vs industry peers · Fliar Intelligence Index 84/100 | $2.1B | 12 mo ago | 2,449 2,449 → 2,015 (-18%) · sector median +2% | Andrew Marsh CEO | 83 signals ▲36% Announcements · Leadership · Contracts | 229 patents Hydrogen PEM electrolyzer hardware, membrane assemblies, and tank coupling technologies | 1 expansion · 1 award |
| 5 | 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 | 69 signals ▼20% Announcements · Contracts · Earnings | — | 1 job opening |
| 6 | Slate Auto Manufacturer of customizable electric pickup trucks and SUVs 72Funding top 15%Tech top 31%Market top 37%Talent top 38% All 6 signals ▾Fundingtop 15% Techtop 31% Markettop 37% Talenttop 38% Growthtop 45% Globalbottom 33% Funding: Raised $1.4B across 3 rounds · 3 rounds over 3 yrs (1.0/yr) Tech: 37 technologies across 5/8 capability areas · Cloud: Cloudflare, Vercel rank vs industry peers · Fliar Intelligence Index 72/100 | $1.4B | 2 mo ago | — | Miles Arnone Co-Founder | — | — | — |
| 7 | Base Power 🦄 Provider of battery storage system 67Funding top 15%Tech top 24%Growth top 35%Talent top 38% All 9 signals ▾Fundingtop 15% Techtop 24% Growthtop 35% Talenttop 38% Producttop 40% Markettop 46% Moattop 47% Globalbottom 37% Customersbottom 7% Funding: Raised $1.3B across 3 rounds · 3 rounds over 2 yrs (1.5/yr) Tech: 59 technologies across 5/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 67/100 | $1.3B | 8 mo ago | — | Justin Lopas COO & Co-Founder | — | — | 1 job opening · 1 expansion |
| 8 | Nexamp 🦄 Provider of community solar programs and energy solutions for businesses 76Funding top 12%Tech top 23%Moat top 23%Talent top 35% All 8 signals ▾Fundingtop 12% Techtop 23% Moattop 23% Talenttop 35% Markettop 38% Growthtop 43% Globalbottom 39% Newsbottom 38% Funding: Raised $1.3B across 12 rounds · 12 rounds over 16 yrs (0.8/yr) Tech: 42 technologies across 6/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 76/100 | $1.3B | 1 mo ago | 331 331 → 589 (+78%) · sector median +2% | Zaid Ashai CEO | 3 signals ▼75% Funding | — | 1 award |
| 9 | BETA 🦄 Manufacturer of electric aircraft, charging systems, and customized training programs 60Funding top 19%Product top 28%Moat top 28%Growth top 32% All 10 signals ▾Fundingtop 19% Producttop 28% Moattop 28% Growthtop 32% Techtop 37% Markettop 48% Fin. healthtop 49% Globalbottom 46% Patentsbottom 45% Innovationbottom 44% Funding: Raised $1.2B across 8 rounds · 8 rounds over 5 yrs (1.6/yr) Product: 1 published app (1.8k installs) · Company stage: Public rank vs industry peers · Fliar Intelligence Index 60/100 | $1.2B | 7 mo ago | 535 535 → 1,279 (+139%) · sector median +2% | — | — | 19 patents Optical eyewear components and mechanical feed mechanisms for imaging and dental devices | 2 partnerships |
| 10 | 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 +2% | Peter Rawlinson CEO and CTO | 32 signals ▼32% Leadership · Announcements · Acquisition | 114 patents Handheld confocal microscopy and AI-generated synthetic imaging for tissue diagnostics | — |
| 11 | Nikola Motor Developer of electric trucks 50Funding top 23%Tech top 24%Moat top 39%Market top 45% All 9 signals ▾Fundingtop 23% Techtop 24% Moattop 39% Markettop 45% Talentbottom 49% Newsbottom 48% Fin. healthbottom 40% Globalbottom 39% Growthbottom 37% Funding: Raised $760M across 13 rounds · 13 rounds over 9 yrs (1.4/yr) Tech: 53 technologies across 6/8 capability areas · Cloud: Amazon Web Services, Cloudflare rank vs industry peers · Fliar Intelligence Index 50/100 | $760M | 13 mo ago | 870 870 → 782 (-10%) · sector median +2% | Mark Russell CEO | 20 signals ▼75% Acquisition · Lawsuit | — | — |
| 12 | 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 | — | — | — |
| 13 | 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 +2% | Joeben Bevirt Founder & CEO | 121 signals Announcements · Contracts · M&A | 23 patents Electric VTOL aircraft with pivoting/stowing rotors that mimic rigid-wing aerodynamics | 2 partnerships · 1 expansion |
| 14 | 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 | 9 mo ago | 213 213 → 248 (+16%) · sector median +2% | Henry Costantino Co-Founder | 6 signals ▼70% Funding · Capital raise | 185 patents Patents concentrated in electrical & electronics | 1 partnership |
| 15 | Crusoe 🦄 Operator of cloud platform providing infrastructure for artificial intelligence workloads 91Funding top 11%Partners top 23%Tech top 24%Moat top 26% All 10 signals ▾Fundingtop 11% Partnerstop 23% Techtop 24% Moattop 26% Markettop 27% AItop 30% Newstop 33% Growthtop 35% Talenttop 36% Globalbottom 39% Funding: Raised $577M across 14 rounds · 14 rounds over 7 yrs (2.0/yr) Partners: 1 partnership announcement in 12 mo (4 in 24 mo) · 8 contract events in 12 mo rank vs industry peers · Fliar Intelligence Index 91/100 | $577M | 3 mo ago | 242 | Cully Cavness Co-Founder | 24 signals Contracts · Funding · Leadership | — | — |
| 16 | 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 | 4 signals Announcements · Leadership | 55 patents Electric motorcycle powertrain control, cooling, and braking systems | — |
| 17 | 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 | — | — | 1 award |
| 18 | Clean Capital Online platform for funding solar projects 60Funding top 18%Talent top 28%Growth top 29%Moat top 31% All 10 signals ▾Fundingtop 18% Talenttop 28% Growthtop 29% Moattop 31% Producttop 40% Innovationtop 43% Techtop 44% Newstop 46% Globalbottom 39% Marketbottom 30% Funding: Raised $504M across 5 rounds · 5 rounds over 11 yrs (0.5/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 60/100 | $504M | 5 mo ago | 30 | Jon Powers Co Founder | 3 signals Capital raise · Acquisition | — | — |
| 19 | 24m Technologies 🦄 Developer of battery technology for electric vehicles and energy storage 69Funding top 18%Moat top 22%Growth top 26%Patents top 32% All 10 signals ▾Fundingtop 18% Moattop 22% Growthtop 26% Patentstop 32% Talenttop 38% Innovationtop 39% Techtop 49% Markettop 50% Globalbottom 44% Newsbottom 21% Funding: Raised $500M across 13 rounds · 13 rounds over 16 yrs (0.8/yr) Moat: Editorial + unicorn rating 9/10 · IP moat: 288 patents rank vs industry peers · Fliar Intelligence Index 69/100 | $500M | 12 mo ago | 147 147 → 89 (-39%) · sector median +2% | Yet Chiang Co-Founder & Chief Scientist | — | 288 patents Patents concentrated in electrical & electronics | — |
| 20 | 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 | 7 signals ▲600% Funding · Capital raise · Leadership | 82 patents Metal‑hydrogen rechargeable batteries and hydrogen containment systems | — |
| 21 | 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 | 9 signals ▼31% Funding · IPO · Capital raise | — | 1 launch · 3 partnerships |
| 22 | 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 | 3 signals ▼88% Announcements · Layoffs · Funding | 122 patents Hydrogen fuel‑cell power and cooling integration for aircraft propulsion and airship systems | — |
| 23 | nine.energy Developer of community-scale battery energy storage systems for electric grid 32Funding top 22%Moat top 48%Tech bottom 48%Global bottom 37% All 6 signals ▾Fundingtop 22% Moattop 48% Techbottom 48% Globalbottom 37% Marketbottom 35% Newsbottom 24% Funding: Raised $325M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) Moat: Editorial + unicorn rating 4/10 · 10 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 32/100 | $325M | 8 mo ago | 35 | — | — | — | — |
| 24 | Ascent Solar Manufacturer of flexible thin-film solar panels for varied applications 37Product top 14%News top 25%Funding top 30%Growth top 30% All 12 signals ▾Producttop 14% Newstop 25% Fundingtop 30% Growthtop 30% Innovationtop 39% Patentstop 42% Talentbottom 49% Techbottom 39% Globalbottom 38% Moatbottom 37% Fin. healthbottom 36% Marketbottom 19% Product: 4 distinct product lines · Company stage: Public News: 6 BI events in 12 mo (of 88 tracked, 11 types) · +200% YoY rank vs industry peers · Fliar Intelligence Index 37/100 | $265M | 4 mo ago | 16 | Paul Warley CEO | 6 signals ▲200% Funding · Incorporation | 96 patents Thin‑film solar cell manufacturing, flexible substrates, and monolithic integration for airborne power. | — |
| 25 | Factorial Energy Developer of sustainable solid-state batteries 60Funding top 24%Talent top 28%Moat top 31%Growth top 35% All 8 signals ▾Fundingtop 24% Talenttop 28% Moattop 31% Growthtop 35% Techbottom 48% Newsbottom 47% Marketbottom 45% Globalbottom 39% Funding: Raised $244M across 7 rounds · 7 rounds over 12 yrs (0.6/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 60/100 | $244M | 5 mo ago | 175 | Hector Abruna Co-Founder | — | — | 1 launch · 1 partnership |
| 26 | 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 | — | 78 patents Smart electrical panel and load management systems for residential/commercial energy control | 1 job opening |
| 27 | 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 | — | — | — |
| 28 | Liminal Energy Developer of integrated development, financing, and operations for grid-scale energy storage projects 65Funding top 22%Talent top 45%Global bottom 33% All 3 signals ▾Fundingtop 22% Talenttop 45% Globalbottom 33% Funding: Raised $200M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 2 named leaders on record rank vs industry peers · Fliar Intelligence Index 65/100 | $200M | 4 mo ago | — | Mark Saunders Co-Founder & CEO | — | — | — |
| 29 | Amogy Developer of ammonia-to-power systems and ammonia cracking catalysts for decarbonization 62Funding top 21%Patents top 26%Innovation top 27%Moat top 28% All 11 signals ▾Fundingtop 21% Patentstop 26% Innovationtop 27% Moattop 28% Newstop 29% Talenttop 38% Growthtop 42% Partnerstop 45% Globalbottom 47% Marketbottom 46% Techbottom 44% Funding: Raised $197M across 8 rounds · 8 rounds over 5 yrs (1.6/yr) Patents: 76 patents matched (strict assignee match) · 76 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 62/100 | $197M | 7 mo ago | 151 | Hyunho Kim Co-Founder and VP Innovation | 10 signals ▲43% Funding · Contracts · Capital raise | 76 patents Ammonia synthesis, decomposition, and porous material treatment for hydrogen energy systems | 2 partnerships |
| 30 | Sense Smart energy platform providing real-time electricity usage insights for homes and utilities 60Patents top 21%Funding top 23%Customers top 26%Moat top 26% All 12 signals ▾Patentstop 21% Fundingtop 23% Customerstop 26% Moattop 26% Innovationtop 27% Producttop 33% Talenttop 33% Techtop 36% Growthtop 37% Globaltop 50% Marketbottom 40% Fin. healthbottom 17% Patents: 114 patents matched (strict assignee match) · 60 filings since 2022 vs 44 in 2017-21 Funding: Raised $195M across 5 rounds · 5 rounds over 11 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $195M | 4 mo ago | 120 120 → 106 (-12%) · sector median +2% | Mike Phillips Co-founder | — | 114 patents Smart power metering and event analytics for device identification in intelligent grids | 1 award |
| 31 | 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 | 4 signals Funding | 194 patents MEMS-enabled active cooling and fluidic actuation for LED and waterproof electronic systems | — |
| 32 | 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 +2% | Mark Gresser President & CEO | — | 328 patents Advanced lithium‑ion battery materials, electrolytes, and diagnostic systems for high‑performance cells | 1 partnership |
| 33 | 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 | 4 signals ▲33% Funding · Acquisition · Contracts | 44 patents Electric commercial vehicle powertrain components and safety-integrated battery systems | 1 internship · 1 partnership · 1 award |
| 34 | 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 | — | — | 2 job openings · 1 internship · 1 launch |
| 35 | VoltaGrid AI and cloud-driven platform offering microgrids to provide electricity to off-grid areas 74Funding top 18%News top 20%Growth top 25%Moat top 28% All 12 signals ▾Fundingtop 18% Newstop 20% Growthtop 25% Moattop 28% Partnerstop 29% Innovationtop 32% Patentstop 33% Techtop 44% AItop 45% Talentbottom 49% Marketbottom 46% Globalbottom 39% Funding: Raised $100M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) News: 8 BI events in 12 mo (of 17 tracked, 4 types) · +167% YoY rank vs industry peers · Fliar Intelligence Index 74/100 | $100M | 1 mo ago | 44 | Nathan Ough Co-Founder & CEO | 8 signals ▲167% Contracts · Funding | 38 patents Grid‑scale power generation, condenser‑based stabilization, and modular energy‑system hardware | 2 internships |
| 36 | Malta Developer of long-duration energy storage systems using steam-based heat pump 64Innovation top 16%Patents top 17%Moat top 19%Funding top 28% All 10 signals ▾Innovationtop 16% Patentstop 17% Moattop 19% Fundingtop 28% Growthtop 45% Techtop 46% Talentbottom 49% Marketbottom 46% Globalbottom 45% Newsbottom 22% Innovation: 272 patents (top 18% of patent-holders) · 184 filings since 2022 vs 88 in 2017-21 Patents: 272 patents matched (strict assignee match) · 184 filings since 2022 vs 88 in 2017-21 rank vs industry peers · Fliar Intelligence Index 64/100 | $98M | 5 mo ago | 266 | Michael Geyer Managing Director | — | 272 patents Thermal energy storage systems integrating pumped heat with power plants and district heating | — |
| 37 | Viridi Parente Manufacturer of modular lithium-ion battery energy storage systems for various applications 48Funding top 38%Patents top 42%Innovation top 44%Growth top 45% All 10 signals ▾Fundingtop 38% Patentstop 42% Innovationtop 44% Growthtop 45% Moatbottom 49% Talentbottom 49% Techbottom 48% Marketbottom 43% Globalbottom 42% Newsbottom 18% Funding: Raised $95.0M across 2 rounds · 2 rounds over 4 yrs (0.5/yr) Patents: 15 patents matched (strict assignee match) · 15 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 48/100 | $95M | 4 mo ago | 102 | Jon Williams Founder & Chairman & CEO | — | 15 patents Battery protection, management, and backup systems for power and IoT applications | 1 partnership |
| 38 | 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 | — | — | — | 4 job openings |
| 39 | Budderfly Provider of energy management solutions and services for buildings 76Innovation top 19%Patents top 19%Funding top 22%Growth top 27% All 11 signals ▾Innovationtop 19% Patentstop 19% Fundingtop 22% Growthtop 27% Newstop 30% Moattop 32% Producttop 33% Techtop 41% Talenttop 41% Marketbottom 49% Globalbottom 36% Innovation: 68 patents (top 23% of patent-holders) · 43 filings since 2022 vs 9 in 2017-21 Patents: 68 patents matched (strict assignee match) · 43 filings since 2022 vs 9 in 2017-21 rank vs industry peers · Fliar Intelligence Index 76/100 | $85M | 2 mo ago | 103 | Al Subbloie Founder & CEO | 5 signals ▲150% Capital raise · Earnings | 68 patents Patents concentrated in computing, sensing & instrumentation | 2 partnerships |
| 40 | DG Matrix Provider of a DC fast charger for electric vehicles 57Patents top 12%Innovation top 17%Funding top 29%Moat top 35% All 10 signals ▾Patentstop 12% Innovationtop 17% Fundingtop 29% Moattop 35% Talenttop 38% Growthtop 45% Partnerstop 45% Techtop 50% Globalbottom 46% Marketbottom 27% Patents: 271 patents matched (strict assignee match) · 95 filings since 2022 vs 45 in 2017-21 Innovation: 271 patents (top 20% of patent-holders) · 95 filings since 2022 vs 45 in 2017-21 rank vs industry peers · Fliar Intelligence Index 57/100 | $80M | 3 mo ago | — | Subhashish Bhattacharya Co-Founder & CTO | — | 271 patents Patents concentrated in health & consumer products | 2 partnerships |
| 41 | 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 | — | — | 1 partnership |
| 42 | Torus Manufacturer of power generators and energy management app 40Patents top 24%Funding top 29%Innovation top 30%Tech top 30% All 11 signals ▾Patentstop 24% Fundingtop 29% Innovationtop 30% Techtop 30% Growthtop 35% Producttop 36% Talenttop 38% Globalbottom 40% Moatbottom 40% Marketbottom 14% Fin. healthbottom 8% Patents: 56 patents matched (strict assignee match) · 54 filings since 2022 vs 0 in 2017-21 Funding: Raised $67.0M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) rank vs industry peers · Fliar Intelligence Index 40/100 | $67M | 1 mo ago | 1 | Nate Walkingshaw Co-Founder & CEO | — | 56 patents Flywheel-based mechanical energy storage with magnetic bearings and AI management | 1 partnership · 2 awards |
| 43 | Switched Source Developer of hardware-based system for distributed energy resources 40Innovation top 23%Funding top 34%Talent top 41%Product top 43% All 7 signals ▾Innovationtop 23% Fundingtop 34% Talenttop 41% Producttop 43% Techbottom 41% Globalbottom 29% Marketbottom 21% Innovation: 10 product lines · Deep-tech classification: Tech Hardware Funding: Raised $66.7M across 6 rounds · 6 rounds over 9 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 40/100 | $67M | 1 mo ago | 8 | Lane Nelson Co-Founder | — | — | — |
| 44 | Emerald Developer of a platform optimizing power grids and artificial intelligence infrastructure 50Funding top 25%AI top 30%Global top 45%Talent bottom 49% All 6 signals ▾Fundingtop 25% AItop 30% Globaltop 45% Talentbottom 49% Marketbottom 40% Techbottom 38% Funding: Raised $66.5M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) AI: Classified as an AI company · Product described with: artificial intelligence rank vs industry peers · Fliar Intelligence Index 50/100 | $67M | 4 mo ago | — | Varun Sivaram Founder & CEO | — | — | 3 partnerships · 1 award |
| 45 | EnviroSpark Energy Solutions Electric vehicle charging station installers 62Growth top 20%Innovation top 23%Product top 36%Talent top 38% All 11 signals ▾Growthtop 20% Innovationtop 23% Producttop 36% Talenttop 38% Fundingtop 42% Techbottom 46% Moatbottom 45% Marketbottom 42% Globalbottom 36% Newsbottom 22% Customersbottom 12% Growth: Web rank 50,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo Innovation: 6 product lines · Deep-tech classification: Tech Hardware rank vs industry peers · Fliar Intelligence Index 62/100 | $65M | 2 mo ago | 98 | Stephanie Luque Co-Founder | — | — | 1 partnership · 5 expansions |
| 46 | Tantalus Communication technology provider for smart grids 53Funding top 22%News top 22%Growth top 33%Moat top 48% All 9 signals ▾Fundingtop 22% Newstop 22% Growthtop 33% Moattop 48% Techtop 49% Marketbottom 44% Globalbottom 44% Talentbottom 40% Partnersbottom 35% Funding: Raised $58.7M across 8 rounds · 8 rounds over 22 yrs (0.4/yr) News: 11 BI events in 12 mo (of 29 tracked, 7 types) · +1000% YoY rank vs industry peers · Fliar Intelligence Index 53/100 | $59M | 4 mo ago | 42 | Ramatoulie Deen Founder/Executive Director | 11 signals ▲1000% Earnings · Announcements · Contracts | — | 1 launch |
| 47 | 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 | — | 2 patents Electrical load identification and disaggregation via waveform analysis for power monitoring | — |
| 48 | SmartAC.com Provider of a platform for HVAC membership program management and growth 48Funding top 32%Partners top 32%Tech top 34%Growth top 35% All 11 signals ▾Fundingtop 32% Partnerstop 32% Techtop 34% Growthtop 35% Moattop 39% Producttop 40% Customerstop 49% Talentbottom 49% Newsbottom 39% Marketbottom 32% Globalbottom 29% Funding: Raised $38.6M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Partners: 2 partnership announcements in 12 mo (2 in 24 mo) rank vs industry peers · Fliar Intelligence Index 48/100 | $39M | 2 mo ago | 34 | Josh Teekell Founder & CEO | — | — | — |
| 49 | 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 +2% | Umar Javed Co-Founder | — | 3 patents Smart matrix switching for optimal EV charging station power and DER management | 1 partnership · 2 expansions · 2 awards |
| 50 | Rebound Developer of industrial cooling technology with built-in energy storage 27Funding top 32%Moat top 37%Talent top 38%Product bottom 45% All 9 signals ▾Fundingtop 32% Moattop 37% Talenttop 38% Productbottom 45% Innovationbottom 43% Patentsbottom 39% Globalbottom 39% Marketbottom 27% Newsbottom 24% Funding: Raised $17.9M across 16 rounds · 16 rounds over 11 yrs (1.5/yr) Moat: Editorial + unicorn rating 7/10 · IP moat: 8 patents rank vs industry peers · Fliar Intelligence Index 27/100 | $18M | 2 mo ago | 7 | Russell Goldfarbmuren Co-Founder & CTO | — | 8 patents Thermal energy recovery and heat pump technologies with smart inventory control | 1 job opening · 2 launchs |
Top 12 Energy Tech companies in United States
#1
Public · Los Angeles, California · founded 2014 · 586 employees$3.2Braised▾
Public · Los Angeles, California · founded 2014 · 586 employees
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.
Fliar Intelligence Index™ 62how this company ranks against its industry peers
Funding
top 14%AI
top 15%Tech
top 28%News
top 28%Moat
top 29%Patents
top 33%Funding: Raised $3.2B across 19 rounds · 19 rounds over 9 yrs (2.1/yr) · Last round Post IPO (Apr 2026)
AI: Holds AI/ML patents (G06N-family CPC)
Tech: 52 technologies across 6/8 capability areas · Cloud: Akamai, Amazon Cloudfront · Devops: Nginx
Audience (LinkedIn): 117k LinkedIn followers — 3.5% of this cohort's audience
Funding rounds
- Apr 2026Post IPO$45M
- Jul 2025Post IPO$105M
- Apr 2025Post IPO$8.9M
- Dec 2024Post IPO$30M
Founders & team
Investors
Palantir, Small Business Administration, Birch Lake, Ares Management, Innovatus Capital Partners, Informa
Tech stack
Acquia Cloud PlatformAcquia Cloud Site FactoryAdobe AnalyticsAdobe Experience Platform Identity ServiceAdobe Experience Platform LaunchAkamai
#2
Nexamp 🦄Series E · Boston, Massachusetts · founded 2007 · 331 employees$1.3Braised▾
Nexamp 🦄
Series E · Boston, Massachusetts · founded 2007 · 331 employees
Provider of community solar programs and energy solutions for businesses. It offers community solar subscriptions, enabling savings on electricity costs without rooftop panels. It delivers energy storage solutions and power purchase agreements for commercial users. It also offers community solar programs with no rooftop panels, sign-up fees, or long-term contracts, enabling savings on electricity costs. It focuses on clean energy asset development, customer acquisition, and management, minimizing risk for counterparties.
Fliar Intelligence Index™ 76how this company ranks against its industry peers
Funding
top 12%Tech
top 23%Moat
top 23%Talent
top 35%Market
top 38%Growth
top 43%Funding: Raised $1.3B across 12 rounds · 12 rounds over 16 yrs (0.8/yr) · Last round Conventional Debt (Apr 2026)
Tech: 42 technologies across 6/8 capability areas · Cloud: Cloudflare · Devops: Envoy
Moat: Editorial + unicorn rating 9/10 · Unicorn · 4 curated direct competitors tracked
Audience (LinkedIn): 42k LinkedIn followers
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Apr 2026Conventional Debt$200M
- Feb 2026Series E$180M
- Mar 2024Series E$520M
- Jun 2023Conventional Debt—
Founders & team
Investors
US Bank, MUFG, Generate Capital, Good Energies, RCG, PJC
Tech stack
Apple Icloud MailAwinBootstrapCloudflareCloudflare Bot ManagementCore-Js
#3
Lucid 🦄Public · Newark, California · founded 2007 · 6500 employees$1.1Braised▾
Lucid 🦄
Public · Newark, California · founded 2007 · 6500 employees
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.
Fliar Intelligence Index™ 83how this company ranks against its industry peers
Market
top 16%Funding
top 16%Tech
top 21%Moat
top 26%Talent
top 28%Fin. health
top 33%Market: 6,500 employees (top 7% of Energy Tech) · Revenue ~$1.4B · Top-100,000 web property
Funding: Raised $1.1B across 9 rounds · 9 rounds over 17 yrs (0.5/yr) · Last round Post IPO (Apr 2026)
Tech: 67 technologies across 5/8 capability areas · Cloud: Akamai, Amazon Cloudfront · Observability: Bugsnag
Audience (LinkedIn): 616k LinkedIn followers — 18.7% of this cohort's audience · 744 engagements/post (17.4× cohort median)
Funding rounds
- Apr 2026Post IPO$750M
- Nov 2025Post IPO$875M
- Sep 2025Post IPO$300M
- Feb 2024Grant (prize money)$6M
Founders & team
Investors
Venrock, Tsing Capital, Public Investment Fund, BAIC, Uber, Ayar Third Investment
Tech stack
Acquia Cloud PlatformAcquia Cloud Site FactoryAdobe AnalyticsAdobe Experience Platform Identity ServiceAdobe Experience Platform LaunchAkamai
#4
Series C · Troy, Michigan · founded 2022$1.4Braised▾
Series C · Troy, Michigan · founded 2022
Manufacturer of customizable electric pickup trucks and SUVs. The company offers a base vehicle that customers can personalize with a variety of accessories and configurations, including different body styles, wheels, tires, and exterior wraps. This allows for a high degree of individualization, enabling customers to create a vehicle tailored to their specific needs and preferences. The process involves reserving a spot, then selecting options during the ordering phase, with further customization possible even after purchase. The focus is on providing an affordable, adaptable electric vehicle.
Fliar Intelligence Index™ 72how this company ranks against its industry peers
Funding
top 15%Tech
top 31%Market
top 37%Talent
top 38%Growth
top 45%Global
bottom 33%Funding: Raised $1.4B across 3 rounds · 3 rounds over 3 yrs (1.0/yr) · Last round Series C (Apr 2026)
Tech: 37 technologies across 5/8 capability areas · Cloud: Cloudflare, Vercel · Observability: Datadog
Market: Top-100,000 web property
Audience (LinkedIn): 74k LinkedIn followers — 2.2% of this cohort's audience
Funding rounds
- Apr 2026Series C$650M
- Apr 2025Series B$590M
- 2023Series A$111M
Founders & team
Investors
Slauson, Bezos Expeditions, General Catalyst, TWG Global
Tech stack
Amazon AdvertisingAmazon WebstoreApple Icloud MailCloudflareCloudflare Bot ManagementContentful
#5
Series G · Scotts Valley, California · founded 2006 · 224 employees$554.2Mraised▾
Series G · Scotts Valley, California · founded 2006 · 224 employees
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.
Fliar Intelligence Index™ 74how this company ranks against its industry peers
Funding
top 13%Tech
top 25%Moat
top 28%News
top 29%Innovation
top 32%Growth
top 32%Funding: Raised $554M across 55 rounds · 55 rounds over 19 yrs (2.9/yr) · Last round Series G (May 2026)
Tech: 52 technologies across 5/8 capability areas · Cloud: Amazon Web Services, Cloudflare · Observability: Sentry
Moat: Editorial + unicorn rating 8/10 · IP moat: 55 patents · Soonicorn
Funding rounds
- May 2026Series G$15M
- Oct 2024Series G$100.2M
- Sep 2022Series G$107M
- Apr 2022Series F$86.6M
Founders & team
Investors
Invus, Polaris Industries, Hero MotoCorp, Exor, Mbard, California Energy Commission
Tech stack
Amazon Web ServicesAmerican ExpressApple Icloud MailCart FunctionalityCloudflareCloudflare Bot Management
#6
Rivian 🦄Public · Irvine, California · founded 2009 · 16790 employees$10.5Braised▾
Rivian 🦄
Public · Irvine, California · founded 2009 · 16790 employees
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.
Fliar Intelligence Index™ 90how this company ranks against its industry peers
Tech
top 9%Patents
top 10%Market
top 17%Funding
top 18%Innovation
top 22%Moat
top 26%Tech: 83 technologies across 7/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 · Devops: Envoy, Nginx
Patents: 2,609 patents matched (strict assignee match) · 2347 filings since 2022 vs 262 in 2017-21 · Latest publication 2026
Market: 16,790 employees (top 2% of Energy Tech) · Revenue ~$1.4B · Top-100,000 web property
Audience (LinkedIn): 778k LinkedIn followers — 23.6% of this cohort's audience
Activity (LinkedIn): 1 product launches announced in 12 mo
Funding rounds
- Jun 2025Post IPO$1B
- Feb 2022Post IPO—
- Jul 2021Series E$2.5B
- Jan 2021Series E$2.6B
Investors
T. Rowe Price, Ford, BlackRock, Amazon, Illinois, General Motors
Tech stack
Amazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesAmplitudeAngular
#7
Public · San Francisco, California · founded 2017 · 49 employees$420.2Mraised▾
Public · San Francisco, California · founded 2017 · 49 employees
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.
Fliar Intelligence Index™ 57how this company ranks against its industry peers
Funding
top 8%Talent
top 34%News
top 39%Partners
top 45%Growth
top 47%Tech
top 48%Funding: Raised $420M across 12 rounds · 12 rounds over 5 yrs (2.4/yr) · Last round Conventional Debt (Mar 2026)
Talent: Analyst team rating 4/5 · 2 named leaders on record · 2 C-suite/founder profiles curated
News: 9 BI events in 12 mo (of 26 tracked, 4 types) · -31% YoY · 8 high-value events (IPO/M&A/funding/contracts) in 12 mo
Audience (LinkedIn): 68k LinkedIn followers — 2.1% of this cohort's audience
Activity (LinkedIn): 1 product launches · 3 partnerships (incl. Enhanced Geothermal Systems Deployment Coalition (EGS DC)) announced in 12 mo
Funding rounds
- Mar 2026Conventional Debt$421M
- Dec 2025Series E$462M
- Jun 2025Conventional Debt$105.5M
- Jun 2025Series D$100M
Founders & team
Investors
Breakthrough Energy, Capricorn, 3x5 Partners, Helmerich & Payne, Elemental, DCVC
Tech stack
Apple Icloud MailCloudflareCloudflare Bot ManagementCore-JsElementorFancybox
#8
ALSO 🦄Series C · Palo Alto, California · founded 2025$505Mraised▾
ALSO 🦄
Series C · Palo Alto, California · founded 2025
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.
Fliar Intelligence Index™ 76how this company ranks against its industry peers
Funding
top 17%Growth
top 28%Market
top 34%Tech
top 37%Talent
bottom 49%Global
bottom 33%Funding: Raised $505M across 3 rounds · 3 rounds over 1 yrs (3.0/yr) · Last round Series C (Mar 2026)
Growth: Web rank 5,000,000 → 1,000,000 YoY · Fresh capital in last 24 mo
Market: Top-1,000,000 web property · Unicorn
Audience (LinkedIn): 21k LinkedIn followers · 270 engagements/post (6.3× cohort median)
Activity (LinkedIn): 1 product launches · 2 partnerships · 3 awards (incl. TurneDash) announced in 12 mo
Funding rounds
- Mar 2026Series C$200M
- Jul 2025Series B$200M
- Mar 2025Series B$105M
Founders & team
Investors
Eclipse, Greenoaks, DoorDash, Prysm Capital
Tech stack
Apple Icloud MailApple PayCart FunctionalityCloudflareCore-JsEmotion
#9
Series B · Fremont, California · founded 2020 · 225 employees$445.1Mraised▾
Series B · Fremont, California · founded 2020 · 225 employees
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.
Fliar Intelligence Index™ 72how this company ranks against its industry peers
Growth
top 15%News
top 21%Funding
top 23%Patents
top 24%Innovation
top 26%Moat
top 26%Growth: Fresh capital in last 24 mo
News: 7 BI events in 12 mo (of 20 tracked, 5 types) · +600% YoY · 4 high-value events (IPO/M&A/funding/contracts) in 12 mo
Funding: Raised $445M across 4 rounds · 4 rounds over 6 yrs (0.7/yr) · Last round Series B (Mar 2026)
Audience (LinkedIn): 14k LinkedIn followers
Funding rounds
- Mar 2026Series B$300M
- Oct 2023Series B$308.1M
- Sep 2021Series A$125M
- Aug 2020Seed$12M
Founders & team
Investors
SLB, IDG Capital, Aramco Ventures, Full Vision Capital, Plug and Play Tech Center
#10
Crusoe 🦄Series E · Denver, Colorado · founded 2018 · 242 employees$576.9Mraised▾
Crusoe 🦄
Series E · Denver, Colorado · founded 2018 · 242 employees
Operator of cloud platform providing infrastructure for artificial intelligence workloads. The company designs, builds, and operates infrastructure to power artificial intelligence. It offers managed inference, cluster management, and observability. The platform features high-performance compute, accelerated storage, and optimized networking. It provides support for open and open-source models. The company focuses on environmentally aligned power sources.
Fliar Intelligence Index™ 91how this company ranks against its industry peers
Funding
top 11%Partners
top 23%Tech
top 24%Moat
top 26%Market
top 27%AI
top 30%Funding: Raised $577M across 14 rounds · 14 rounds over 7 yrs (2.0/yr) · Last round Conventional Debt (Feb 2026)
Partners: 1 partnership announcement in 12 mo (4 in 24 mo) · 8 contract events in 12 mo · Named contractor/client in 8 deals
Tech: 53 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 · Devops: Nginx
Audience (LinkedIn): 80k LinkedIn followers — 2.4% of this cohort's audience
Funding rounds
- Feb 2026Conventional Debt$300M
- Oct 2025Series E$1.4B
- Aug 2025Venture Debt$175M
- Jun 2025Venture Debt$750M
Founders & team
Investors
Bain Capital Ventures, Winklevoss Capital, DRAGONFLY, Founders Fund, Wicklow Capital, G2 Venture Partners
Tech stack
Amazon AdvertisingAmazon CloudfrontAmazon S3Amazon Web ServicesAmazon WebstoreApple Icloud Mail
#11
Archer 🦄Public · San Jose, California · founded 2018 · 424 employees$1.5Braised▾
Archer 🦄
Public · San Jose, California · founded 2018 · 424 employees
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.
Fliar Intelligence Index™ 67how this company ranks against its industry peers
Funding
top 18%Partners
top 21%Growth
top 24%Tech
top 25%Innovation
top 28%Moat
top 31%Funding: Raised $1.5B across 5 rounds · 5 rounds over 3 yrs (1.7/yr) · Last round Post IPO (Dec 2025)
Partners: 3 partnership announcements in 12 mo (6 in 24 mo) · 15 contract events in 12 mo · Named contractor/client in 15 deals
Growth: Headcount 164 → 424 (+159%) across vintages · 6 acquisition/expansion moves in 24 mo · Fresh capital in last 24 mo
Audience (LinkedIn): 169k LinkedIn followers — 5.1% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Staff GNC Engineer
Funding rounds
- Dec 2025Post IPO—
- Jun 2025Post IPO$850M
- Dec 2024Post IPO$430M
- Aug 2024Post IPO$220M
Founders & team
Investors
United Airlines, Stellantis, Boeing, ARK Investment Management, Wellington, 2PointZero
Tech stack
Amazon Web ServicesAnimate.CssApple Icloud MailBugherdCdnjsCloudflare
#12
BETA 🦄Public · South Burlington, Vermont · founded 2012 · 535 employees$1.2Braised▾
BETA 🦄
Public · South Burlington, Vermont · founded 2012 · 535 employees
Manufacturer of electric aircraft, charging systems, and customized training programs. They build electric vertical and conventional takeoff and landing aircraft. The company also manufactures charge cubes and thermal management systems for electric aircraft and vehicles. In addition, they provide customized training programs for pilots to operate electric aircraft.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 19%Product
top 28%Moat
top 28%Growth
top 32%Tech
top 37%Market
top 48%Funding: Raised $1.2B across 8 rounds · 8 rounds over 5 yrs (1.6/yr) · Last round Grant (prize money) (Oct 2025)
Product: 1 published app (1.8k installs) · Company stage: Public
Moat: Editorial + unicorn rating 9/10 · IP moat: 19 patents · Unicorn
Audience (LinkedIn): 79k LinkedIn followers — 2.4% of this cohort's audience
Activity (LinkedIn): 2 partnerships (incl. Hawaii Airlines and Surf Air Mobility) announced in 12 mo
Funding rounds
- Oct 2025Grant (prize money)$1.8M
- Sep 2025Series C$300M
- May 2025Grant (prize money)$1.8M
- Oct 2024Series C$469.6M
Investors
Fidelity Investments, RedBird Capital Partners, The Climate Pledge, Qatar Investment Authority, TPG, United Therapeutics
Tech stack
Amazon Web ServicesApache Http ServerApple Icloud MailApple PayBootstrapCdnjs
Funding & investor landscape
$125.9Btotal disclosed funding
2,101companies funded
7,228disclosed rounds
43rounds last 90 days
Most active investors
Notable founders
Matthias Aydt
Global CEO · Faraday Future
Zaid Ashai
CEO · Nexamp
Peter Rawlinson
CEO and CTO · Lucid
Bernard Tse
CEO · Lucid
Miles Arnone
Co-Founder · Slate Auto
Jeff Wilke
Co-Founder · Slate Auto
Sam Paschel
CEO · Zero Motorcycles
Jack Norbeck
Co-Founder and CTO · Fervo Energy
Tim Latimer
Co-Founder · Fervo Energy
Chris Yu
Co-Founder · ALSO
Yi Cui
Founder · EnerVenue
Jorg Heinemann
Chief Executive Officer · EnerVenue
Prism market signals · United States · country-scoped Prism corpus, 2,119,908 docs
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
RESEARCH SIGNALS · United States
How research on Grid Energy Storage is moving in the United States
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 5,941 United States-affiliated papers.
research sentiment over time
200820172026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and softening — the enthusiastic (strongly-positive) share moved 60% → 57% across 2008–2026.
top research entities
- Electric Power Research Institute204
- Pacific Northwest National Laboratory202
- Argonne National Laboratory193
- Northeastern University151
- Massachusetts Institute of Technology124
leading researchers
Arumugam Manthiram · Vlachokostas, Alex · Di Wu · Yi Cui · Yury Gogotsi · Wei Wang · Freederia AI Researcher · Guihua Yu
▲
Breakthroughs1,937 · 33%
▼ 34%→32% share
▼0.9× share momentum1 median citations83% since 2021mostly methods-led
Electrolyte research is surging — U.S. breakthrough-segment papers grew from 37 to 318, with Interphase newly emerging at 28.
rising sub-themes (early→recent)
- Battery (electricity)57→359
- Electrolyte37→318
- Electrochemistry30→240
- Cathode32→224
- Anode37→209
Newly emergingEnergy (signal processing) 0→87 · Thermal 0→34 · Interphase 0→28
Landmark Challenges and Prospects of Lithium–Sulfur Batteries · 2,319 cites
◆
Advancements2,724 · 46%
▲ 40%→48% share
▲1.2× share momentum1 median citations87% since 2021mostly methods-led
Renewable energy advancements are intensifying — U.S. papers rose from 40 to 492 as field-share climbed from 40% to 48%.
rising sub-themes (early→recent)
- Renewable energy40→492
- Battery (electricity)59→507
- Power (physics)8→227
- Electrolyte27→244
- Electrochemistry37→240
Newly emergingNuclear engineering 0→34 · Ionic conductivity 0→30 · Efficient energy use 0→30
Landmark Sodium‐Ion Batteries · 4,393 cites
▼
Concerns798 · 13%
▼ 14%→13% share
▼0.9× share momentum2 median citations80% since 2021mostly reviews
Battery degradation concerns are rising — U.S. concern-segment battery papers grew from 35 to 184, with Reliability newly flagged at 19.
rising sub-themes (early→recent)
- Battery (electricity)35→184
- Renewable energy24→156
- Electrolyte13→114
- Electrochemistry10→80
- Cathode9→72
Newly emergingDegradation (telecommunications) 0→21 · Sustainable energy 0→20 · Reliability (semiconductor) 0→19
Landmark Pseudocapacitive oxide materials for high-rate electrochemical energy storage · 5,233 cites
RESEARCH HOTSPOTS · United States
Where energy storage is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
SF Bay Area353 · +0.50
Boston340 · +0.51
Austin119 · +0.42
Atlanta118 · +0.59
Los Angeles108 · +0.58
New York105 · +0.53
Chicago86 · +0.58
San Diego83 · +0.53
Ann Arbor62 · +0.46
Philadelphia61 · +0.47
PATENT SIGNAL · United States
Who's filing energy storage patents in the United States
United States energy storage patent filing is accelerating — 8,522 filings from 3,681 assignees (2016–2025), led by General Electric, ESS Technology, GM Global TECH Operations; annual filings 687→1058.
8,522 filings3,681 assigneespeak 1092/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
- General Electric592
- ESS Technology276
- GM Global TECH Operations233
- Fastcap Systems205
- UNIV California180
- Rondo Energy157
- United Technologies154
- Battelle Memorial Institute146
Common questions
How many Energy Tech companies are there in United States?
Radar tracks 6082 indexable Energy Tech companies headquartered in United States that meet our profile-completeness bar.
What is the total funding raised by Energy Tech companies in United States?
The Energy Tech companies in United States on this list have raised a combined $125.9B in disclosed equity funding across 2101 funded companies.
Which is the highest-funded Energy Tech company in United States?
Rivian is the highest-funded Energy Tech company in United States, with $10.5B in disclosed equity funding.
How many Energy Tech companies in United States are funded?
2101 of the 6082 Energy Tech companies in United States on this list have disclosed at least one equity funding round.
How many Energy Tech unicorns are there in United States?
32 Energy Tech companies in United States on this list are valued at $1B or more.
Who are the top investors in United States Energy Tech companies?
The most active investors in United States Energy Tech companies on this list include OSTI, National Science Foundation, DOE, Climate Capital, Greentown Labs.
Riya SenguptaFinancials
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.