Best Energy Tech Companies in Arizona, United States
The 93 best Energy Tech companies in Arizona, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Nikola Motor.
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 Arizona
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | 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%) | Mark Russell CEO | ApostropheCMSApple iCloud MailMicrosoft 365+27 | — | — |
| 2 | Lessen 🦄 Provider of property maintenance and improvement solutions for commercial and residential | $705M | 41 mo ago | 540 540 → 1,037 (+92%) | Jay McKee Founder & CEO | WebflowApple iCloud MailSwiper+21 | — | 2 internships · 1 launch |
| 3 | Sion Power Develops Li-Sulphur batteries | $385M | 28 mo ago | 113 113 → 93 (-18%) | Dennis Mangino CEO | WordPress Block EditorWordPress Site EditorWordPress+21 | 798 patents Advanced lithium‑metal battery management, cooling, and mechanical stress mitigation technologies. | — |
| 4 | SOURCE Manufacturer of solar powered systems that extract water from air | $239M | 15 mo ago | 109 | Shikha Kapur Co-Founder | ShopifyTailwind CSSShopPad Infinite Options+25 | 24 patents Media handling and sensor-driven print optimization hardware for industrial printing systems | — |
| 5 | eTec Electric Car Charging | $207M | 200 mo ago | — | Jonathan Read ex-CEO & President | — | — | — |
| 6 | 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 | 4 mo ago | — | Subhashish Bhattacharya Co-Founder & CTO | TypeScriptNode.jsTinyMCE+15 | 271 patents Patents concentrated in health & consumer products | 2 partnerships |
| 7 | Climatec Provider of energy efficiency, building automation, and infrastructure modernization solutions | $69M | 161 mo ago | 18 | Jack Kucera CEO | WebflowCloudflare TurnstilereCAPTCHA+7 | — | — |
| 8 | Autonomy App-based platform electric car subscription services 69Funding top 24%Tech top 29%Innovation top 37%Patents top 37% All 12 signals ▾Fundingtop 24% Techtop 29% Innovationtop 37% Patentstop 37% Moattop 38% Talenttop 38% Markettop 41% Growthtop 41% Producttop 45% Globalbottom 44% Customersbottom 39% Newsbottom 33% Funding: Raised $62.8M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Tech: 42 technologies across 6/8 capability areas · Cloud: Amazon Alb, Amazon Cloudfront rank vs industry peers · Fliar Intelligence Index 69/100 | $63M | 6 mo ago | 15,156 | Georg Bauer Co-Founder and President | Node.jsYouTubeAmazon ALB+28 | 34 patents Patents concentrated in computing, sensing & instrumentation | — |
| 9 | ZEVx Platform offering fleet electrification solutions | $41M | 31 mo ago | 77 | — | — | 5 patents Advanced energy generation and storage systems for electric trucks and vehicle chassis | — |
| 10 | Solestial Manufacturer of silicon photovoltaic products designed for space-based solar power | $26M | 13 mo ago | 26 | Stan Herasimenka Co-Founder & CTO | WordPress Block EditorWordPressApple iCloud Mail+29 | — | 1 job opening |
| 11 | First Solar Provider of cadmium telluride-based flexible solar modules | $22M | 13 mo ago | 6,700 6,700 → 6,680 (+0%) | Mike Ahearn Founder | SitecoreApple iCloud MailMicrosoft 365+19 | 1,474 patents Patents concentrated in electrical & electronics | — |
| 12 | FacilitySource Online outsourced facility maintenance and management solutions | $10M | 164 mo ago | 600 | — | — | — | — |
| 13 | Ridgetop Group Developer of battery diagnostics, prognostics, and predictive analytics software tools | $9M | 35 mo ago | — | — | WordPressCart FunctionalityWooCommerce+34 | 28 patents On-chip test structures and health‑monitoring circuits for semiconductor manufacturing diagnostics | 2 launchs |
| 14 | Small Box Energy Cloud-based energy management solutions optimizing facility operations for restaurants, retail, and more | $6M | 112 mo ago | 7 | — | — | — | — |
| 15 | PowerOneData International Advanced metering infrastructure and street lighting management systems | $5M | 164 mo ago | 19 | Ernest Villicana Founder | — | 2 patents Smart electricity metering and automated utility meter reading systems | — |
| 16 | NanoFlex Power Developer of organic solar PV modules | $4M | 53 mo ago | 7 | Dean Ledger CEO & Director | — | — | — |
| 17 | Royalty Advocate Cloud-based digital asset management software for mineral owners | $3M | 62 mo ago | 4 | Eliott Gilson Co-Founder | — | — | — |
| 18 | Legacy EV Developer of electric vehicle conversion kits and components | $3M | 15 mo ago | 5 | Rob Ward CEO and Founder | Cart FunctionalityShopifyYouTube+37 | 252 patents Patents concentrated in health & consumer products | — |
| 19 | Echo Automotive Electric motors and batteries for plug-in hybrid vehicles | $2M | 149 mo ago | — | Dan Kennedy Co-Founder & CEO | — | — | — |
| 20 | Atlis Motor Vehicles Developer of electric pickup trucks | $2M | 43 mo ago | 86 | — | — | 39 patents Patents concentrated in electrical & electronics | — |
| 21 | EnPower Li-ion electrode technology provider | $2M | 35 mo ago | 50 50 → 62 (+24%) | — | WordPress Block EditorElementorWordPress+24 | 73 patents Patents concentrated in electrical & electronics | — |
| 22 | DarkPulse Technologies Developer of engineering, installation, and security management solutions for industries | $850K | 62 mo ago | 213 | — | WordPressMySQLPHP+16 | — | 1 job opening |
| 23 | Ronn Motor Group Platform offering hydrogen fuel cell automaker designing sustainable mobility solutions | $350K | 107 mo ago | 60 | — | Squarespace CommerceSquarespaceVimeo+11 | — | — |
| 24 | Buzze Mobile app for scheduling and booking EV charger | $325K | 4 mo ago | 3 | Aaron Lieberman Founder & CEO | HubSpot CMS HubAmazon Web ServicesSplide+15 | — | — |
| 25 | EarthEn Developer of thermo-mechanical energy storage solutions | $275K | 19 mo ago | 9 | Karthi Chakravarty Co-Founder | — | — | — |
| 26 | Local Motors Developer of open platforms for vehicle design, manufacturing, and community | $250K | 61 mo ago | 86 | — | — | 39 patents 3D‑printed structural components and processes for automotive and mobility applications | — |
| 27 | Delta Thermal AI and cloud-driven platform offering thermal imaging solutions for monitoring electrical substations | $150K | 50 mo ago | 4 | Sonny Cray Co-Founder | — | 12 patents Thermal imaging systems for vehicle wheel monitoring and high‑speed object detection | — |
| 28 | Phat Rides Manufacturer of electric scooters | $150K | 51 mo ago | 19 | — | — | — | — |
| 29 | PoG Technologies Device to monitor AC filters | $100K | 119 mo ago | — | Mike Mayer Co-Founder | — | — | — |
Top 12 Energy Tech companies in Arizona
#1
Series A · Tempe, Arizona · founded 2022$80Mraised▾
Provider of a DC fast charger for electric vehicles. The charger is based on single-unit L3 DC fast charging technology for optimized fast charging.
- Feb 2026Series A$60M
- Dec 2024Seed$20M
#2
Public · Phoenix, Arizona · founded 2015 · 870 employees$760Mraised▾
Developer of electric trucks. The platform offers semi-trucks, pickup trucks, refuse collectors, and hydrogen fuel-cell electric sleeper semi-trucks. It develops various models of trucks like NikolaTre, Nikola Two, and Nikola Eneryu with features like dual-speed compression, an infotainment display, independent quad electric motors, a digital cockpit, and more.
- May 2025Grant (prize money)$998.4K
- Aug 2023Grant (prize money)$16.3M
- Jul 2023Grant (prize money)$41.9M
- Aug 2021Grant (prize money)$2M
#3
Acquired · Phoenix, Arizona · founded 1996 · 15156 employees$62.8Mraised▾
Autonomy is an app-based platform for electric car subscription services. Its platform enables users to find cars and can subscribe to the one they want. Its subscription plan includes title and registration, routine maintenance, roadside assistance, and more. Mobile applications are available for Android and iOS users.
- Nov 2025Conventional Debt$25M
- Jan 2022Venture Debt$50M
- Dec 2021Series A$32.8M
- Feb 2021Unattributed$30M
#4
Series D · Scottsdale, Arizona · founded 2015 · 109 employees$238.9Mraised▾
Manufacturer of solar powered systems that extract water from air. These systems utilize atmospheric water vapor to produce liquid water. The technology employs solar energy to convert vapor into a liquid state, which is then mineralized for consumption. The resulting water is stored within the unit until it is dispensed for use. These systems are designed for residential, community, and commercial applications.
- Feb 2025Series D$19.3M
- Jul 2022Series D$130M
- Apr 2022Series D$108.9M
- Jun 2020Series C$50M
#5
Acquired · Tempe, Arizona · founded 2013 · 26 employees$26.2Mraised▾
Manufacturer of silicon photovoltaic products designed for space-based solar power. These products offer radiation-hardened solutions engineered for optimal performance in space environments. The company provides flexible solar power modules that can be integrated with various solar array deployment systems. Integrated solar power modules are also available for spacecraft installation.
- May 2025Series A$17M
- Sep 2024Series A$15.1M
- Oct 2022Seed$11.2M
- Aug 2021Grant (prize money)$999.8K
#6
Public · Tempe, Arizona · founded 1999 · 6700 employees$21.7Mraised▾
Provider of cadmium telluride-based flexible solar modules. It develops solar modules with advanced semiconductor technology and provides comprehensive PV system solutions. It also manages the comprehensive collection and recycling program for solar modules.
- May 2025Grant (prize money)$8M
- Apr 2025Grant (prize money)$5.2M
- Jan 2025Grant (prize money)$8M
- Jan 2018Post IPO$488K
#7
Series D · Tucson, Arizona · founded 1995 · 113 employees$385.3Mraised▾
Develops Li-Sulphur batteries. The platform develops a new generation of high-energy, rechargeable lithium-Sulphur batteries for portable power, mobile electronics, and electric vehicles. Higher energy is available from sulfur ions compared to other lithium.
- Jan 2024Series D$75M
- Nov 2021Series D$260.3M
- Dec 2011Series C$50M
- Jun 2010Grant (prize money)—
#8
Seed · Phoenix, Arizona · founded 2022 · 3 employees$325Kraised▾
Mobile app for scheduling and booking EV charger. It allows you to set a schedule when the neighbors can use the charger and recieve notifications when neighbors book the charger.
- Jan 2026Seed$225K
- May 2023Seed$100K
#9
Lessen 🦄Series C · Scottsdale, Arizona · founded 2019 · 540 employees$705Mraised▾
Provider of property maintenance and improvement solutions for commercial and residential. The company offers services including repairs, maintenance, capital projects, and make-readies. It focuses on simplifying complexities and delivering value through technology and a vendor network. The company serves commercial occupiers, owners, residential owners, and managers.
- Jan 2023Conventional Debt—
- Jan 2023Series C$500M
- Nov 2021Series B$170M
- Jun 2021Series A$35M
#10
Series A · Phoenix, Arizona · founded 2013 · 5 employees$2.7Mraised▾
Developer of electric vehicle conversion kits and components. The company develops various models of electric vehicle conversions kits for four-wheelers. Also, it offers various components for electric vehicles. It also offers a retailer platform for these kits and components. It provides a learning platform for electric vehicels.
- Mar 2025Series A$3.2M
- Feb 2022Seed$2.7M
#11
Series B · Gilbert, Arizona · founded 2017 · 77 employees$41Mraised▾
Platform offering fleet electrification solutions. The company offers solutions to electrify the fleets of mid-duty vehicles. The process includes powertrain electrification, energy capture & regeneration, and providing power management solutions & management software.
- Nov 2023Series B$15.9M
- Feb 2023Series B$20M
- Jun 2022Series A$5.1M
- Dec 2020Seed—
#12
Acquired · Phoenix, Arizona · founded 1996$207.4Mraised▾
Electric Transportation Engineering Corporation (eTec), a wholly-owned subsidiary of ECOtality, worked on research, development and testing of advanced transportation and energy systems. Specializing in alternative-fuel, hybrid and electric vehicles and infrastructures, eTec eas committed to developing and commercially advancing clean electric technologies with clear market advantages. eTec's flagship product Minit-Charger - fast battery charging systems designed for electric vehicles, airport ground support equipment and material handling applications - allowed for faster charging with less heat generation and longer battery life than conventional chargers.
- Sep 2009Grant (prize money)$197.9M
- Aug 2009Grant (prize money)$8M
- Apr 2009Grant (prize money)$295K
- Feb 2007Grant (prize money)$1.2M
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
What Arizona researches in energy storage
Arizona State University and University of Arizona dominantly research microgrid control and advanced battery technologies, with an optimistic stance (0.53) reflected in 21 breakthrough/advancement papers versus 2 concern papers.
- Arizona State University21
- University of Arizona4
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.