Best Energy Tech Companies in Austin, United States
The 120 best Energy Tech companies in Austin, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Base Power.
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 Austin
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 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 | — | 2023 | Justin Lopas COO & Co-Founder | WebflowGoogle MapsVimeo+29 | — | 1 job opening · 1 expansion |
| 2 | tesla Tesla Motors is an electric vehicle and clean energy company that provides electric cars, solar, and… | $404M | 28 mo ago | 127,855 | 2003 | — | DrupalSentryZendesk+28 | 2,480 patents Advanced battery cell design, power electronics, autonomous vision, and electric drivetrain components | — |
| 3 | HelioVolt Manufacturer of solar panels | $257M | 154 mo ago | 102 | 2001 | B Stanbery Founder | — | 82 patents Advanced CIGS thin‑film solar cell materials, deposition precursors, and process engineering | — |
| 4 | Illumitex LED grow lights for horticulture, industrial, and architecture | $78M | 101 mo ago | 22 | 2005 | Paul Winberg Co-Founder | — | 91 patents LED horticultural lighting and optical systems for plant growth and insect monitoring | — |
| 5 | RF Code RFID-based asset and environmental monitoring solution | $64M | 91 mo ago | 33 33 → 76 (+130%) | 1997 | Dale Quayle President and CEO | HubSpot CMS HubSalesforceAmazon Web Services+22 | 545 patents Secure data obfuscation, network watermarking, and barcode/NFC authentication technologies. | — |
| 6 | Silvercar App-based car rental platform | $60M | 125 mo ago | 150 | 2012 | — | — | 14 patents Automotive remote access and authentication systems for vehicle entry | — |
| 7 | MTPV Manufacturer of photovoltaic cells based on micron-gap thermophotovoltaics technology | $45M | 92 mo ago | 17 | 2003 | — | — | 8 patents Micro-gap thermophotovoltaic systems for high-efficiency thermal‑to‑electric conversion | — |
| 8 | Green Revolution Cooling Provider of oil immersion cooling for data centers | $43M | 50 mo ago | 25 25 → 38 (+52%) | 2009 | Peter Poulin CEO | WordPressMySQLPHP+32 | 104 patents Immersion liquid cooling systems for horizontal multi‑rack data center servers | 1 launch · 2 awards |
| 9 | Hypersciences Offering solutions for high-velocity drilling technology | $33M | 18 mo ago | 19 | 2014 | Mark Russell Founder & CEO | WordPressMySQLPHP+21 | 47 patents High‑velocity projectile drilling and ram‑accelerator systems for deep earth excavation and thermal energy generation. | — |
| 10 | Yotta Energy Provider of solar energy storage systems | $32M | 33 mo ago | 42 | 2017 | — | — | — | 2 awards |
| 11 | Ketra Offers dynamic LED lighting fixtures | $31M | 132 mo ago | 78 | 2009 | — | HubSpot CMS HubSalesforceReact+23 | 95 patents Smart lighting systems controlling color temperature and brightness for automated daylight emulation | — |
| 12 | Seismos Provider of subsurface intelligence and analytics for oil and gas sectors | $30M | 23 mo ago | 47 47 → 75 (+60%) | 2013 | Panos Adamopoulos Founder & CEO | — | 35 patents Acoustic diagnostics for fluid flow and fracture evaluation in oil‑well completions | — |
| 13 | KLD Energy Electric Motors | $28M | 168 mo ago | 52 | 2007 | — | — | — | — |
| 14 | Terradepth Provider of autonomous subsea intelligence platform delivering actionable ocean data | $28M | 49 mo ago | 20 20 → 50 (+150%) | 2018 | Joe Wolfel Co-Founder & CEO | WordPressMySQLPHP+26 | 14 patents Autonomous marine survey vehicles with fuel‑cell power and sky‑based geolocation systems | 1 job opening · 1 partnership |
| 15 | Cleartrace Cloud-based platform to track and manage carbon footprint | $26M | 47 mo ago | 41 | 2017 | John Redpath Co-Founder | WordPressApple iCloud MailGoogle Workspace+27 | — | — |
| 16 | Active Power Manufacturer of flywheel uninterruptible power supply systems and power technologies | $23M | 148 mo ago | 80 | 1992 | — | WordPressMySQLPHP+16 | 94 patents Integrated motor‑generator flywheel UPS systems with magnetic thrust reduction and fluid control | — |
| 17 | Talus Sustainable ammonia production technology | $22M | 31 mo ago | — | 2021 | Hiro Iwanaga Co-Founder | WebflowSendgridMicrosoft 365+10 | 27 patents Automotive interior storage systems and portable cargo organization solutions | — |
| 18 | TOTUS Solutions Offers outdoor lighting-based security platforms for security grid solutions | $19M | 129 mo ago | 20 | 2009 | — | — | 5 patents Intelligent pharmaceutical packaging and modular IoT security/lighting grid systems. | — |
| 19 | Volcon Manufacturer of all-electric utility vehicles for work and recreational purposes | $18M | 11 mo ago | 35 | 2020 | Andy Leisner CEO | Cart FunctionalityShopifyApple iCloud Mail+31 | 9 patents Electric two‑wheel vehicles and off‑road components, including motors, frames, and tires. | — |
| 20 | Grid4C IoT, AI & SaaS-driven predictive analytics solution for energy sector demand forecasting & energy intelligence | $12M | 76 mo ago | 1 | 2013 | — | — | — | — |
| 21 | Haven Energy Online platform offering energy storage solutions | $11M | 6 mo ago | 10 | 2022 | Philip Krim Co-Founder | SentryNode.jsClerk+24 | — | — |
| 22 | Sheetak Thermoelectric chips manufacturer | $11M | 160 mo ago | 19 | 2007 | Uttam Ghoshal Founder | WordPressMySQLPHP+16 | 79 patents Thermoelectric energy conversion and regulated temperature containers using phase‑change materials. | 2 job openings · 5 launchs |
| 23 | Valence Manufacturer of li ion battery systems | $11M | 195 mo ago | 28 | 1989 | — | SanityNode.jsTailwind CSS+7 | — | — |
| 24 | Daylight Made with love Provider of energy monitoring and energy efficient products | $9M | 7 mo ago | — | 2020 | Udit Patel Co-Founder / CTO | Node.jsTailwind CSSReact+16 | — | — |
| 25 | Group1 Provider of Potassium-ion battery solutions | $8M | 27 mo ago | 17 | 2021 | Yakov Kutsovsky Co-Founder | Cart FunctionalitySquarespace CommerceSquarespace+11 | — | — |
| 26 | Novi Data Analytics Platform for Oil & Gas Sector | $7M | 11 mo ago | 24 | 2013 | Scott Sherwood CEO | WordPressSentryMySQL+33 | — | — |
| 27 | Actacell Developer of materials for lithium-ion battery | $7M | 165 mo ago | 5 | 2007 | — | — | — | — |
| 28 | Solar Power Technologies Provides power optimization and monitoring solutions | $6M | 185 mo ago | — | 2009 | Jeff Williams Founder | — | 230 patents High‑efficiency multijunction photovoltaic cells with advanced surface passivation and low‑temp contacts | — |
| 29 | MineralSoft Online Platform for mineral rights and royalty management | $6M | 100 mo ago | 35 | 2015 | — | — | — | — |
| 30 | Zeno Provider of cloud-based energy management solutions for commercial applications | $6M | 72 mo ago | 17 | 2020 | — | WordPressMySQLPHP+22 | 20 patents AI-powered call annotation tools and heat-based dermatological treatment devices | — |
| 31 | Plum Life Provider of smart lighting control systems | $5M | 108 mo ago | 7 | 2012 | Glen Burchers Co-Founder & CMO | — | — | — |
| 32 | Rolled-Ribbon Battery High-power, high-capacity Li-ion batteries for demanding applications | $4M | 101 mo ago | — | 2016 | Thomas Kaun Founder & CEO | — | — | — |
| 33 | Ferry App-based platform offering multi-category electric vehicle subscription services | $4M | 52 mo ago | 7 | 2021 | T Russell Founder & CEO | — | — | — |
| 34 | Bodhi Provider of cloud-based sales and design management software for solar business | $4M | 52 mo ago | 8 | 2018 | — | WebflowPlyrHubSpot+17 | 40 patents Patents concentrated in transport & manufacturing processes | — |
| 35 | THG Energy Solutions Provider of software solution for utility connection monitoring and demand response management | $4M | 85 mo ago | 31 31 → 32 (+3%) | 2003 | Todd Sobocinski Managing Director | Information Security | — | — | — |
| 36 | Bractlet SaaS-driven building energy management solution provider | $2M | 77 mo ago | 16 | 2011 | — | — | — | — |
| 37 | Lower48 Analytics Cloud-based software for upstream oil & gas asset management | $2M | 107 mo ago | — | 2017 | Matt Freivald Co-Founder | — | — | — |
| 38 | ResilientGrid Provider of electric utility and power grid management solutions | $2M | 43 mo ago | 4 | 2016 | Lance Ransom Chief Operating Officer and Co-Founder | — | — | — |
| 39 | Dash Energy Dash Energy is a company that provides an easy way to switch to renewable energy. | $1M | 67 mo ago | 12 | 2019 | — | — | — | — |
| 40 | Curb Energy monitoring solutions provider | $1M | 128 mo ago | 16 | 2012 | — | — | 19 patents Patents concentrated in electrical & electronics | — |
| 41 | SmarteBuilding Optimizing building energy, security, and sustainability through innovative control systems | $735K | 146 mo ago | 3 | 2007 | Michael Cation Co-Founder | — | — | — |
| 42 | VertiShear Seismic data processing technology provider | $700K | 107 mo ago | 3 | 2010 | — | — | — | — |
| 43 | Starlight Charging EV charging station management | $500K | 24 mo ago | — | 2023 | Andrew Kouri Founder & CEO | — | — | — |
| 44 | LOKL Wind Developer of vertical axis wind turbines | $500K | 25 mo ago | — | 2023 | Louis-Philippe Lalonde CEO | — | — | — |
| 45 | Graphene Energy Blog providing information on Trumf Visa credit cards and finance | $500K | 209 mo ago | — | 2008 | Dileep Agnihotri Acting CEO | — | — | — |
| 46 | Gridmates Peer to Peer energy sharing for people who can't pay for the energy needs | $329K | 108 mo ago | 4 | 2014 | George Koutitas Co-Founder & CEO | — | — | — |
| 47 | Arintra AI powered autonomous medical coding solution for hospitals | $125K | 10 mo ago | 2 | 2020 | Nitesh Shroff Co-Founder & CEO | WebflowHubSpotcore-js+16 | — | 2 awards |
Top 12 Energy Tech companies in Austin
#1
Series C · Austin, Texas · founded 2023$1.3Braised▾
Provider of battery storage system. They offer home battery storage solutions empowering households to take control of their energy needs. They leverage cutting edge technology to provide whole home backup power protection with a focus on reducing electricity costs and mitigating the impact of power outages.
- Oct 2025Series C$1B
- Apr 2025Series B$200M
- May 2024Series A$68M
#2
Series B · Austin, Texas · founded 2022 · 10 employees$11.2Mraised▾
Online platform offering energy storage solutions. It offers battery systems designed for residential use and offers solutions including backup power, lower electric bills, and effortless installation for homes.
- Dec 2025Series B$40M
- Dec 2025Conventional Debt—
- Jan 2024Series A$7M
- Apr 2023Seed$4.2M
#3
Series B · Austin, Texas · founded 2020$9Mraised▾
Provider of energy monitoring and energy efficient products. It provides an end to end ecosystem that enables to access the full amount of savings from energy resources and monitor energy consumption. It also provides products such as HVAC systems, heat pump water heater, solar and storage, and more. Its mobile app is available for both the iOS and Android platform.
- Nov 2025Series B$15M
- Jul 2024Series A$9M
- 2021Seed—
#4
Public · Austin, Texas · founded 2020 · 35 employees$17.5Mraised▾
Manufacturer of all-electric utility vehicles for work and recreational purposes. The company provides light utility vehicles designed for both work and leisure activities. These vehicles are energy-efficient and intended to deliver performance without aesthetic sacrifices. The company offers vehicles suitable for heavy-duty jobs, off-roading, and challenging terrain, serving both commercial and recreational applications.
- Jul 2025Post IPO$501.4M
- Aug 2022Post IPO$27.2M
- Jun 2021Series B$17.5M
#5
Series B · Austin, Texas · founded 2013 · 24 employees$7Mraised▾
Novi Labs is a US-based company focused on providing data analytic solutions to the shale-focused oil and gas operators. The Novi Solution uses the combination of machine learning, predictive analytics, data science and optimized oil and gas data models to drive critical well-planning workflows including well selection, completions design, lateral spacing, post-drill surveillance, acquisition & divestiture, developmental drilling pilots, and non-op well participation.
- Jun 2025Series B$35M
- May 2019Series A$7M
- Sep 2017Series A—
#6
Series A · Austin, Texas · founded 2014 · 19 employees$33Mraised▾
Offering solutions for high-velocity drilling technology. The company is working on developing a drilling system HyperDrill based on the RAM accelerator technology. The technology is capable of firing projectiles.
#7
Public · Austin, Texas · founded 2003 · 127855 employees$404.4Mraised▾
Founded in 2003 and based in Palo Alto, California, Tesla is a vertically integrated sustainable energy company that also aims to transition the world to electric mobility by making electric vehicles. The company sells solar panels and solar roofs for energy generation plus batteries for stationary storage for residential and commercial properties including utilities. Tesla has multiple vehicles in its fleet, which include luxury and midsize sedans and crossover SUVs. The company also plans to begin selling more affordable sedans and small SUVs, a light truck, a semi truck, and a sports car. Global deliveries in 2022 were a little over 1.3 million vehicles.
#8
Series C · Austin, Texas · founded 2013 · 47 employees$29.5Mraised▾
Provider of subsurface intelligence and analytics for oil and gas sectors. It offers acoustic sensing technology for real-time monitoring and optimization of operations. The company's technology supports intelligent completions, pipeline integrity, and geothermal stimulation. It delivers data for optimizing stage design, fluid placement, and perforation strategy. The company provides solutions for supervised and unsupervised closed-loop fracturing.
- Jul 2024Series C$15M
- Dec 2018Series B$10.5M
- Sep 2016Series A—
- Apr 2015Series A$4M
#9
Series A · Austin, Texas · founded 2020 · 2 employees$125Kraised▾
AI powered autonomous medical coding solution for hospitals. The platform automatically assigns appropriate codes for diagnoses, procedures, and services by analyzing clinical documentations. It also offers analytics dashboards, detailed reporting, and explainable audit trails to enhance compliance, and accuracy in coding processes. The system is bi directionally integrated with leading electronic health record systems such as Epic and Cerner, enabling seamless processing of patient data directly into billing claims.
- Aug 2025Series A$21M
- Mar 2024Seed—
- Mar 2023Seed—
- Mar 2022Seed$500K
#10
Series B · Austin, Texas · founded 2017 · 42 employees$32.3Mraised▾
Provider of solar energy storage systems. It offers a panel-level storage system called SolarLEAF that is connected with a wireless mesh transceiver. Also, offers a software solution that allows remote monitoring and control of the SolarLEAF system.
- Sep 2023Series B$8M
- Nov 2022Series A—
- Aug 2022Grant (prize money)$1.2M
- Apr 2022Series A$3.5M
#11
Series A · Austin, Texas · founded 2021$22Mraised▾
Sustainable ammonia production technology. It develops green ammonia for ferilizer manufacturing applications. It helps to reduce carbon emissions and costs involved in production.
- Nov 2023Series A$22M
#12
Seed · Austin, Texas · founded 2021 · 17 employees$7.5Mraised▾
Provider of Potassium-ion battery solutions. It provides potassium-ion batteries (KiBs), free of critical minerals such as Nickel, Cobalt, Copper, or Lithium. It delivers faster charging with safety and higher energy density.
- Mar 2024Grant (prize money)$275K
- Aug 2023Seed$250K
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 Austin is moving
A read on the academic research around Energy Storage in Austin — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 119 papers.
UT Austin and Austin College lead Austin's battery materials and technologies research (119 papers, recent-skewing), with an optimistic but cautiously mixed tone (mean stance 0.42).
- The University of Texas at Austin119
- Austin College1
- Battery (electricity)2→8
- Electrode1→5
- Electrolyte1→5
- Chemical engineering1→3
- Electrochemistry3→4
- Grid1→7
- Photovoltaic system1→6
- Electrolyte2→5
- Battery (electricity)5→7
- Battery (electricity)2→6
- Electrode1→3
- Electrolyte1→3
- Lithium (medication)3→4
- Anode4→5
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.