Best Environment Tech Companies in Austin, United States
The 98 best Environment Tech companies in Austin, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: tesla.
Our analysis of 83 Environment Tech companies
$16.0b in tracked funding; 90% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment Tech companies in Austin
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | tesla Tesla Motors is an electric vehicle and clean energy company that provides electric cars, solar, and… | $404M | 28 mo ago | 127,855 | — | DrupalSentryZendesk+28 | Top 5k | 2,480 patents Advanced battery cell design, power electronics, autonomous vision, and electric drivetrain components | — |
| 2 | HelioVolt Manufacturer of solar panels | $257M | 154 mo ago | 102 | B Stanbery Founder | — | — | 82 patents Advanced CIGS thin‑film solar cell materials, deposition precursors, and process engineering | — |
| 3 | Illumitex LED grow lights for horticulture, industrial, and architecture | $78M | 101 mo ago | 22 | Paul Winberg Co-Founder | — | — | 91 patents LED horticultural lighting and optical systems for plant growth and insect monitoring | — |
| 4 | RF Code RFID-based asset and environmental monitoring solution | $64M | 91 mo ago | 33 33 → 76 (+130%) | Dale Quayle President and CEO | HubSpot CMS HubSalesforceAmazon Web Services+22 | Top 10M | 545 patents Secure data obfuscation, network watermarking, and barcode/NFC authentication technologies. | — |
| 5 | Olea Edge Analytics Provider of pressure monitoring and meter health analytics for utilities | $51M | 56 mo ago | 71 | — | — | — | — | — |
| 6 | MTPV Manufacturer of photovoltaic cells based on micron-gap thermophotovoltaics technology | $45M | 92 mo ago | 17 | — | — | — | 8 patents Micro-gap thermophotovoltaic systems for high-efficiency thermal‑to‑electric conversion | — |
| 7 | Green Revolution Cooling Provider of oil immersion cooling for data centers | $43M | 50 mo ago | 25 25 → 38 (+52%) | Peter Poulin CEO | WordPressMySQLPHP+32 | Top 10M | 104 patents Immersion liquid cooling systems for horizontal multi‑rack data center servers | 1 launch · 2 awards |
| 8 | Yotta Energy Provider of solar energy storage systems | $32M | 33 mo ago | 42 | — | — | — | — | 2 awards |
| 9 | Ketra Offers dynamic LED lighting fixtures | $31M | 132 mo ago | 78 | — | HubSpot CMS HubSalesforceReact+23 | Top 5M | 95 patents Smart lighting systems controlling color temperature and brightness for automated daylight emulation | — |
| 10 | CleanPlanet Chemical Provider of chemical and solvent recycling solutions | $30M | 15 mo ago | 19 19 → 37 (+95%) | — | — | — | — | — |
| 11 | Terradepth Provider of autonomous subsea intelligence platform delivering actionable ocean data | $28M | 49 mo ago | 20 20 → 50 (+150%) | Joe Wolfel Co-Founder & CEO | WordPressMySQLPHP+26 | Top 10M | 14 patents Autonomous marine survey vehicles with fuel‑cell power and sky‑based geolocation systems | 1 job opening · 1 partnership |
| 12 | Cleartrace Cloud-based platform to track and manage carbon footprint | $26M | 47 mo ago | 41 | John Redpath Co-Founder | WordPressApple iCloud MailGoogle Workspace+27 | Top 50M | — | — |
| 13 | Active Power Manufacturer of flywheel uninterruptible power supply systems and power technologies | $23M | 148 mo ago | 80 | — | WordPressMySQLPHP+16 | Top 10M | 94 patents Integrated motor‑generator flywheel UPS systems with magnetic thrust reduction and fluid control | — |
| 14 | TOTUS Solutions Offers outdoor lighting-based security platforms for security grid solutions | $19M | 129 mo ago | 20 | — | — | — | 5 patents Intelligent pharmaceutical packaging and modular IoT security/lighting grid systems. | — |
| 15 | Grid4C IoT, AI & SaaS-driven predictive analytics solution for energy sector demand forecasting & energy intelligence | $12M | 76 mo ago | 1 | — | — | — | — | — |
| 16 | Sheetak Thermoelectric chips manufacturer | $11M | 160 mo ago | 19 | Uttam Ghoshal Founder | WordPressMySQLPHP+16 | Top 10M | 79 patents Thermoelectric energy conversion and regulated temperature containers using phase‑change materials. | 2 job openings · 5 launchs |
| 17 | Pani Provider of AI-based connected water purifiers | $10M | 22 mo ago | 9 | Allen Tsai Founder | — | — | — | — |
| 18 | Daylight Made with love Provider of energy monitoring and energy efficient products | $9M | 7 mo ago | — | Udit Patel Co-Founder / CTO | Node.jsTailwind CSSReact+16 | Top 10M | — | — |
| 19 | Solar Power Technologies Provides power optimization and monitoring solutions | $6M | 185 mo ago | — | Jeff Williams Founder | — | — | 230 patents High‑efficiency multijunction photovoltaic cells with advanced surface passivation and low‑temp contacts | — |
| 20 | Plum Life Provider of smart lighting control systems | $5M | 108 mo ago | 7 | Glen Burchers Co-Founder & CMO | — | — | — | — |
| 21 | Earthly Labs Provider of solutions for carbon capture | $5M | 43 mo ago | 12 | — | — | — | 2 patents Patents concentrated in transport & manufacturing processes | — |
| 22 | Banyan Water Smart water management company | $5M | 90 mo ago | 15 15 → 17 (+13%) | Gillan Taddune CEO | WordPressMySQLPHP+20 | Top 50M | — | — |
| 23 | Bodhi Provider of cloud-based sales and design management software for solar business | $4M | 52 mo ago | 8 | — | WebflowPlyrHubSpot+17 | Top 10M | 40 patents Patents concentrated in transport & manufacturing processes | — |
| 24 | THG Energy Solutions Provider of software solution for utility connection monitoring and demand response management | $4M | 85 mo ago | 31 31 → 32 (+3%) | Todd Sobocinski Managing Director | Information Security | — | — | — | — |
| 25 | P6 Technologies Provider of software solutions for level life cycle analysis of transportation fuels and petrochemicals | $3M | 34 mo ago | 9 | Thierry Pilenko Founder and Board Member | WordPressBetterDocsSentry+33 | Top 50M | — | — |
| 26 | Bractlet SaaS-driven building energy management solution provider | $2M | 77 mo ago | 16 | — | — | — | — | — |
| 27 | ResilientGrid Provider of electric utility and power grid management solutions | $2M | 43 mo ago | 4 | Lance Ransom Chief Operating Officer and Co-Founder | — | — | — | — |
| 28 | Dash Energy Dash Energy is a company that provides an easy way to switch to renewable energy. | $1M | 67 mo ago | 12 | — | — | — | — | — |
| 29 | Curb Energy monitoring solutions provider | $1M | 128 mo ago | 16 | — | — | — | 19 patents Patents concentrated in electrical & electronics | — |
| 30 | SmarteBuilding Optimizing building energy, security, and sustainability through innovative control systems | $735K | 146 mo ago | 3 | Michael Cation Co-Founder | — | — | — | — |
| 31 | Savimbo Online platform to offset the carbon footprint | $570K | 14 mo ago | 7 | Drea Burbank Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+35 | Top 50M | — | — |
| 32 | LOKL Wind Developer of vertical axis wind turbines | $500K | 25 mo ago | — | Louis-Philippe Lalonde CEO | — | — | — | — |
| 33 | Gridmates Peer to Peer energy sharing for people who can't pay for the energy needs | $329K | 108 mo ago | 4 | George Koutitas Co-Founder & CEO | — | — | — | — |
| 34 | Aiqueous Provider of software solutions for water utilities | $250K | 85 mo ago | 18 | Daniel Merchant Co-Founder & VP | — | — | — | — |
| 35 | GrubTubs Provider of an online platform offering food waste recycling services | $180K | 94 mo ago | 11 | Robert Olivier Founder & CTO | — | — | — | — |
| 36 | Arintra AI powered autonomous medical coding solution for hospitals | $125K | 10 mo ago | 2 | Nitesh Shroff Co-Founder & CEO | WebflowHubSpotcore-js+16 | Top 5M | — | 2 awards |
| 37 | Shower Stream Developer of smart IOT-based showers | $100K | 43 mo ago | 5 | Greg Floyd Co-Founder & CEO | WordPressMySQLPHP+14 | Top 50M | — | — |
Top 12 Environment Tech companies in Austin
#1
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—
#2
Late Stage · Austin, Texas · founded 2011 · 19 employees$30Mraised▾
Provider of chemical and solvent recycling solutions. It specializes in solvent recycling through distillation technology.
- Mar 2025PE$30M
#3
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.
#4
Series A · Austin, Texas · founded 2018 · 9 employees$10Mraised▾
Provider of AI-based connected water purifiers. The company has developed a connected smart home product that helps consumers and water utilities better understand residential water usage and reduce the bill for the same. The device can be retrofitted into any water appliance in the house and connects to the home Wi-Fi network for passively measuring water use in showers, faucets, and toilets. The company claims that the solution uses smart learning algorithms to measure water usage in real-time, by individual appliances, and lets the user know how much water they are using and if they have a leak, the same day, through a companion smartphone application.
- Jul 2024Series A$6.7M
- Nov 2021Seed$2.3M
- Sep 2018Angel$1M
#5
Funding Raised · Austin, Texas · founded 2022 · 7 employees$570Kraised▾
Online platform to offset the carbon footprint. They work with farmers in tropical forests to create, certify, and sell biodiversity and carbon credits.
- Mar 2025Grant (prize money)$295K
- Jul 2024Grant (prize money)$275K
#6
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
#7
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
#8
Series C · Austin, Texas · founded 2001 · 102 employees$256.7Mraised▾
Manufacturer of solar panels. It designs and develops thin film monolithic solar modules. These glass laminated modules are compatible with existing industry installation tools and practices.
- Aug 2013Series C$19M
- Dec 2012Series C$12.2M
- Sep 2011Series C$85M
- Jan 2011Conventional Debt$8.5M
#9
Series C · Austin, Texas · founded 2009 · 25 employees$43Mraised▾
Green Revolution Cooling is a provider of oil immersion cooling for data centers. The modular data center features as a capital light and energy-efficient solution. The CarnotJet System is a liquid immersion cooling solution for data center servers. Rack-mounted servers from any OEM can be installed in special racks filled with a dielectric mineral oil blend called ElectroSafe, an electrical insulator with more heat capacity by volume than thin air.
- Mar 2022Series C$28M
- Jul 2020Series B$7M
- Oct 2013Grant (prize money)$1M
- Apr 2012Grant (prize money)$150K
#10
Series C · Austin, Texas · founded 2014 · 71 employees$50.6Mraised▾
Provider of pressure monitoring and meter health analytics for utilities. The company delivers pressure intelligence to municipal distribution systems. It offers a platform that pairs with meter health analytics to provide a view of network health. The platform monitors pressure, prevents main breaks, and provides alerts for pressure anomalies. It also offers diagnostics to identify meter issues and prioritize meters impacting budgets.
- Oct 2021Series C$35M
- Feb 2020Series A$9M
- Mar 2018Series A$3.1M
- Apr 2017Series A$3.5M
#11
Series B · Austin, Texas · founded 2018 · 20 employees$28Mraised▾
Provider of autonomous subsea intelligence platform delivering actionable ocean data. The platform facilitates data collection, processing, integration, and action across missions and organizations. It offers a maritime autonomy stack enabling interoperability across autonomous systems. The platform supports command and control, infrastructure monitoring, stakeholder collaboration, resource mapping, and threat detection. It integrates data from various sources, including autonomous underwater vehicles, sensors, and public datasets.
- May 2022Grant (prize money)$100K
- Apr 2022Series B$20M
- Dec 2019Series A$8M
#12
Series B · Austin, Texas · founded 2017 · 41 employees$25.7Mraised▾
Cloud-based platform to track and manage carbon footprint. It offers climate accounting as a service platform to process audit trail across the energy supply chain enabling a truly digital and connected means of reporting, auditing, compliance, and more
- Jun 2022Series B$20M
- Dec 2020Series A$4M
- Jun 2018Series A—
- Seed—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Austin researches in environmental monitoring
UT Austin leads Austin's environmental monitoring research—dominantly air quality and biodiversity eDNA—with a cautiously optimistic tone (mean stance 0.25), skewing heavily toward recent breakthroughs.
- The University of Texas at Austin12
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.