Best Solar Energy Companies in Texas, United States
The 136 best Solar Energy companies in Texas, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Sunnova.
Our analysis of 50 Solar Energy companies
$17.8b in tracked funding; 84% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Solar Energy companies in Texas
| # | Company | Disclosed funding | Last round | Employees | Founder | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Sunnova A residential solar and energy storage provider 72Tech top 21%Product top 22%Funding top 23%Market top 35% All 11 signals ▾Techtop 21% Producttop 22% Fundingtop 23% Markettop 35% Growthtop 37% Moattop 39% Fin. healthtop 45% Newstop 49% Talentbottom 49% Globalbottom 43% Customersbottom 35% Tech: 76 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Product: 2 published apps (81.2k installs) · Company stage: Public rank vs industry peers · Fliar Intelligence Index 72/100 | $1.5B | 61 mo ago | 644 | John Berger Founder & CEO | Public | — | — |
| 2 | SolarBridge Manufactures microinverters | $326M | 147 mo ago | 79 | — | Acquired | 100 patents Advanced inverter control, power‑line communication, and ripple reduction for photovoltaic systems | — |
| 3 | Treaty Oak Clean Energy Developer of utility scale solar projects 65Funding top 23%Talent bottom 49%Global bottom 48% All 3 signals ▾Fundingtop 23% Talentbottom 49% Globalbottom 48% Funding: Raised $300M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 65/100 | $300M | 10 mo ago | 20 | Chris Elrod Chief Executive Officer | Acquired | — | — |
| 4 | ENGIE Provider of integrated renewable and low-carbon energy solutions | $155M | 89 mo ago | 3,101 3,101 → 3,266 (+5%) | Frank Demaille CEO | Late Stage | — | 1 internship · 2 partnerships |
| 5 | Aspen Power Provider of renewable energy asset development, construction, and operation services 48Funding top 25%News top 40%AI top 45%Tech top 49% All 8 signals ▾Fundingtop 25% Newstop 40% AItop 45% Techtop 49% Talentbottom 48% Marketbottom 39% Globalbottom 38% Moatbottom 38% Funding: Raised $120M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) News: 3 BI events in 12 mo (of 9 tracked, 4 types) · Top themes: Leadership, Capital raise rank vs industry peers · Fliar Intelligence Index 48/100 | $120M | 5 mo ago | 66 | David Berv Co-Founder & Senior Advisor | Acquired | — | 1 internship |
| 6 | Industrial Sun Developer of solar energy projects | $120M | 39 mo ago | 45 | — | Series C | — | — |
| 7 | Standard Renewable Offers solar products | $57M | 205 mo ago | 55 | John Spirtos CEO | Acquired | — | — |
| 8 | Wentworth Energy Provider of gas and electricity options, including renewable energy possibilities 55Funding top 30%Global bottom 25% All 2 signals ▾Fundingtop 30% Globalbottom 25% Funding: Raised $32.4M across 1 rounds · Stage: Public Global: Single-market focus (United States) rank vs industry peers · Fliar Intelligence Index 55/100 | $32M | — | 3 | — | Public | — | — |
| 9 | Accelergen Developer of renewable power generation and solar energy projects 5Funding bottom 48%Global bottom 29%News bottom 27%Market bottom 12% All 4 signals ▾Fundingbottom 48% Globalbottom 29% Newsbottom 27% Marketbottom 12% Funding: Raised $30.0M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) Global: Single-market focus (United States) rank vs industry peers · Fliar Intelligence Index 5/100 | $30M | 18 mo ago | 4 | — | Series B | — | — |
| 10 | Entech Solar Solar energy solutions for homes and businesses, specializing in daylighting | $19M | 188 mo ago | — | David Gelbaum CEO | Public | 25 patents Passive solar daylighting and concentrated photovoltaic integration via parabolic‑reflector skylight domes | — |
| 11 | Pegasus Solar Rail-less solar mounting structures | $17M | 95 mo ago | 25 | — | Series A | 156 patents Solar photovoltaic mounting hardware: fasteners, brackets, clamps, and rail installation systems. | 1 launch |
| 12 | FTC Solar Developer of solar energy power projects 69Patents top 23%Fin. health top 24%Product top 26%Innovation top 38% All 12 signals ▾Patentstop 23% Fin. healthtop 24% Producttop 26% Innovationtop 38% Fundingtop 39% Growthtop 44% Techtop 45% Newstop 49% Marketbottom 47% Moatbottom 47% Globalbottom 44% Partnersbottom 32% Patents: 95 patents matched (strict assignee match) · 70 filings since 2022 vs 23 in 2017-21 Fin. health: Revenue ~$99.7M (FY2024) · Net margin 188.8% rank vs industry peers · Fliar Intelligence Index 69/100 | $15M | 18 mo ago | 221 221 → 296 (+34%) | — | Public | 95 patents Patents concentrated in electrical & electronics | 1 partnership |
| 13 | Circular Energy Solar installation and financing services services | $12M | 131 mo ago | 9 | — | Deadpooled | — | — |
| 14 | Orbital Energy Group Developer of solar energy projects | $10M | 85 mo ago | 335 | — | Public | — | — |
| 15 | Texas Green Energy Solar energy solutions for commercial, industrial, and residential needs | $9M | 34 mo ago | — | Adam Burke Owner | Series A | — | — |
| 16 | Aeromine Technologies Developer of wind energy projects 22Talent top 28%Funding top 50%Tech bottom 47%Growth bottom 35% All 6 signals ▾Talenttop 28% Fundingtop 50% Techbottom 47% Growthbottom 35% Globalbottom 29% Marketbottom 21% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $9.0M across 1 rounds · 1 rounds over 3 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 22/100 | $9M | 24 mo ago | 8 | David Asarnow Co-Founder & CEO | Series A | — | — |
| 17 | Sunfinity Solar installation company | $8M | 93 mo ago | — | John B. Billingsley Founder & CEO | Series A | — | — |
| 18 | Astrowatt Thin film C-Si solar technology developer | $7M | 153 mo ago | — | Dharmesh Jawarani Co-Founder | Deadpooled | 20 patents Advanced semiconductor device fabrication with metal‑semiconductor layers and separation/etch processes | — |
| 19 | Atonometrics Solar measurement systems leader, enhancing PV performance with innovative sensors | $5M | 22 mo ago | 11 | William Stueve CEO & President | Seed | 33 patents Detecting and quantifying solar panel soiling via optical and microscopic imaging. | — |
| 20 | Tri Global Energy Diversified energy company focused on renewable power generation and sustainable energy solutions | $3M | 66 mo ago | 27 | John Billingsley Chairman & CEO | Acquired | — | — |
| 21 | ZTRIC Renewable energy solutions provider: solar installations, energy storage, and O&M services | $2M | 26 mo ago | — | Jayant Mhetar Co-Founder & CEO | Seed | — | 6 job openings |
| 22 | Concurrent Design Concurrent Design, Inc. - Engineering Design Services | $1M | 127 mo ago | 20 | — | Acquired | — | — |
| 23 | Titan Renewables Solar project operations and maintenance providers | $650K | 116 mo ago | 54 | Bill Jacks Co-Founder & President | Seed | — | — |
Top 12 Solar Energy companies in Texas
#1
Acquired · Dallas, Texas · founded 2020 · 66 employees$120Mraised▾
Provider of renewable energy asset development, construction, and operation services. It partners with businesses and communities to develop, construct, and operate renewable energy assets and storage. It specializes in project finance, solar development, and operations and maintenance and project optimization. It offers solutions for community solar, commercial and industrial solar, public sector, multifamily, and landowners, utilizing technologies like photovoltaics, battery storage, EV charging, and artificial intelligence.
- Jan 2026Conventional Debt$200M
- Feb 2025Series D—
- Jan 2024Conventional Debt$241M
- Jul 2023Conventional Debt$90M
#2
Acquired · Austin, Texas · founded 2021 · 20 employees$300Mraised▾
Developer of utility scale solar projects
- Aug 2025Conventional Debt$300M
#3
Series B · Austin, Texas · founded 2020 · 4 employees$30Mraised▾
Developer of renewable power generation and solar energy projects
- Dec 2024Conventional Debt$20M
- May 2023Series B$30M
#4
Public · Austin, Texas · founded 2017 · 221 employees$15Mraised▾
Developer of solar energy power projects
- Dec 2024Post IPO$15M
#5
Public · Houston, Texas · founded 2010 · 644 employees$1.5Braised▾
A residential solar and energy storage provider. The company facilitates home energy production through solar panel installation and offers ongoing support. Services include system monitoring, maintenance, and energy management solutions.
- May 2021Post IPO—
- May 2020Post IPO$185M
- Jan 2020Post IPO$55M
- Nov 2018Series G$176M
#6
Seed · Austin, Texas · founded 2007 · 11 employees$4.6Mraised▾
Solar measurement systems leader, enhancing PV performance with innovative sensors. The company specializes in designing and manufacturing advanced sensors for solar energy installations. Their products support a wide array of PV performance assessment and monitoring applications, including module power measurement, I-V data analysis, soiling detection, and irradiance monitoring. They offer solutions like in-situ I-V measurement devices, optical soiling sensors, PV reference cells, and meteorological sensors. These technologies cater to module power, irradiance, and soiling measurement needs, ensuring optimal performance and minimizing degradation. Their innovative and proprietary products are protected by multiple patents, reflecting their commitment to technological advancement in the solar energy sector. They provide critical tools for performance optimization and monitoring in solar energy applications.
- Jul 2024Grant (prize money)$199.7K
- Jun 2020Grant (prize money)$1.3M
- Jul 2019Grant (prize money)$1.3M
- Jan 2012Seed—
#7
Series C · Austin, Texas · founded 2016 · 45 employees$120Mraised▾
Developer of solar energy projects
- Feb 2023Series C$90M
- Jan 2022Series B$30M
#8
Series A · Houston, Texas · founded 2017 · 8 employees$9Mraised▾
Developer of wind energy projects
- May 2024Series A$9M
- Jan 2023Seed—
#9
Acquired · Austin, Texas · founded 2004 · 79 employees$326Mraised▾
Manufactures microinverters. Company manufactures microinverter and monitoring solutions. company specializing in the development and manufacturing of microinverter solutions for photovoltaic (solar) panels. The company's mission is to facilitate the adoption of rooftop solar power by making solar systems simpler, more reliable, and more cost-effective.
- Mar 2014Series E$42M
- May 2012Series D$250M
- Feb 2012Grant (prize money)$1.1M
- Sep 2011Grant (prize money)—
#10
Late Stage · Houston, Texas · founded 1981 · 3101 employees$155Mraised▾
Provider of integrated renewable and low-carbon energy solutions. This company develops, constructs, and operates renewable energy projects, including wind, solar, and storage solutions. They also offer wholesale energy marketing, energy supply solutions for commercial and industrial customers, and design and operate decarbonized infrastructure. The company manages the entire lifecycle of clean energy projects, from development and financing to construction, procurement, and operations. They focus on creating economic opportunities and partnerships within the communities where they operate.
- Jan 2019PE—
#11
Series A · College Station, Texas · founded 2007$9.1Mraised▾
Solar energy solutions for commercial, industrial, and residential needs. They provide custom renewable energy systems, including solar photovoltaic and energy storage, to reduce utility power usage and lower peak demand for commercial businesses. For industrial clients, they engineer comprehensive solutions, from solar generating stations to emergency backup power. They design solar energy systems for homes, whether new construction or established, to reduce electric bills, provide backup power, or enable off-grid living. They are committed to promoting solar energy as an abundant, reliable, and practical source of non-polluting energy. They offer turn-key systems, engineering, and research solutions within the solar industry.
- Aug 2023Series A$9.1M
#12
Seed · Austin, Texas · founded 2015$2Mraised▾
Renewable energy solutions provider: solar installations, energy storage, and O&M services. The company develops custom renewable energy solutions, offering end-to-end services encompassing hardware, installation, and customer support. Specializing in on-grid and off-grid solar facilities, they cater to industrial, commercial, and residential clients with rooftop/ground-mounted solutions. They provide tailored energy storage solutions for electric vehicles, off-grid installations, and UPS. Their dedicated maintenance team offers comprehensive operational and maintenance support for solar power plants through continuous monitoring and effective troubleshooting. They focus on clean energy access, cost reduction, and environmental stewardship. They offer remote monitoring, proactive service, and extended warranties. The company builds or buys renewable assets, solar and storage, that can generate or store clean electricity.
- Mar 2024Seed$6.1M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Solar Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Solar Pv in Texas is moving
A read on the academic research around Solar Pv in Texas — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 162 papers.
Texas institutions, led by UT Austin and Texas A&M, research perovskite materials and PV system optimization with cautiously optimistic momentum, dominated by recent advancement-focused work.
- The University of Texas at Austin32
- Texas A&M University25
- Texas Tech University22
- The University of Texas at Dallas11
- Texas A&M University at Qatar11
- Photovoltaic system3→11
- Solar energy2→8
- Photovoltaic system4→30
- Perovskite (structure)1→12
- Solar cell2→11
- Optoelectronics2→9
- Energy conversion efficiency1→8
- Solar cell4
- Nanotechnology4
- Optoelectronics3
- Photovoltaic system3
- Solar energy3
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.