Radar · Solar Energy in Houston
Best Solar Energy Companies in Houston, United States
The 31 best Solar Energy companies in Houston, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Sunnova.
By Riya SenguptaFinancials
31companies tracked
$1.7Bdisclosed funding
0unicorns
7have raised
FLIAR INTELLIGENCE · SOLAR ENERGY × HOUSTON
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.
50companies analysed
84%cloud-native stacks
2025funding peak (by rounds)
2014median founding year
51median Fliar Index™
1.2Mcombined LinkedIn audience
96%of audience held by top 3
1companies hiring publicly (12 mo)
Ranked: Best Solar Energy companies in Houston
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | 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 | 65 mo ago | Public | John Berger Founder & CEO | 2010 | SitecoreApple iCloud MailSalesforce+39 | — | — |
| 2 | ENGIE Provider of integrated renewable and low-carbon energy solutions | $155M | 94 mo ago | Late Stage | Frank Demaille CEO | 1981 | WordPressMySQLPHP+20 | — | — |
| 3 | Orbital Energy Group Developer of solar energy projects | $10M | 90 mo ago | Public | — | 1984 | — | — | — |
| 4 | 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 | 29 mo ago | Series A | David Asarnow Co-Founder & CEO | 2017 | HubSpot CMS HubFacebook LoginLinkedin Sign-in+17 | — | — |
| 5 | Ennuity Holdings Offers renewable energy financing services for residential units | $50K | 72 mo ago | Funding Raised | Nisha Desai Founder & CEO | 2019 | — | — | — |
| 6 | CleanArc Data Centers Developer of renewable energy projects | — | 18 mo ago | Late Stage | — | 2022 | — | — | — |
| 7 | Spruce Power Developer of solar energy projects | — | 89 mo ago | Acquired | Christian Fong CEO | 2012 | BugHerdQ4MediaElement.js+13 | — | — |
| 8 | Bois d'Arc Energy Developer of solar energy projects | — | — | Acquired | Gary Blackie CEO | 2004 | — | — | — |
Top 7 Solar Energy companies in Houston
#1
Public · Houston, Texas · founded 2010 · 644 employees$1.5Braised▾
Public · Houston, Texas · founded 2010 · 644 employees
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.
Fliar Intelligence Index™ 72how this company ranks against its industry peers
Tech
top 21%Product
top 22%Funding
top 23%Market
top 35%Growth
top 37%Moat
top 39%Tech: 76 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 · Observability: Microsoft Clarity, New Relic
Product: 2 published apps (81.2k installs) · Company stage: Public
Funding: Raised $1.5B across 15 rounds · 15 rounds over 12 yrs (1.2/yr) · Last round Post IPO (May 2021)
Funding rounds
- May 2021Post IPO—
- May 2020Post IPO$185M
- Jan 2020Post IPO$55M
- Nov 2018Series G$176M
Founders & team
Investors
UBS, Magnetar, Tortoise, US Bank, CIT, Triangle Peak Partners
Tech stack
Amazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesApple Icloud MailBootstrap
#2
Series A · Houston, Texas · founded 2017 · 8 employees$9Mraised▾
Series A · Houston, Texas · founded 2017 · 8 employees
Developer of wind energy projects
Fliar Intelligence Index™ 22how this company ranks against its industry peers
Talent
top 28%Funding
top 50%Tech
bottom 47%Growth
bottom 35%Global
bottom 29%Market
bottom 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) · Last round Series A (May 2024)
Tech: 21 technologies across 3/8 capability areas · Cloud: Cloudflare · Security: Cloudflare Bot Management, Hsts
Audience (LinkedIn): 15k LinkedIn followers
Funding rounds
- May 2024Series A$9M
- Jan 2023Seed—
Founders & team
Investors
Thornton Tomasetti, Syska, STO Building Group, SHoP Architects, Veriten, Greentown Labs
Tech stack
CloudflareCloudflare Bot ManagementCore-JsFacebook LoginGodaddyGoogle Font Api
#3
Late Stage · Houston, Texas · founded 1981 · 3101 employees$155Mraised▾
Late Stage · Houston, Texas · founded 1981 · 3101 employees
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.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 161k LinkedIn followers — 13.3% of this cohort's audience
Activity: 2 partnerships (incl. Aker BioMarine) announced in 12 mo
Funding rounds
- Jan 2019PE—
Founders & team
Investors
Goldman Sachs Investment Partners
Tech stack
Amazon Web ServicesComplianzGoogle Font ApiGoogle Tag ManagerHstsImperva
#4
Public · Houston, Texas · founded 1984 · 335 employees$10Mraised▾
Public · Houston, Texas · founded 1984 · 335 employees
Developer of solar energy projects
Funding rounds
- Apr 2019Conventional Debt$10M
Investors
Bank of America
#5
Funding Raised · Houston, Texas · founded 2019$50Kraised▾
Funding Raised · Houston, Texas · founded 2019
Offers renewable energy financing services for residential units
Funding rounds
- Oct 2020Conventional Debt$50K
Founders & team
#6
Late Stage · Houston, Texas · founded 2022 · 7 employees—raised▾
Late Stage · Houston, Texas · founded 2022 · 7 employees
Developer of renewable energy projects
LinkedIn Pulse recent public activity · Jul 2026
Audience: 9k LinkedIn followers
Activity: 1 product launches announced in 12 mo
Funding rounds
- Apr 2025PE—
- Sep 2024PE—
Investors
Snowhawk, Townsend Partners, Nuveen
#7
Acquired · Houston, Texas · founded 2012 · 142 employees—raised▾
Acquired · Houston, Texas · founded 2012 · 142 employees
Developer of solar energy projects
Funding rounds
- 2019Seed—
Founders & team
Investors
Climate Investment
Tech stack
BugherdCloudflareFancyboxGodaddyGoogle Font ApiHsts
Funding & investor landscape
$1.7Btotal disclosed funding
5companies funded
18disclosed rounds
0rounds last 90 days
Most active investors
Goldman Sachs1 rounds
Notable founders
John Berger
Founder & CEO · Sunnova
David Asarnow
Co-Founder & CEO · Aeromine Technologies
Carsten Westergaard
Founder · Aeromine Technologies
Frank Demaille
CEO · ENGIE
Marco Ferrando
Chief Executive Officer · ENGIE
Nisha Desai
Founder & CEO · Ennuity Holdings
Christian Fong
CEO · Spruce Power
Prism market signals · United States · country-scoped Prism corpus, 675,620 docs
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
RESEARCH FROM Houston · institutions
What Houston researches in solar pv
26 papersstance +0.5238% breakthrough10% concern
local research themes
solar cell performance optimizationSolar Thermal and Photovoltaic SystemsPhotovoltaic System Optimization TechniquesNanowire Synthesis and ApplicationsChalcogenide Semiconductor Thin FilmsThermal Radiation and Cooling Technologies
top institutions
- University of Houston22
- Sam Houston State University3
- Houston Advanced Research Center1
- The University of Texas Health Science Center at Houston1
Common questions
How many Solar Energy companies are there in Houston, United States?
Radar tracks 31 indexable Solar Energy companies headquartered in Houston, United States that meet our profile-completeness bar.
What is the total funding raised by Solar Energy companies in Houston, United States?
The Solar Energy companies in Houston, United States on this list have raised a combined $1.7B in disclosed equity funding across 5 funded companies.
Which is the highest-funded Solar Energy company in Houston, United States?
Sunnova is the highest-funded Solar Energy company in Houston, United States, with $1.5B in disclosed equity funding.
How many Solar Energy companies in Houston, United States are funded?
5 of the 31 Solar Energy companies in Houston, United States on this list have disclosed at least one equity funding round.
How many Solar Energy unicorns are there in Houston, United States?
None of the Solar Energy companies in Houston, United States on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Houston, United States Solar Energy companies?
The most active investors in Houston, United States Solar Energy companies on this list include Apollo Global Management, Bank of America, CIT, Climate Investment, ECP.
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.