Best Energy Companies in Boulder, United States
The 43 best Energy companies in Boulder, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Scout Clean Energy.
Our analysis of 171 Energy companies
$71.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Boulder
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Scout Clean Energy Developer of wind energy projects | $355M | 27 mo ago | 112 | 2016 | Michael Rucker Founder and Chief Executive Officer | WordPressMySQLPHP+25 | — | 1 internship · 1 expansion |
| 2 | AES Distributed Energy Develop, own and operate distributed generation solar PV projects | $348M | 78 mo ago | 28 | 2009 | — | — | — | — |
| 3 | Wunder Provider of renewable energy solutions for accredited investors | $167M | 51 mo ago | 63 | 2013 | Sam Beaudin Co-Founder & Chief Product Officer | — | — | — |
| 4 | Wunder Capital Provider of energy solutions for real estate portfolios and development pipelines | $63M | 51 mo ago | 50 | 2014 | Rupert Steffner CEO | — | — | — |
| 5 | Boulder Wind Power Developer of advanced generator technology | $54M | 179 mo ago | 8 | 2009 | Sandy Butterfield Co-Founder | — | 72 patents Patents concentrated in electrical & electronics | — |
| 6 | LongPath Technologies Provider of oil and gas monitoring services 27Talent top 28%Funding top 37%Patents bottom 49%Moat bottom 42% All 8 signals ▾Talenttop 28% Fundingtop 37% Patentsbottom 49% Moatbottom 42% Innovationbottom 41% Techbottom 40% Globalbottom 37% Marketbottom 27% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $39.8M across 6 rounds · 6 rounds over 5 yrs (1.2/yr) rank vs industry peers · Fliar Intelligence Index 27/100 | $40M | 6 mo ago | 31 | 2017 | Caroline Alden Co-Founder & Director | WebflowApple iCloud MailSalesforce+11 | 3 patents Optical spectroscopy systems for monitoring and analyzing atmospheric emission gases | 1 job opening · 1 award |
| 7 | E Source Research, advisory, marketing and information services provider for utilities and customers | $38M | 19 mo ago | 190 | 1986 | — | DrupalApple iCloud MailMicrosoft 365+24 | 24 patents Optimizing print media handling, alignment, and automatic parameter adjustment in printing systems | — |
| 8 | Uplight 🦄 AI and SaaS-driven solutions for energy monitoring in residential and commercial buildings 80News top 22%Tech top 24%Growth top 25%Moat top 31% All 10 signals ▾Newstop 22% Techtop 24% Growthtop 25% Moattop 31% Fundingtop 34% Patentstop 34% Innovationtop 36% Markettop 37% Talenttop 39% Globalbottom 44% News: 8 BI events in 12 mo (of 17 tracked, 5 types) · 2 high-value events (IPO/M&A/funding/contracts) in 12 mo Tech: 45 technologies across 6/8 capability areas · Cloud: Amazon Web Services, Cloudflare rank vs industry peers · Fliar Intelligence Index 80/100 | $30M | 17 mo ago | 496 | 2019 | Luis D'Acosta CEO | WordPressAlgoliaMySQL+27 | 20 patents Residential energy management and demand‑response platforms optimizing HVAC and rebate incentives | 1 launch · 1 award |
| 9 | Gravity Renewables Redeveloper of underutilized hydropower plants providing clean energy | $18M | 112 mo ago | 43 | 2011 | — | — | — | — |
| 10 | Albeo Technologies LED commercial lighting and controls solutions for diverse applications 76Market top 21%Tech top 24%Patents top 24%Product top 32% All 10 signals ▾Markettop 21% Techtop 24% Patentstop 24% Producttop 32% Innovationtop 33% Fundingtop 42% Globaltop 48% Talentbottom 49% Growthbottom 48% Newsbottom 48% Market: 700 employees (top 1% of Energy Efficiency) · Top-1,000,000 web property Tech: 62 technologies across 5/8 capability areas · Cloud: Amazon S3, Amazon Web Services rank vs industry peers · Fliar Intelligence Index 76/100 | $11M | 173 mo ago | 700 | 1911 | Maryrose Sylvester CEO & President | Amazon WebstoreDrupalPHP+33 | 32 patents Thermal integration of LED chips into heat‑sink assemblies for lighting fixtures. | — |
| 11 | albeo technologies Albeo Technologies provides LED lighting solutions for industrial and commercial buildings. 45Innovation top 40%Patents top 43%Funding top 45%Moat top 45% All 8 signals ▾Innovationtop 40% Patentstop 43% Fundingtop 45% Moattop 45% Marketbottom 45% Techbottom 37% Globalbottom 37% Newsbottom 22% Innovation: 32 patents (top 40% of patent-holders) Patents: 32 patents matched (strict assignee match) · Latest publication 2015 rank vs industry peers · Fliar Intelligence Index 45/100 | $9M | 173 mo ago | 35 | 2004 | — | — | 32 patents LED thermal management and integrated lighting fixture design | — |
| 12 | Catalyze Developer of solar and wind energy projects 48Funding top 39%Growth top 39%Tech top 49%Talent bottom 49% All 8 signals ▾Fundingtop 39% Growthtop 39% Techtop 49% Talentbottom 49% Globalbottom 39% Moatbottom 38% Marketbottom 35% Newsbottom 23% Funding: Raised $4.6M across 5 rounds · 5 rounds over 7 yrs (0.7/yr) Growth: Headcount 36 → 42 (+17%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 48/100 | $5M | 11 mo ago | 42 | 2017 | Steve Luker CEO | WordPressApple iCloud MailMySQL+27 | — | — |
| 13 | Sundolier Solar daylighting system developer | $4M | 158 mo ago | 7 | 2004 | Peter Novak CEO | — | — | — |
| 14 | Amicus O&M Member-owned solar O&M cooperative offering services for residential, commercial, & utility-scale solar… | $2M | 28 mo ago | — | 2016 | Amanda Bybee Co-Founder & CEO | — | 6 patents Self‑deploying interbody spinal fusion implants and insertion tools for vertebral prostheses. | — |
| 15 | GrowRay Manufacturer of LED grow lights for indoor farming | $2M | 78 mo ago | 4 | 2018 | Erico Mattos Co-Founder | — | — | — |
| 16 | Hoyt Royalty Operator of oil & gas management firm | $535K | 128 mo ago | — | 2010 | Hoyt Heirs Founder | — | — | — |
| 17 | Amicus Solar Platform provider that connects customers to solar installers | $358K | 119 mo ago | — | 2011 | Stephen Irvin CEO & President | WordPressMySQLPHP+15 | — | — |
| 18 | Otoro Energy Manufacturer of flow batteries | $275K | 31 mo ago | — | 2020 | Michael Marshak Founder & CEO | — | — | — |
| 19 | NexGen Energy Partners Renewable energy solutions provider delivering clean energy without capital investment or technical risk | $220K | 183 mo ago | — | 2007 | Ronald Abramson CEO | — | — | — |
Top 12 Energy companies in Boulder
#1
Series A · Boulder, Colorado · founded 2017 · 31 employees$39.8Mraised▾
Provider of oil and gas monitoring services
- Feb 2026Conventional Debt$162M
- Dec 2022Series A$35M
- Aug 2022Seed$800K
- Oct 2021Seed$2M
#2
Series A · Boulder, Colorado · founded 2017 · 42 employees$4.6Mraised▾
Developer of solar and wind energy projects
- Sep 2025Conventional Debt$200M
- Apr 2025PE$85M
- Mar 2025Conventional Debt$400M
- May 2024Conventional Debt$100M
#3
Uplight 🦄Acquired · Boulder, Colorado · founded 2019 · 496 employees$30Mraised▾
AI and SaaS-driven solutions for energy monitoring in residential and commercial buildings. It provides energy management systems designed to offer control, demand response, electric vehicle charging, and distributed generation support.
- Mar 2025Series A$30M
- Mar 2021Seed—
#4
Acquired · Boulder, Colorado · founded 1986 · 190 employees$38.4Mraised▾
Research, advisory, marketing and information services provider for utilities and customers
- Jan 2025Grant (prize money)$38.4M
#5
Acquired · Boulder, Colorado · founded 2016 · 112 employees$355Mraised▾
Developer of wind energy projects
- May 2024Conventional Debt$100M
- Sep 2019Conventional Debt$255M
#6
Series C · Boulder, Colorado · founded 2013 · 63 employees$166.5Mraised▾
It is a renewable energy infrastructure company based in Boulder, Colorado. They provide commercial and industrial solar solutions and have recently announced a partnership with ClearGen, a Blackstone company, for one of the largest commercial solar deals in U.S. history.
- May 2022Series C$47.6M
- Apr 2018Conventional Debt$100.8M
- Apr 2018Series B$11.2M
- Oct 2017Series A$1.7M
#7
Funding Raised · Boulder, Colorado · founded 2009 · 28 employees$348.5Mraised▾
AES Distributed Energy develops, owns, and operates distributed generation solar PV projects to schools, municipalities, utilities, residential marketers, and private-sector commercial entities. Their services include the development of distributed energy solutions like solar, CHP, and energy storage units, co-development, financing, and asset management.
- Feb 2020Conventional Debt$341M
- Jun 2015Conventional Debt$7.5M
#8
Unfunded · Boulder, Colorado · founded 2014 · 50 employees$63.2Mraised▾
Provider of energy solutions for real estate portfolios and development pipelines. The company offers solar, battery storage, and electric vehicle charging options. It delivers portfolio management and ESG reporting to shape energy strategy. The company analyzes real estate to identify opportunities and streamline project deployment.
#9
Series B · Boulder, Colorado · founded 2009 · 8 employees$54.4Mraised▾
Boulder Wind Power is a technology developed that focuses on development of air-core permanent magnetic generator and power conversion technology for utility scale wind turbines.
- Sep 2011Series B$35M
- Sep 2011Grant (prize money)$933K
- Feb 2011Series A$8M
- Nov 2009Series A$11.4M
#10
Funding Raised · Boulder, Colorado · founded 2016$1.5Mraised▾
Amicus O&M Cooperative is a member-owned solar operations and maintenance cooperative offering services for residential, commercial, and utility-scale solar projects across the US. They support a network of independent solar O&M service companies for distributed solar photovoltaic systems.
- Apr 2024Grant (prize money)$1.5M
#11
Acquired · Boulder, Colorado · founded 2011 · 43 employees$18.2Mraised▾
Redeveloper of underutilized hydropower plants providing clean energy. It redevelops existing hydropower plants, enhancing their efficiency and capacity to generate clean energy. This involves upgrading infrastructure, implementing modern technologies, and optimizing operations to increase power output while preserving the historical significance of these assets. The focus is on delivering affordable, sustainable power to communities.
- Apr 2017Series C$480K
- Feb 2015Series C$7M
- Jun 2014Series B$5.5M
- May 2013Series A$3.2M
#12
Acquired · Boulder, Colorado · founded 2004 · 700 employees$10.9Mraised▾
LED commercial lighting and controls solutions for diverse applications. They provide reliable, quality lighting solutions and connected controls for indoor and outdoor environments. Their extensive product line includes architectural lighting, ballasts, drivers, downlights, high bay, linear lighting, recessed lighting, retrofit kits, and more. They offer wireless and wired lighting controls, including Daintree One, EZ Connect, and Networked systems, along with API Solutions and IoT Spaces. Serving various sectors like banking, education, healthcare, hospitality, industrial, offices, retail, roadway, signage, transportation, and warehouse, they focus on energy efficiency, visual comfort, and safety. They also provide tools, documents, inspiration, and education resources, including a utility rebate lookup and design tools. They are committed to sustainability and offer technical support and product warranties.
- Mar 2012Conventional Debt$1.5M
- Mar 2012Series C$6.5M
- Mar 2010Series A$325K
- Nov 2009Series A$525K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
What Boulder researches in energy storage
- University of Colorado Boulder30