Best Renewable Energy Tech Companies in Colorado, United States
The 36 best Renewable Energy Tech companies in Colorado, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Red Rock Biofuels.
Ranked: Best Renewable Energy Tech companies in Colorado
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Red Rock Biofuels Producer of renewable jet and diesel fuels from waste woody biomass | $698M | 46 mo ago | 13 | — | — | Acquired | — | — |
| 2 | Ascent Solar Manufacturer of flexible thin-film solar panels for varied applications 37Product top 14%News top 25%Funding top 30%Growth top 30% All 12 signals ▾Producttop 14% Newstop 25% Fundingtop 30% Growthtop 30% Innovationtop 39% Patentstop 42% Talentbottom 49% Techbottom 39% Globalbottom 38% Moatbottom 37% Fin. healthbottom 36% Marketbottom 19% Product: 4 distinct product lines · Company stage: Public News: 6 BI events in 12 mo (of 88 tracked, 11 types) · +200% YoY rank vs industry peers · Fliar Intelligence Index 37/100 | $265M | 7 mo ago | 16 | Paul Warley CEO | HubSpot CMS HubEnvoyHubSpot+8 | Public | 95 patents Patents concentrated in electrical & electronics | — |
| 3 | Clean Energy Collective Developer of community-owned solar systems | $45M | 141 mo ago | 102 | — | — | Acqui-Hired | — | — |
| 4 | Swift Solar Provider of flexible perovskite solar cells 69Growth top 17%Innovation top 20%Patents top 23%Talent top 25% All 10 signals ▾Growthtop 17% Innovationtop 20% Patentstop 23% Talenttop 25% Fundingtop 29% Newstop 30% Moattop 32% Techbottom 42% Globalbottom 40% Marketbottom 30% Growth: 5 acquisition/expansion moves in 24 mo · Fresh capital in last 24 mo Innovation: 63 patents (top 27% of patent-holders) · 50 filings since 2022 vs 13 in 2017-21 rank vs industry peers · Fliar Intelligence Index 69/100 | $42M | 16 mo ago | 19 | Tomas Leijtens Cto | WebflowApple iCloud MailGoogle Workspace+11 | Series A | 63 patents Patents concentrated in electrical & electronics | — |
| 5 | SunShare Developer of community solar gardens providing subscription-based renewable energy solutions | $30M | 59 mo ago | 32 | David Amster-Olszewski Founder & CEO | WordPressMySQLPHP+42 | Series A | — | 2 job openings |
| 6 | Odyssey Energy Solutions Provider of end-to-end platform for distributed renewable energy finance | $28M | 21 mo ago | 8 | Piyush Mathur Co-Founder & MD & CBO | SentryTypeScriptKaTeX+19 | Series A | — | — |
| 7 | NovoHydrogen Provider of renewable hydrogen | $27M | 36 mo ago | 10 | Matt Mcmonagle CEO & Founder | — | Series A | — | — |
| 8 | Cowboy Clean Fuels Provider of renewable natural gas | $26M | 13 mo ago | 15 | Ryan Waddington Co-Founder | WordPressMySQLPHP+23 | Series B | — | 1 launch |
| 9 | Crimson Renewable Energy Manufacturer and supplier of biodiesel | $5M | 19 mo ago | 67 | Harry Simpson President/CEO | — | Funding Raised | — | — |
| 10 | Aether Energy AI-powered end-to-end platform for rooftop solar installers | $3M | 22 mo ago | — | Shelby Bons Co-Founder & CTO | — | Seed | — | — |
| 11 | cQuant Provider of energy analytics quantitative models | $3M | 76 mo ago | 18 18 → 40 (+122%) | Brock Mosovsky Co-Founder and VP | — | Acquired | — | — |
| 12 | EdgePower Develops energy management software and hardware | $500K | 130 mo ago | 7 | Nathan Glasgow Co-Founder & CEO | — | Acquired | — | — |
| 13 | Kineticcore Online platform offering flywheel-based battery solutions | $255K | 54 mo ago | 10 | — | — | Funding Raised | 16 patents High‑speed flywheel energy storage systems for mechanical power buffering | — |
| 14 | Demand IQ AI-driven platform offering customer acquisition solutions for solar power plant operators | $250K | 58 mo ago | 15 | — | SentryReactReact Router+8 | Funding Raised | 2 patents E‑commerce UI generation and optimization of virtual storefront templates for online sales | — |
Top 12 Renewable Energy Tech companies in Colorado
#1
Public · Thornton, Colorado · founded 2005 · 16 employees$265.2Mraised▾
Manufacturer of flexible thin-film solar panels for varied applications. These photovoltaic modules are suitable for airborne vehicles, space missions, and agrivoltaic installations. The company utilizes CIGS chemistries with roll-to-roll manufacturing processes. The panels are built on a thin polyamide substrate.
- Jan 2026Post IPO$25M
- Dec 2025Post IPO$2M
- Oct 2024Post IPO$1.9M
- Apr 2023Post IPO$9M
#2
Series B · Denver, Colorado · founded 2020 · 15 employees$26.1Mraised▾
Provider of renewable natural gas. It provides Clean fuels and has developed a technology to develop biogas. It is manufactured by capturing and sequestering CO2.
- Jul 2025Conventional Debt$6M
- May 2024Series B$13.2M
- Jan 2024Grant (prize money)—
- Dec 2023Series A$3.7M
#3
Series A · Golden, Colorado · founded 2017 · 19 employees$41.8Mraised▾
Provider of flexible perovskite solar cells. It uses hybrid organic-inorganic lead or tin halide-based material as the light-harvesting active layer. Its features include outdoor self-charging, high-performance flexible products, integration with building materials, and suitable power-to-weight ratios.
- Apr 2025Grant (prize money)$6.4M
- Dec 2023Series A$27M
- Nov 2020Series A$8.2M
- Jul 2019Grant (prize money)$225K
#4
Series A · Boulder, Colorado · founded 2017 · 8 employees$27.6Mraised▾
Provider of end-to-end platform for distributed renewable energy finance. It accelerates capital deployment for renewable energy projects. The platform offers tools for portfolio management, supply chain credit, asset analytics, and results-based finance. It serves financiers, renewable energy companies, and equipment suppliers, streamlining project development and improving access to capital. The platform facilitates various aspects of project lifecycle, from initial financing to operational monitoring. It provides solutions to overcome bottlenecks in distributed renewable energy project development.
- Dec 2024Series A$11.3M
- May 2023Series A$15M
- Sep 2022Seed$5.3M
- Jul 2022Seed$7.2M
#5
Acquired · Fort Collins, Colorado · founded 2011 · 13 employees$697.8Mraised▾
Producer of renewable jet and diesel fuels from waste woody biomass. This company utilizes a proprietary integration of gasification, Fischer-Tropsch, and hydroprocessing technologies to convert waste woody biomass, such as slash piles from forest cleanup, into sustainable biofuels. The process aims to address both the need for low-carbon fuels and the problem of wildfire-related carbon emissions. A key element is the commercial-scale deployment of Fischer-Tropsch and hydroprocessing technologies, making this a unique approach to biofuel production. The resulting fuels are intended for use in aviation and transportation sectors.
- Nov 2022Grant (prize money)$15.6K
- May 2021Conventional Debt$300M
- 2015Series A—
- Jun 2014Grant (prize money)$152.3M
#6
Funding Raised · Denver, Colorado · founded 2006 · 67 employees$5.1Mraised▾
Manufacturer and supplier of biodiesel
- Feb 2025Grant (prize money)$143.1K
- Feb 2014Grant (prize money)$5M
#7
Seed · Evergreen, Colorado · founded 2023$3Mraised▾
AI-powered end-to-end platform for rooftop solar installers
#8
Series A · Centennial, Colorado · founded 2021 · 10 employees$27.2Mraised▾
Provider of renewable hydrogen to large-scale industrial, transportation, and power sector customers.
- Sep 2023Series A$23.7M
- Feb 2023Seed$3.5M
#9
Series A · Denver, Colorado · founded 2011 · 32 employees$30Mraised▾
Developer of community solar gardens providing subscription-based renewable energy solutions. The company builds, owns, and manages solar gardens, delivering long-term value to subscribers. They lease or buy land from landowners to build community solar gardens. These gardens serve subscribers who want to benefit from solar power. The company handles maintenance and performance of its solar gardens.
- Sep 2021Series A$30M
- Sep 2018Conventional Debt$11M
- Mar 2016Seed—
#10
Acqui-Hired · Denver, Colorado · founded 2009 · 102 employees$45.3Mraised▾
Developer of community-owned solar systems. Provides access to solar power to all community members through a centralized solar array. Participants receive credits on their electric bill for participating in the solar array. Also, developed software systems for utilities and customers to manage the community solar systems.
- Dec 2014Series B—
- Oct 2014Conventional Debt$9.1M
- Oct 2014Series A$1.4M
- Dec 2012PE$13M
#11
Acquired · Louisville, Colorado · founded 2016 · 18 employees$3Mraised▾
Provider of energy analytics quantitative models. It currently provides Analytic VaR, Multi Commodity Sim Engine, Single Variable Sim Engine, Plant Dispatch Optimization Cash Flow at Risk model. It plans to add demand response optimization, load forecasting, renewable energy dispatch integration, and energy storage dispatch optimization.
- May 2020Seed$1.6M
- Mar 2019Seed$1.4M
- Aug 2017Conventional Debt$200K
- 2017Seed—
#12
Funding Raised · Loveland, Colorado · founded 2019 · 10 employees$254.8Kraised▾
Online platform offering flywheel-based battery solutions. Its batteries contain no hazardous materials, which greatly simplifies safety, shipping, and recycling compared to chemical batteries.
- Mar 2022Grant (prize money)$254.8K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Renewable Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Green Hydrogen in Colorado is moving
A read on the academic research around Green Hydrogen in Colorado — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 115 papers.
- Colorado School of Mines66
- University of Colorado Boulder34
- Colorado State University11
- University of Colorado System9
- University of Colorado Denver2
- Hydrogen production2→4
- Catalysis1→3
- Hydrogen production8→18
- Production (economics)1→5
- Water splitting2→5
- Perovskite (structure)1→3
- Electrolysis2→4
- Hydrogen production2→7
- Renewable energy1→4