Best Energy Tech Companies in Denver, United States
The 77 best Energy Tech companies in Denver, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Crusoe.
Our analysis of 79 Energy Tech companies
$38.9b in tracked funding; 92% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Denver
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Crusoe 🦄 Operator of cloud platform providing infrastructure for artificial intelligence workloads 91Funding top 11%Partners top 23%Tech top 24%Moat top 26% All 10 signals ▾Fundingtop 11% Partnerstop 23% Techtop 24% Moattop 26% Markettop 27% AItop 30% Newstop 33% Growthtop 35% Talenttop 36% Globalbottom 39% Funding: Raised $577M across 14 rounds · 14 rounds over 7 yrs (2.0/yr) Partners: 1 partnership announcement in 12 mo (4 in 24 mo) · 8 contract events in 12 mo rank vs industry peers · Fliar Intelligence Index 91/100 | $577M | 4 mo ago | 242 | Cully Cavness Co-Founder | Amazon WebstoreWebflowSentry+36 | Top 100k | — | — |
| 2 | Koloma Production of naturally occuring geologic hydrogen 48Funding top 18%Patents top 25%Moat top 28%Innovation top 34% All 9 signals ▾Fundingtop 18% Patentstop 25% Moattop 28% Innovationtop 34% Talenttop 38% Globalbottom 39% Techbottom 38% Marketbottom 32% Newsbottom 18% Funding: Raised $403M across 7 rounds · 7 rounds over 5 yrs (1.4/yr) Patents: 60 patents matched (strict assignee match) · Lead CPC: G01V1/306 (+2 more areas) rank vs industry peers · Fliar Intelligence Index 48/100 | $403M | 13 mo ago | — | Tom Darrah Co-Founder & CTO | WordPressMySQLPHP+13 | Top 10M | 60 patents Patents concentrated in computing, sensing & instrumentation | — |
| 3 | Liminal Energy Developer of integrated development, financing, and operations for grid-scale energy storage projects 65Funding top 22%Talent top 45%Global bottom 33% All 3 signals ▾Fundingtop 22% Talenttop 45% Globalbottom 33% Funding: Raised $200M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 2 named leaders on record rank vs industry peers · Fliar Intelligence Index 65/100 | $200M | 5 mo ago | — | Mark Saunders Co-Founder & CEO | — | — | — | — |
| 4 | Project Canary Provider of cloud-based air quality monitoring and emissions detection for upstream and midstream oil & gas | $121M | 51 mo ago | 139 | William Foiles Co-Founder & CEO | WordPressApple iCloud MailMySQL+29 | Top 10M | 75 patents Patents concentrated in computing, sensing & instrumentation | — |
| 5 | Iontra Provider of lithium-ion battery cell charging solutions | $93M | 19 mo ago | 36 36 → 69 (+92%) | Daniel Konopka CSO | Co-Founder | WordPressApple iCloud MailMicrosoft 365+27 | Top 10M | 165 patents Advanced battery charging, management, and lithium‑plating control technologies. | 1 partnership |
| 6 | Peak Energy Sodium-Ion battery systems for renewable energy storage | $65M | 23 mo ago | — | Cameron Dales Co-Founder | Framer SitesApple iCloud MailMicrosoft 365+12 | Top 5M | — | 1 partnership · 2 awards |
| 7 | P2 Energy Solutions Provider of software and data solutions for oil and gas companies | $60M | 152 mo ago | 700 | — | — | — | 1,199 patents Oilfield energy harvesting, hydraulic fracturing fluid management, and uranium recovery technologies | 1 partnership |
| 8 | Helio Home Provider of all-electric heating and cooling system installation and related services 67Funding top 24%Growth top 28%Tech top 37%Talent top 38% All 7 signals ▾Fundingtop 24% Growthtop 28% Techtop 37% Talenttop 38% Producttop 47% Globalbottom 48% Marketbottom 46% Funding: Raised $50.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Growth: Web rank 5,000,000 → 1,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 67/100 | $50M | 5 mo ago | — | Aaron Grant Co-Founder | SentryApple iCloud MailNode.js+25 | Top 1M | — | — |
| 9 | RemoteLock Provider of software solutions for access control using smart locks | $48M | 35 mo ago | 15 | Nolan Mondrow CEO | WordPress Block EditorWordPressApple iCloud Mail+38 | Top 1M | 3 patents Smart lock credential validation and access control authentication systems | 1 launch |
| 10 | Clean Energy Collective Developer of community-owned solar systems | $45M | 138 mo ago | 102 | — | — | — | — | — |
| 11 | Starfire Energy Developer modular systems to produce carbon-free NH3 | $40M | 29 mo ago | 39 | Joe Beach Co-Founder & CEO | — | — | 57 patents Advanced catalytic reactors with integrated heat exchange and RF desorption for ammonia‑based fuels | — |
| 12 | Oildex Cloud-based oil and gas accounting software | $38M | — | 76 | — | — | — | — | — |
| 13 | Unagi Scooters Manufacturer of electric kick scooters | $31M | 38 mo ago | 54 | David Hyman CEO | SanityCart FunctionalityApple iCloud Mail+41 | Top 5M | — | — |
| 14 | SunShare Developer of community solar gardens providing subscription-based renewable energy solutions | $30M | 57 mo ago | 32 | David Amster-Olszewski Founder & CEO | WordPressMySQLPHP+42 | Top 5M | — | 2 job openings |
| 15 | Cowboy Clean Fuels Provider of renewable natural gas | $26M | 10 mo ago | 15 | Ryan Waddington Co-Founder | WordPressMySQLPHP+23 | Top 50M | — | 1 launch |
| 16 | Coolerado Provider of energy-efficient air conditioning systems | $25M | 158 mo ago | 34 | Tom Teynor CEO | — | — | 4 patents Evaporative cooler water delivery systems and scale‑reduction technologies | — |
| 17 | Well Data Labs Cloud-based solution for fracturing data management | $8M | 64 mo ago | 19 19 → 10 (-47%) | — | — | — | — | 1 partnership |
| 18 | Azak Developer of powertrain system for multiple categories of electric vehicles 13Funding top 39%Patents top 40%Innovation top 45%Moat top 45% All 8 signals ▾Fundingtop 39% Patentstop 40% Innovationtop 45% Moattop 45% Talentbottom 45% Globalbottom 29% Techbottom 22% Marketbottom 8% Funding: Raised $7.5M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Patents: 9 patents matched (strict assignee match) · 9 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 13/100 | $7M | 12 mo ago | 1 | Ben Meager Co-Founder & CTO | WordPressApple iCloud MailMicrosoft 365+6 | Top 50M | 9 patents High‑efficiency electric propulsion and low‑gravity vehicle mobility components | 1 job opening · 1 launch |
| 19 | ENGAGE App-based platform offering oilfield management solutions | $6M | 3 mo ago | 65 | — | HubSpot CMS HubAmazon Web ServicesSplide+17 | Top 50M | 6 patents Enables relevance‑driven P2P communication and advanced industrial ink‑jet printing solutions. | — |
| 20 | Crimson Renewable Energy Manufacturer and supplier of biodiesel | $5M | 16 mo ago | 67 | Harry Simpson President/CEO | — | — | — | — |
| 21 | Fracture ID Technology to determine mechanical rock properties | $5M | 79 mo ago | 15 | Chris Neale Founder & President | — | — | 30 patents Patents concentrated in construction | — |
| 22 | Spectraseis Microseismic fracture monitoring and stimulation evaluation. | $4M | 178 mo ago | 11 | — | — | — | 14 patents GPU-accelerated seismic imaging and source localization using time-reversal and elastic wave methods | — |
| 23 | Ubiterra Cloud-based technologies for oil and gas exploration | $3M | 28 mo ago | 7 | Peter Flanagan Founder and President | — | — | 12 patents Real-time geosteering, drilling data visualization, and 3D cloud storage for oilfield analytics | 3 launchs |
| 24 | Nitec LLC Provider of reservoir management technical solutions to the oil and gas industry | $2M | 188 mo ago | 20 | — | — | — | — | — |
| 25 | Remotely Smart building software to track smart devices in units | $2M | 51 mo ago | 6 | Dan Daugherty Co Founder & CEO | — | — | — | — |
| 26 | Stratavia Data Center automation solutions | $1M | 198 mo ago | 14 | — | — | — | 10 patents Automation of database administration standard operating procedures and workflow management. | — |
| 27 | OptiMiser Developer of software for residential energy auditing and performance analysis | $397K | 47 mo ago | 4 | — | — | — | — | — |
| 28 | Wizdom Land Solutions SaaS platform for title and mineral management | $300K | 116 mo ago | 4 | Brandon Colston Co-Founder | — | — | — | — |
| 29 | Demand IQ AI-driven platform offering customer acquisition solutions for solar power plant operators | $250K | 55 mo ago | 15 | — | SentryReactReact Router+8 | Top 10M | 2 patents E‑commerce UI generation and optimization of virtual storefront templates for online retail | — |
| 30 | NeuDax AI and SaaS-driven platform offering analytics solutions to oil and gas upstream industry | $225K | 83 mo ago | — | Farshad Harirchi CEO | — | — | — | — |
| 31 | FattE-Bikes Manufacturer of fat tire electric bicycles | $173K | 27 mo ago | 6 | Kenny Fischer Co-Founder & COO | Cart FunctionalityShopifyShop Pay+12 | Top 50M | — | — |
Top 12 Energy Tech companies in Denver
#1
Crusoe 🦄Series E · Denver, Colorado · founded 2018 · 242 employees$576.9Mraised▾
Operator of cloud platform providing infrastructure for artificial intelligence workloads. The company designs, builds, and operates infrastructure to power artificial intelligence. It offers managed inference, cluster management, and observability. The platform features high-performance compute, accelerated storage, and optimized networking. It provides support for open and open-source models. The company focuses on environmentally aligned power sources.
- Feb 2026Conventional Debt$300M
- Oct 2025Series E$1.4B
- Aug 2025Venture Debt$175M
- Jun 2025Venture Debt$750M
#2
Late Stage · Denver, Colorado · founded 2025$200Mraised▾
Developer of integrated development, financing, and operations for grid-scale energy storage projects. It aligns design, capital structuring, and project execution from early development through long-term operations. It works with developers and capital providers across all phases of energy storage projects. It develops, acquires, finances, owns, and operates energy storage projects, deploying capital with long-term performance in mind. It integrates technical, financial, and operational expertise.
- Jan 2026PE$200M
#3
Series B · Denver, Colorado · founded 2021$403.1Mraised▾
Production of naturally occuring geologic hydrogen. It provides technology solution to identify, access, and produce natural hydrogen, resulting in clean, cost-effective energy worldwide. Geologic hydrogen are produced through oxidation-reduction reaction known as serpentinization.
- May 2025Grant (prize money)$893.3K
- Oct 2024Series B—
- Feb 2024Series B$245.7M
- Jul 2023Series B$91M
#4
Series A · Denver, Colorado · founded 2020$50Mraised▾
Provider of all-electric heating and cooling system installation and related services. The company offers system installation, rebates, and financing options. It provides a home application that learns usage to optimize energy bills. The company remotely monitors systems for performance and efficiency.
- Jan 2026Series A$50M
#5
Series C · Denver, Colorado · founded 2016 · 65 employees$5.5Mraised▾
App-based platform offering oilfield management solutions. The software platform can be used by upstream companies for digital ticket creation, real-time tracking of assets, workflow integration, predictive scheduling of services, real-time data analysis, e-signature & auditing service, supply chain management, digital ticket approval, geo-fencing for real-time tracking of asset & workforce movement, and inventory management. The mobile application is available on Google Play Store and Apple App Store.
- Mar 2026Series C—
- Nov 2020Series A$1.7M
- Sep 2019Series A$5.5M
- 2018Seed—
#6
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
#7
Series C · Denver, Colorado · founded 2015 · 36 employees$93.2Mraised▾
Provider of lithium-ion battery cell charging solutions. It offers charge control technology that maximizes lithium battery performance without requiring cell redesign. It also claims that it eliminates lithium plating and dendrites. The solution caters to battery-powered product manufacturers, battery cell manufacturers, storage application operators, and more.
- Nov 2024Series C$45M
- Nov 2024Grant (prize money)$2.1M
- May 2023Series B$46.9M
- Aug 2022Series B$38M
#8
Series A · Denver, Colorado · founded 2022 · 1 employees$7.5Mraised▾
Developer of powertrain system for multiple categories of electric vehicles. The platform offers components for operating an electric vehicle are positioned inside and fixed below the center point of the wheel.
- Jun 2025Series A$7.5M
#9
Series A · Denver, Colorado · founded 2023$65Mraised▾
Sodium-Ion battery systems for renewable energy storage. It focuses on advancing sodium ion battery systems as the storage standard for renewable energy. It also aims to reduce the climate impact and help EV drivers save on electricity costs through their EV smart-charging app.
- Jul 2024Series A$55M
- Oct 2023Series A$10M
#10
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
#11
Deadpooled · Denver, Colorado · founded 2007 · 39 employees$39.6Mraised▾
Developer modular systems to produce carbon-free NH3. It offers an NH3 system that generates fuel. It uses energy, air, and water to make clean fuel.
- Dec 2023Series B$3M
- Nov 2022Series B$24M
- Jun 2022Series A$5M
- Feb 2022Series A$3.6M
#12
Series B · Denver, Colorado · founded 2011 · 15 employees$48.3Mraised▾
Provider of software solutions for access control using smart locks. It provides users with residential and commercial access control solutions, a connected camera for video monitoring, a power plug and strip and a connected thermostat.
- Jun 2023Series B$17.8M
- Jan 2022Series B$3M
- Dec 2021Series B$14.8M
- Sep 2020Series A$3.6M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Grid Energy Storage is moving in the United States
A read on the academic research around Grid Energy Storage — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 5,941 United States-affiliated papers.
- Electric Power Research Institute204
- Pacific Northwest National Laboratory202
- Argonne National Laboratory193
- Northeastern University151
- Massachusetts Institute of Technology124
- Battery (electricity)57→359
- Electrolyte37→318
- Electrochemistry30→240
- Cathode32→224
- Anode37→209
- Renewable energy40→492
- Battery (electricity)59→507
- Power (physics)8→227
- Electrolyte27→244
- Electrochemistry37→240
- Battery (electricity)35→184
- Renewable energy24→156
- Electrolyte13→114
- Electrochemistry10→80
- Cathode9→72
Where energy storage is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing energy storage patents in the United States
United States energy storage patent filing is accelerating — 8,522 filings from 3,681 assignees (2016–2025), led by General Electric, ESS Technology, GM Global TECH Operations; annual filings 687→1058.
- General Electric592
- ESS Technology276
- GM Global TECH Operations233
- Fastcap Systems205
- UNIV California180
- Rondo Energy157
- United Technologies154
- Battelle Memorial Institute146