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Radar · Energy Tech in Denver

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.

77companies tracked
$1.9Bdisclosed funding
1unicorns
33have raised
FLIAR INTELLIGENCE · ENERGY TECH × DENVER

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.

79companies analysed
92%cloud-native stacks
2025funding peak (by rounds)
12unicorns
2015median founding year
220kcombined LinkedIn audience
53%of audience held by top 3
5companies hiring publicly (12 mo)

Ranked: Best Energy Tech companies in Denver

#CompanyDisclosed fundingLast roundEmployeesFounderTech stackWeb popularityPatents & IP focusRecent signals
1Crusoe 🦄
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
$577M4 mo ago242Cully Cavness
Co-Founder
Amazon WebstoreWebflowSentry+36Top 100k——
2Koloma
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
$403M13 mo ago—Tom Darrah
Co-Founder & CTO
WordPressMySQLPHP+13Top 10M60 patents
Patents concentrated in computing, sensing & instrumentation
—
3Liminal 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
$200M5 mo ago—Mark Saunders
Co-Founder & CEO
————
4Project Canary
Provider of cloud-based air quality monitoring and emissions detection for upstream and midstream oil & gas
$121M51 mo ago139William Foiles
Co-Founder & CEO
WordPressApple iCloud MailMySQL+29Top 10M75 patents
Patents concentrated in computing, sensing & instrumentation
—
5Iontra
Provider of lithium-ion battery cell charging solutions
$93M19 mo ago36
36 → 69 (+92%)
Daniel Konopka
CSO | Co-Founder
WordPressApple iCloud MailMicrosoft 365+27Top 10M165 patents
Advanced battery charging, management, and lithium‑plating control technologies.
1 partnership
6Peak Energy
Sodium-Ion battery systems for renewable energy storage
$65M23 mo ago—Cameron Dales
Co-Founder
Framer SitesApple iCloud MailMicrosoft 365+12Top 5M—1 partnership · 2 awards
7P2 Energy Solutions
Provider of software and data solutions for oil and gas companies
$60M152 mo ago700———1,199 patents
Oilfield energy harvesting, hydraulic fracturing fluid management, and uranium recovery technologies
1 partnership
8Helio 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
$50M5 mo ago—Aaron Grant
Co-Founder
SentryApple iCloud MailNode.js+25Top 1M——
9RemoteLock
Provider of software solutions for access control using smart locks
$48M35 mo ago15Nolan Mondrow
CEO
WordPress Block EditorWordPressApple iCloud Mail+38Top 1M3 patents
Smart lock credential validation and access control authentication systems
1 launch
10Clean Energy Collective
Developer of community-owned solar systems
$45M138 mo ago102—————
11Starfire Energy
Developer modular systems to produce carbon-free NH3
$40M29 mo ago39Joe Beach
Co-Founder & CEO
——57 patents
Advanced catalytic reactors with integrated heat exchange and RF desorption for ammonia‑based fuels
—
12Oildex
Cloud-based oil and gas accounting software
$38M—76—————
13Unagi Scooters
Manufacturer of electric kick scooters
$31M38 mo ago54David Hyman
CEO
SanityCart FunctionalityApple iCloud Mail+41Top 5M——
14SunShare
Developer of community solar gardens providing subscription-based renewable energy solutions
$30M57 mo ago32David Amster-Olszewski
Founder & CEO
WordPressMySQLPHP+42Top 5M—2 job openings
15Cowboy Clean Fuels
Provider of renewable natural gas
$26M10 mo ago15Ryan Waddington
Co-Founder
WordPressMySQLPHP+23Top 50M—1 launch
16Coolerado
Provider of energy-efficient air conditioning systems
$25M158 mo ago34Tom Teynor
CEO
——4 patents
Evaporative cooler water delivery systems and scale‑reduction technologies
—
17Well Data Labs
Cloud-based solution for fracturing data management
$8M64 mo ago19
19 → 10 (-47%)
————1 partnership
18Azak
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
$7M12 mo ago1Ben Meager
Co-Founder & CTO
WordPressApple iCloud MailMicrosoft 365+6Top 50M9 patents
High‑efficiency electric propulsion and low‑gravity vehicle mobility components
1 job opening · 1 launch
19ENGAGE
App-based platform offering oilfield management solutions
$6M3 mo ago65—HubSpot CMS HubAmazon Web ServicesSplide+17Top 50M6 patents
Enables relevance‑driven P2P communication and advanced industrial ink‑jet printing solutions.
—
20Crimson Renewable Energy
Manufacturer and supplier of biodiesel
$5M16 mo ago67Harry Simpson
President/CEO
————
21Fracture ID
Technology to determine mechanical rock properties
$5M79 mo ago15Chris Neale
Founder & President
——30 patents
Patents concentrated in construction
—
22Spectraseis
Microseismic fracture monitoring and stimulation evaluation.
$4M178 mo ago11———14 patents
GPU-accelerated seismic imaging and source localization using time-reversal and elastic wave methods
—
23Ubiterra
Cloud-based technologies for oil and gas exploration
$3M28 mo ago7Peter Flanagan
Founder and President
——12 patents
Real-time geosteering, drilling data visualization, and 3D cloud storage for oilfield analytics
3 launchs
24Nitec LLC
Provider of reservoir management technical solutions to the oil and gas industry
$2M188 mo ago20—————
25Remotely
Smart building software to track smart devices in units
$2M51 mo ago6Dan Daugherty
Co Founder & CEO
————
26Stratavia
Data Center automation solutions
$1M198 mo ago14———10 patents
Automation of database administration standard operating procedures and workflow management.
—
27OptiMiser
Developer of software for residential energy auditing and performance analysis
$397K47 mo ago4—————
28Wizdom Land Solutions
SaaS platform for title and mineral management
$300K116 mo ago4Brandon Colston
Co-Founder
————
29Demand IQ
AI-driven platform offering customer acquisition solutions for solar power plant operators
$250K55 mo ago15—SentryReactReact Router+8Top 10M2 patents
E‑commerce UI generation and optimization of virtual storefront templates for online retail
—
30NeuDax
AI and SaaS-driven platform offering analytics solutions to oil and gas upstream industry
$225K83 mo ago—Farshad Harirchi
CEO
————
31FattE-Bikes
Manufacturer of fat tire electric bicycles
$173K27 mo ago6Kenny Fischer
Co-Founder & COO
Cart FunctionalityShopifyShop Pay+12Top 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.

Fliar Intelligence Index™ 91how this company ranks against its industry peers
Funding
top 11%
Partners
top 23%
Tech
top 24%
Moat
top 26%
Market
top 27%
AI
top 30%
Funding: Raised $577M across 14 rounds · 14 rounds over 7 yrs (2.0/yr) · Last round Conventional Debt (Feb 2026)
Partners: 1 partnership announcement in 12 mo (4 in 24 mo) · 8 contract events in 12 mo · Named contractor/client in 8 deals
Tech: 53 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 · Devops: Nginx
Audience (LinkedIn): 80k LinkedIn followers — 36.5% of this cohort's audience
Funding rounds
  • Feb 2026Conventional Debt$300M
  • Oct 2025Series E$1.4B
  • Aug 2025Venture Debt$175M
  • Jun 2025Venture Debt$750M
Founders & team
Cully CavnessCo-FounderChase LochmillerCo-Founder & CEO
Investors
Bain Capital Ventures, Winklevoss Capital, DRAGONFLY, Founders Fund, Wicklow Capital, G2 Venture Partners
Tech stack
Amazon AdvertisingAmazon CloudfrontAmazon S3Amazon Web ServicesAmazon WebstoreApple Icloud Mail
#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.

Fliar Intelligence Index™ 65how this company ranks against its industry peers
Funding
top 22%
Talent
top 45%
Global
bottom 33%
Funding: Raised $200M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round PE (Jan 2026)
Talent: 2 named leaders on record
Global: Single-market focus (United States)
Audience (LinkedIn): 252 LinkedIn followers
Funding rounds
  • Jan 2026PE$200M
Founders & team
Mark SaundersCo-Founder & CEOKen-Ichi HinoCo-Founder
Investors
NGP
#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.

Fliar Intelligence Index™ 48how this company ranks against its industry peers
Funding
top 18%
Patents
top 25%
Moat
top 28%
Innovation
top 34%
Talent
top 38%
Global
bottom 39%
Funding: Raised $403M across 7 rounds · 7 rounds over 5 yrs (1.4/yr) · Last round Grant (prize money) (May 2025)
Patents: 60 patents matched (strict assignee match) · Lead CPC: G01V1/306 (+2 more areas)
Moat: Editorial + unicorn rating 8/10 · IP moat: 60 patents · Soonicorn
Audience (LinkedIn): 11k LinkedIn followers — 4.9% of this cohort's audience
Activity (LinkedIn): 2 awards announced in 12 mo
Funding rounds
  • May 2025Grant (prize money)$893.3K
  • Oct 2024Series B—
  • Feb 2024Series B$245.7M
  • Jul 2023Series B$91M
Founders & team
Tom DarrahCo-Founder & CTOPete JohnsonCo-Founder & CEO
Investors
Khosla Ventures, Breakthrough Energy, Energy Impact Partners, United Airlines, The Climate Pledge, ASTUTIA Ventures
#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.

Fliar Intelligence Index™ 67how this company ranks against its industry peers
Funding
top 24%
Growth
top 28%
Tech
top 37%
Talent
top 38%
Product
top 47%
Global
bottom 48%
Funding: Raised $50.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series A (Jan 2026)
Growth: Web rank 5,000,000 → 1,000,000 YoY · Fresh capital in last 24 mo
Tech: 30 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon Web Services · Observability: Sentry
Audience (LinkedIn): 6k LinkedIn followers — 2.6% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: General Manager
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
  • Jan 2026Series A$50M
Founders & team
Aaron GrantCo-FounderMatthew BaileyCo-Founder
Investors
Eclipse, 8VC, Activate Capital, Garage Capital, Active Impact Investments
Tech stack
Amazon CloudfrontAmazon Web ServicesApple Icloud MailCloudflareCloudflare Bot ManagementCore-Js
#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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 5k LinkedIn followers — 2.2% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: Senior Product Manager
Funding rounds
  • Mar 2026Series C—
  • Nov 2020Series A$1.7M
  • Sep 2019Series A$5.5M
  • 2018Seed—
Investors
Free Radical Ventures, Montrose Lane, Five Branches
Tech stack
Amazon Web ServicesCloudflareCloudflare Bot ManagementCore-JsGoogle AnalyticsGoogle Tag Manager
#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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 1k LinkedIn followers
Activity: 1 product launches announced in 12 mo
Funding rounds
  • Jul 2025Conventional Debt$6M
  • May 2024Series B$13.2M
  • Jan 2024Grant (prize money)—
  • Dec 2023Series A$3.7M
Founders & team
Ryan WaddingtonCo-Founder
Investors
Machan Investments, Wyoming Energy, HRV
Tech stack
AkismetAosBootstrapCookieyesCore-JsFacebook Pixel
#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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 11k LinkedIn followers — 4.9% of this cohort's audience
Activity: 1 partnerships (incl. Tianjin Lishen Battery Joint-Stock Co.,Ltd.) announced in 12 mo
Funding rounds
  • Nov 2024Series C$45M
  • Nov 2024Grant (prize money)$2.1M
  • May 2023Series B$46.9M
  • Aug 2022Series B$38M
Founders & team
Daniel KonopkaCSO | Co-FounderJeff GranatoCo-Founder & CEO
Investors
Volta, Riverstone Holdings, Flag Group, ARPA-E, National Science Foundation
#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.

Fliar Intelligence Index™ 13how this company ranks against its industry peers
Funding
top 39%
Patents
top 40%
Innovation
top 45%
Moat
top 45%
Talent
bottom 45%
Global
bottom 29%
Funding: Raised $7.5M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) · Last round Series A (Jun 2025)
Patents: 9 patents matched (strict assignee match) · 9 filings since 2022 vs 0 in 2017-21 · Latest publication 2025
Innovation: 9 patents (top 69% of patent-holders) · 9 filings since 2022 vs 0 in 2017-21
Audience (LinkedIn): 3k LinkedIn followers
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Electrical Engineer - Power Electronics & Robotics, Software Engineer - Vehicle Controls & UI
Activity (LinkedIn): 1 product launches announced in 12 mo
Funding rounds
  • Jun 2025Series A$7.5M
Founders & team
Ben MeagerCo-Founder & CTO
Tech stack
Apple Icloud MailCloudwaysJsdelivrMicrosoft 365MysqlNginx
#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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 19k LinkedIn followers — 8.5% of this cohort's audience
Activity: 1 partnerships · 2 awards (incl. General Motors) announced in 12 mo
Funding rounds
  • Jul 2024Series A$55M
  • Oct 2023Series A$10M
Founders & team
Cameron DalesCo-FounderLandon MossburgCo-Founder & CEO
Investors
TDK Ventures, Eclipse, Xora Innovation, Tishman Speyer, TechEnergy Ventures, Doral Energy Group
Tech stack
Apple Icloud MailCloudflareCloudflare Bot ManagementFramer SitesGoogle Font ApiGoogle Tag Manager
#10
Funding Raised · Denver, Colorado · founded 2006 · 67 employees
$5.1Mraised
▾

Manufacturer and supplier of biodiesel

Funding rounds
  • Feb 2025Grant (prize money)$143.1K
  • Feb 2014Grant (prize money)$5M
Founders & team
Harry SimpsonPresident/CEO
Investors
United States Department of Agriculture
Tech stack
WordpressMysqlPhpDiviLitespeedPriority Hints
#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.

Funding rounds
  • Dec 2023Series B$3M
  • Nov 2022Series B$24M
  • Jun 2022Series A$5M
  • Feb 2022Series A$3.6M
Founders & team
Joe BeachCo-Founder & CEO
Investors
Innosphere, AP Ventures, Chevron Technology Ventures, Osaka Gas USA, Mitsubishi, New Energy Technology
#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.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 7k LinkedIn followers — 3.2% of this cohort's audience
Activity: 1 product launches announced in 12 mo
Funding rounds
  • Jun 2023Series B$17.8M
  • Jan 2022Series B$3M
  • Dec 2021Series B$14.8M
  • Sep 2020Series A$3.6M
Founders & team
Nolan MondrowCEO
Investors
Kozo Keikaku Engineering, Iron Gate Capital, UnitLeader, Service Provider Capital, Nelnet, Cypress Growth Capital
Tech stack
Amazon Web ServicesAnimate.CssApple Icloud MailApple PayAuraBold Commerce

Funding & investor landscape

$1.9Btotal disclosed funding
34companies funded
107disclosed rounds
0rounds last 90 days
Most active investors
Free Radical Ventures3 rounds
OSTI3 rounds
Techstars3 rounds
Activate Capital2 rounds
Bandon Partners2 rounds
Brookfield Asset Management2 rounds
DOE2 rounds
Eclipse2 rounds
Energy Impact Partners2 rounds
Goldman Sachs2 rounds

Notable founders

Cully Cavness
Co-Founder · Crusoe
Chase Lochmiller
Co-Founder & CEO · Crusoe
Mark Saunders
Co-Founder & CEO · Liminal Energy
Ken-Ichi Hino
Co-Founder · Liminal Energy
Tom Darrah
Co-Founder & CTO · Koloma
Pete Johnson
Co-Founder & CEO · Koloma
Aaron Grant
Co-Founder · Helio Home
Matthew Bailey
Co-Founder · Helio Home
Ryan Waddington
Co-Founder · Cowboy Clean Fuels
Daniel Konopka
CSO | Co-Founder · Iontra
Jeff Granato
Co-Founder & CEO · Iontra
Ben Meager
Co-Founder & CTO · Azak
Prism market signals · United States · country-scoped Prism corpus, 2,119,908 docs

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

RESEARCH SIGNALS · United States

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.

research sentiment over time
200820172026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and softening — the enthusiastic (strongly-positive) share moved 60% → 57% across 2008–2026.
top research entities
  • Electric Power Research Institute204
  • Pacific Northwest National Laboratory202
  • Argonne National Laboratory193
  • Northeastern University151
  • Massachusetts Institute of Technology124
leading researchers
Arumugam Manthiram · Vlachokostas, Alex · Di Wu · Yi Cui · Yury Gogotsi · Wei Wang · Freederia AI Researcher · Guihua Yu
▲ Breakthroughs1,937 · 33%
▼ 34%→32% share
▼0.9× share momentum1 median citations83% since 2021mostly methods-led
Breakthroughs are cooling (34%→32% of field), led by Battery (electricity).
rising sub-themes (early→recent)
  • Battery (electricity)57→359
  • Electrolyte37→318
  • Electrochemistry30→240
  • Cathode32→224
  • Anode37→209
Newly emergingEnergy (signal processing) 0→87 · Thermal 0→34 · Interphase 0→28
Landmark Challenges and Prospects of Lithium–Sulfur Batteries · 2,319 cites
◆ Advancements2,724 · 46%
▲ 40%→48% share
▲1.2× share momentum1 median citations87% since 2021mostly methods-led
Advancements are rising (40%→48% of field), led by Renewable energy.
rising sub-themes (early→recent)
  • Renewable energy40→492
  • Battery (electricity)59→507
  • Power (physics)8→227
  • Electrolyte27→244
  • Electrochemistry37→240
Newly emergingNuclear engineering 0→34 · Ionic conductivity 0→30 · Efficient energy use 0→30
Landmark Sodium‐Ion Batteries · 4,393 cites
▼ Concerns798 · 13%
▼ 14%→13% share
▼0.9× share momentum2 median citations80% since 2021mostly reviews
Concerns are cooling (14%→13% of field), led by Battery (electricity).
rising sub-themes (early→recent)
  • Battery (electricity)35→184
  • Renewable energy24→156
  • Electrolyte13→114
  • Electrochemistry10→80
  • Cathode9→72
Newly emergingDegradation (telecommunications) 0→21 · Sustainable energy 0→20 · Reliability (semiconductor) 0→19
Landmark Pseudocapacitive oxide materials for high-rate electrochemical energy storage · 5,233 cites
RESEARCH HOTSPOTS · United States

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.

SF Bay Area353 · +0.50
Hot · Battery (electricity)Advancing · Resilience (materials science)Opportunity · PorosityConcern · Commercialization
Boston340 · +0.51
Hot · Flow batteryAdvancing · RedoxOpportunity · ElectricityConcern · Nanoarchitectures for lithium-ion batteries
Austin119 · +0.42
Hot · SulfurAdvancing · Battery storageOpportunity · Flexibility (engineering)Concern · Polysulfide
Atlanta118 · +0.59
Hot · Triboelectric effectAdvancing · NanogeneratorOpportunity · ThermodynamicsConcern · Cost of electricity by source
Los Angeles108 · +0.58
Hot · PseudocapacitanceAdvancing · PseudocapacitorOpportunity · Energy (signal processing)Concern · Electricity generation
New York105 · +0.53
Hot · Electricity marketAdvancing · ArbitrageOpportunity · Photovoltaic systemConcern · Fossil fuel
Chicago86 · +0.58
Hot · ElectrolyteAdvancing · Ionic liquidOpportunity · PolymerConcern · Anode
San Diego83 · +0.53
Hot · FabricationAdvancing · MicrostructureOpportunity · ElectrodeConcern · Faraday efficiency
Ann Arbor62 · +0.46
Hot · Charge (physics)Advancing · Reliability engineeringOpportunity · Power (physics)Concern · Electrochemistry
Philadelphia61 · +0.47
Hot · MXenesAdvancing · SupercapacitorOpportunity · OxideConcern · Capacitor
PATENT SIGNAL · United States

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.

8,522 filings3,681 assigneespeak 1092/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
  • General Electric592
  • ESS Technology276
  • GM Global TECH Operations233
  • Fastcap Systems205
  • UNIV California180
  • Rondo Energy157
  • United Technologies154
  • Battelle Memorial Institute146

Common questions

How many Energy Tech companies are there in Denver, United States?
Radar tracks 77 indexable Energy Tech companies headquartered in Denver, United States that meet our profile-completeness bar.
What is the total funding raised by Energy Tech companies in Denver, United States?
The Energy Tech companies in Denver, United States on this list have raised a combined $1.9B in disclosed equity funding across 34 funded companies.
Which is the highest-funded Energy Tech company in Denver, United States?
Crusoe is the highest-funded Energy Tech company in Denver, United States, with $576.9M in disclosed equity funding.
How many Energy Tech companies in Denver, United States are funded?
34 of the 77 Energy Tech companies in Denver, United States on this list have disclosed at least one equity funding round.
How many Energy Tech unicorns are there in Denver, United States?
1 Energy Tech company in Denver, United States on this list is valued at $1B or more.
Who are the top investors in Denver, United States Energy Tech companies?
The most active investors in Denver, United States Energy Tech companies on this list include Free Radical Ventures, OSTI, Techstars, Activate Capital, Bandon Partners.
Rohit KhannaTrends & Stories

Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.

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