Best Energy Tech Companies in Dublin, Ireland
The 56 best Energy Tech companies in Dublin, Ireland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: UrbanVolt.
Our analysis of 287 Energy Tech companies
$109.4b in tracked funding; 82% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Tech companies in Dublin
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3D Property Scan Online 3D property scan & virtual platform | — | — | — | Trevor Kelly Owner | — | — | — | — |
| 2 | Activation Energy Irish Demand Response company | — | — | 5 | — | — | — | — | — |
| 3 | Acutrace Provider of solutions for energy management | — | — | 7 | Aidan McDonnell Managing Director | — | — | — | — |
| 4 | Applegreen Electric Operator charging station networks | — | — | — | Joe Barrett Co-Founder | Apple iCloud MailJavaGoogle Maps+18 | Top 5M | — | — |
| 5 | Ausar Geophysical Provider of a cloud-based seismic data deblending software | — | — | — | Alan Richardson Founder | — | — | — | — |
| 6 | Beeyon Offering solutions for data center energy management | — | — | 3 | Damian Dalton Co-Founder & CEO | — | — | — | — |
| 7 | Case Centre Pro Cloud-based maintenance management software for maintenance professionals | — | — | — | Mark Smith Founder | — | — | — | — |
| 8 | Circular Energy Provider of energy management services | — | — | — | Peter Penn Founder | — | — | — | — |
Top 12 Energy Tech companies in Dublin
#1
Series E · Dublin, Leinster · founded 2015 · 33 employees$80.5Mraised▾
UrbanVolt provides solutions for lighting as a service. It provides LED upgrade solutions that include capital investment, complete project management, and maintenance.
- May 2025Conventional Debt$45.2M
- Aug 2023Series E$28.3M
- Oct 2022Conventional Debt$29.6M
- May 2022Series D$6.3M
#2
Series A · Dublin, Leinster · founded 2010 · 16 employees$8.5Mraised▾
Developer of low-carbon drop-in transport fuels from diverse waste streams. It transforms waste into affordable low-carbon drop-in fuels. The company also pioneers sustainable carbon-negative fuels.
- Jan 2026Series A$20.1M
- Apr 2025Grant (prize money)$8.4M
- Jul 2022Series A$8.5M
#3
Seed · Dublin, Leinster · founded 2019 · 14 employees$476.5Kraised▾
Developer of vision-based Advanced Rider Assistance Systems for powered two-wheelers. The company delivers in-ride proximity warnings and post-ride analytics. It offers camera hardware, giving OEMs options to bring ARAS to their riders. The company provides solutions to help riders learn how to maneuver in high risk scenarios, providing reaction time for riders to maneuver to safety.
- Jan 2026Seed$1.7M
- Apr 2022Grant (prize money)$54.3K
- Mar 2021Seed$476.5K
#4
Series A · Dublin, Leinster · founded 2012 · 36 employees$35.1Mraised▾
Waste Heat to energy converter. It offers a form of waste heat exchanger which helps in converting low-grade waste heat LGWH into a usable form. The technology is particularly suited to industrial applications like combined heat power, biogas, cargo shipping, and more.
- Jan 2022Series A$35M
- May 2017Grant (prize money)$2.8M
- Jun 2015Grant (prize money)$2.7M
- May 2015Grant (prize money)$2.8M
#5
Series B · Dublin, Leinster · founded 2009 · 22 employees$73.2Mraised▾
Developer of bioenergy projects
- Jun 2021Series B$73.2M
#6
Series A · Dublin, Leinster · founded 2018 · 31 employees$4.1Mraised▾
Moby is an app-based electric-bicycle sharing platform. The platform enables users to find, book, and unlock the e-bicycles near to their location. It offers features like an in-app energy consumption logger, QR code enabled unlock system, pedal-assist motor, onsite storage, charging options & more. It offers solutions for corporates & subscription-based solutions to users. At the end of the ride, users can park the vehicle at any public bike stands. Their mobile app is available for both Android & iOS devices.
- Jan 2024Series A$3.1M
- Dec 2020Seed$966.3K
#7
Acqui-Hired · Dublin, Leinster · founded 2004 · 114 employees$71.1Mraised▾
OpenHydro, a DCNS company, specializing in the design, manufacture, installation and maintenance of marine turbines generating renewable energy from tidal streams. It offers a full turn-key tidal farm service, including the supply of Open-Centre Turbines, installation using patented barge deployment system, grid connection and maintenance. It deploys turbine arrays under the surface of the oceans to produce energy silently, invisibly and with no impact on the environment. It has tidal development projects in Ireland as well as internationally – UK, France & Canada.
- Sep 2017Grant (prize money)$9.3M
- Feb 2016PE$53M
- Jan 2011Series A$18.1M
#8
Seed · Dublin, Leinster · founded 2019 · 55 employees$10Mraised▾
Manufacturer of electric bicycles. The company develops various models of electric bicycles like Saigon +, Saigon S with features like 250-Watt motor, hydraulic disc brakes, 17.5Ah battery range, and more. Also, it offers assistive mobile application for users to manage bicycle at live.
- Jan 2022Angel$5.6M
- Sep 2021Seed$3.1M
- Mar 2021Seed$1.2M
#9
Seed · Dublin, Leinster · founded 2023$1.6Mraised▾
API for smart meter data. It offers solutions to leverage data to conduct energy audits, monitor ongoing energy efficiency, identify the most appropriate tariff, and better manage properties.
#10
Deadpooled · Dublin, Leinster · founded 2014 · 20 employees$5.8Mraised▾
Provider of AI-based autonomous gas monitoring technology. Ambisense provides a solar-powered autonomous monitoring system for remote monitoring of environmental parameters. These monitoring systems upload the data collected on a periodic basis to the cloud, where it is analyzed. The continuous flow of data can be used to set up alerts or downstream processes in case of any dangerous or unwanted behaviour due to emissions of gases. It is used in establishments such as landfills, oil and gas sites, water treatment facilities and other biogas facilities.
- Aug 2021Series A$3.5M
- Jun 2019Seed$1.2M
- Apr 2017Seed$1.1M
#11
Acqui-Hired · Dublin, Leinster · founded 1985 · 100 employees$9.6Mraised▾
Cylon provides integrated building energy management systems. It designs hardware and software solutions to control, monitor and maintain building environment, maintaining occupant comfort, and more. The company offers 'Cylon Active Energy' - a SaaS-based building energy monitoring system that provides real-time information on energy usage and consumption in a building. Additionally, it also offers energy management tools with features such as charting, analysis, reports, monitoring & alarms, data collection, branding, and more. The company also collects data form wired & wireless sensors.
#12
Series A · Dublin, Leinster · founded 2009 · 437 employees$6.6Mraised▾
Pay-as-you-go electricity and gas retailer. The company provides electricity and gas on a pay-as-you-go basis. The company provides its customers with a meter and a smartphone app. The users can top-up the electricity using the app. The app provides information on energy usage and pricing.
- Jun 2013Series A$6.6M
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 flat
How research on Energy Storage in Dublin is moving
A read on the academic research around Energy Storage in Dublin — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 62 papers.
University College Dublin, Trinity College Dublin, and Dublin City University lead Dublin's energy-storage research, dominated by battery materials and supercapacitors, with an optimistic tone reflecting strong recent growth.
- University College Dublin33
- Trinity College Dublin21
- Dublin City University7
- Technological University Dublin5
- Supercapacitor6
- Capacitance6
- Nanotechnology4
- Renewable energy4
- MXenes3
- Wind power1→3
- Flexibility (engineering)1→3
- Nanotechnology3
- Process engineering3
- Renewable energy2
- Environmental economics2
- Battery (electricity)2
Common questions
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.