Best Energy Companies in Copenhagen, Denmark
The 46 best Energy companies in Copenhagen, Denmark in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Maersk Tankers.
Our analysis of 441 Energy companies
$135.1b in tracked funding; 76% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy companies in Copenhagen
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Maersk Tankers 🦄 Provider of pipeline management solutions for oil & gas industry | $1.9B | 44 mo ago | Acquired | Christian Ingerslev CEO | 2006 | ContentfulApple iCloud MailMicrosoft 365+11 | — | — |
| 2 | Cadeler Provider of wind operation and maintenance services | $92M | 30 mo ago | Public | — | 2008 | Craft CMSApple iCloud MailMicrosoft 365+19 | — | — |
| 3 | Spirii Provider of battery charging services | $36M | 66 mo ago | Acquired | — | 2019 | WebflowStripeAmazon Web Services+21 | — | 1 expansion |
| 4 | LED iBond Customized LED lighting solutions for commercial, industrial applications | $28M | 74 mo ago | Series B | — | 2001 | WordPressMySQLPHP+29 | 48 patents LED lighting and UV lamp connectors and plug systems for substrate integration | — |
| 5 | Saltfoss Developer of compact molten salt reactors deployed on power barges | $22M | 46 mo ago | Seed | Andreas Schofield Co-Founder & CTO | 2014 | WordPressApple iCloud MailMicrosoft 365+21 | — | 1 launch |
| 6 | Seaborg Developer of floating nuclear power plants | $22M | 46 mo ago | Funding Raised | Klaus Nyengaard CEO | 2014 | — | — | — |
| 7 | Reel Developer of solar and wind energy projects | $8M | 3 mo ago | Series A | Anders Meldgaard Co-Founder & CCO | 2020 | Framer SitesReactPriority Hints+8 | — | — |
| 8 | Dall Energy Provider of biomass gasification technology for sustainable heat and power generation | $3M | 67 mo ago | Funding Raised | — | 2007 | Windows ServerGoogle MapsVimeo+18 | 40 patents Solid-fuel gasification with hot gas cleaning and heat recovery technologies. | — |
| 9 | GreenGo Energy Renewable energy company | $2M | 129 mo ago | Seed | — | 2009 | Cart FunctionalitySquarespace CommerceSquarespace+15 | — | — |
| 10 | Hofor Utility providing water, gas, heating and energy to consumers | $305K | 115 mo ago | Public | — | 2012 | WordPressApple iCloud MailMicrosoft 365+25 | — | 1 job opening · 1 expansion · 1 award |
Top 12 Energy companies in Copenhagen
#1
Series A · Copenhagen, Capital Region of Denmark · founded 2020 · 7 employees$7.9Mraised▾
Developer of solar and wind energy projects
- May 2026Series A$17.6M
- Dec 2023Series A$5.4M
- Jun 2022Seed$2.4M
#2
Acquired · Copenhagen, Capital Region of Denmark · founded 2006 · 129 employees$1.9Braised▾
Provider of pipeline management solutions for oil & gas industry
- Nov 2022Conventional Debt$150M
- Nov 2021Series D$24.9M
- Jun 2012Series D$1.1B
- Nov 2011Series D$763.2M
#3
Public · Copenhagen, Capital Region of Denmark · founded 2008 · 70 employees$92.2Mraised▾
Provider of wind operation and maintenance services
- Feb 2024Post IPO—
- Apr 2021Post IPO$92.2M
#4
Seed · Copenhagen, Capital Region of Denmark · founded 2014$21.8Mraised▾
Developer of compact molten salt reactors deployed on power barges. The company focuses on creating a next-generation nuclear reactor that is safe and environmentally conscious. The reactor design incorporates liquid salt as a coolant, which ensures continuous cooling and prevents meltdowns. This approach reduces complexity and cost compared to conventional nuclear reactors. The company aims to make nuclear energy inexpensive, sustainable, and safe.
- Oct 2022Grant (prize money)—
- Oct 2021Seed$21.8M
- Apr 2018Seed—
- Mar 2017Grant (prize money)—
#5
Funding Raised · Copenhagen, Capital Region of Denmark · founded 2014 · 115 employees$21.8Mraised▾
Developer of floating nuclear power plants
#6
Acquired · Copenhagen, Capital Region of Denmark · founded 2019 · 17 employees$36.1Mraised▾
Provider of battery charging services
- Jan 2021Series A$18.8M
- Jul 2020Seed$15.1M
- Oct 2019Seed$2.2M
#7
Series B · Copenhagen, Capital Region of Denmark · founded 2001 · 41 employees$27.9Mraised▾
LED iBond manufactures lighting products using their proprietary technology based on Aluminium Composite plates (ACPs). ACP consists of two thin layers of aluminum, bonded by a PE core with an overall thickness of 6mm. It uses its unique properties to integrate LEDs into an ultra-slim package. Their products include ceiling lights, surface lighting, strip lighting, industrial lamps and hanging panel lights.
- Jun 2020Series B$13.6M
- Dec 2018Grant (prize money)$434.3K
- Nov 2017Series A$8M
- Jun 2016Series A$4M
#8
Funding Raised · Copenhagen, Capital Region of Denmark · founded 2007 · 14 employees$3Mraised▾
Provider of biomass gasification technology for sustainable heat and power generation. This technology enables efficient and clean energy production from various biomass sources, including waste wood and agricultural residues. The systems offer high efficiency, low emissions, and flexible fuel options, making them suitable for district heating networks and industrial applications. A key feature is the ability to operate stably at low loads, reducing the need for supplementary boilers. The technology minimizes maintenance requirements due to its robust design. The company's solutions contribute to reducing reliance on fossil fuels and promoting environmentally responsible energy production.
- Dec 2020Grant (prize money)$61.4K
- Jul 2018Grant (prize money)$2.8M
- Oct 2016Grant (prize money)$61.4K
- Aug 2016Grant (prize money)$55.8K
#9
Seed · Copenhagen, Capital Region of Denmark · founded 2009 · 100 employees$2.2Mraised▾
GreenGo Energy is a decentralized energy company, which supplies renewable energy directly to customers from a solar power plant on the roof of their buildings. The company offers two distinct products, one is a no-cost down PPA-based solar contract for commercial and industrial power consumers, where the user pays the company based on the actual power usage on the basis of a long-term PPA. The other product is an investment platform for large businesses and real estate investment funds to receive steady revenue by investing in high-yielding GreenGo solar power plants on top of their portfolio of buildings.
- Oct 2015Seed$2.2M
#10
Public · Copenhagen, Capital Region of Denmark · founded 2012 · 1609 employees$305.3Kraised▾
Hofor is a large corporation also known as the Greater Copenhagen Utility with business operations in multiple domains such as water, sewage, heating, power and city gas distribution. The company also has nearly 40 MW onshore wind turbines constructed and is targeting a total capacity of approximately 360 MW by 2025.
- Jan 2017Grant (prize money)$305.3K
#11
Funding Raised · Copenhagen, Capital Region of Denmark · founded 1956 · 54 employees—raised▾
Provider of engineering and consulting services across multiple sectors and disciplines. The company delivers solutions for building, infrastructure, energy, environment, and digital transformation projects. It offers expertise in areas such as data, sustainability, and green transition. The company focuses on practical engineering to create value for communities.
#12
Public · Copenhagen, Capital Region of Denmark · founded 1891 · 142 employees—raised▾
Manufacturer of high-voltage, medium-voltage, and low-voltage cables and accessories. This company provides cable services and technology consulting. They offer a full lifecycle of cable services, from design and manufacturing to installation and maintenance. The company also produces cable accessories to complement their cable offerings. Their services extend to consulting on cable technology.
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
How research on Grid Energy Storage is moving in Denmark
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 377 Denmark-affiliated papers.
- Aalborg University176
- Technical University of Denmark132
- Aarhus University46
- University of Southern Denmark15
- Danmarks Nationalbank5
- Renewable energy2→21
- Battery (electricity)3→14
- Power (physics)2→6
- Voltage droop1→5
- Electrical engineering1→5
- Renewable energy6→48
- Battery (electricity)4→39
- Thermal energy storage1→25
- Photovoltaic system2→22
- Flexibility (engineering)1→16
- Renewable energy3→14
- Electricity1→6
- Automotive engineering1→4
- Reliability engineering1→4
- Nanotechnology1→4
Where energy storage is researched across Denmark
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.
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.