Best Energy Companies in Greece
The 60 best Energy companies in Greece in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Eletson.
- International grid edge study reveals countries needs and readiness f
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 Greece
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Market signals (1y) | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Eletson Provider of sea based gas transportation services | $700M | 152 mo ago | Series D | — | 1966 | WordPressPleskMySQL+17 | 6 signals Lawsuit | — |
| 2 | The Sunlight Group Production and distribution of lead acid & lithium ion batteries and energy storage systems | — | 30 mo ago | Funding Raised | Davide Pesce CEO | 1991 | — | — | — |
| 3 | deddie Developer of electricity transmission based utility projects | — | 32 mo ago | Funding Raised | — | 2012 | WordPressApple iCloud MailMicrosoft 365+19 | — | — |
| 4 | Coral Energy Petroleum product distribution company | — | 56 mo ago | Funding Raised | Stamatis Petsis CEO | 1926 | WordPressMySQLPHP+27 | — | — |
| 5 | ADMIE It is a holding company that oversees the electricity network and transmission lines | — | 57 mo ago | Funding Raised | — | 2011 | DrupalPHPLeaflet+20 | — | — |
| 6 | EUNICE Energy Group Developer of wind energy projects | — | 58 mo ago | Funding Raised | — | 2001 | WordPressMySQLPHP+30 | — | — |
| 7 | Motor Oil Hellas Crude oil processing company | — | 59 mo ago | Public | Vardis Vardinoyannis Chairman & CEO | 1970 | WordPressMySQLPHP+18 | 5 signals Contracts | — |
| 8 | PPC Provider of electricity and natural gas products and solutions for homes from PPC | — | 66 mo ago | Public | — | 1950 | SalesforceChart.jsYouTube+27 | — | — |
Top 12 Energy companies in Greece
#1
Series D · Piraeus, Attica · founded 1966 · 339 employees$700Mraised▾
Provider of sea based gas transportation services
#2
Funding Raised · Kifissia, Attica · founded 1991 · 3050 employees—raised▾
Production and distribution of lead acid & lithium ion batteries and energy storage systems
#3
Funding Raised · Athens, Attica · founded 2012 · 44 employees—raised▾
Developer of electricity transmission based utility projects
#4
Funding Raised · Athens, Attica · founded 1926—raised▾
Producer and distributor of oil. The company engages in the distribution commercial and industrial fuel, asphalt, LPG, chemicals, lubricants and other related products throughout Greece.
#5
Funding Raised · Athens, Attica · founded 2011 · 1154 employees—raised▾
ADMIE (ΑΔΜΗΕ) is an independent power transmission operator in Greece. They oversee the electricity network, from grids to substations, and are responsible for ensuring the reliable transmission of electricity.
#6
Funding Raised · Athens, Attica · founded 2001—raised▾
Developer of wind energy projects
#7
Public · Marousi, Attica · founded 1970 · 2945 employees—raised▾
In 2022, the company recorded annual revenues of $17.48B and a net profit of $1.02B.
#8
Public · Athens, Attica · founded 1950 · 13102 employees—raised▾
Provider of electricity and natural gas products and solutions for homes in Greece, offered by DEI, the largest power supplier in the country. Access your account, bills, and activate services through the myDEI app. Conveniently pay electricity and gas bills online with no extra cost.
#9
Series A · Marousi, Attica · 5 employees—raised▾
Vertically integrated gas company
#10
Public · Athens, Attica · founded 1998 · 3409 employees—raised▾
Integrated multi-vertical oil & gas company
#11
Public · Piraeus, Attica · founded 2001 · 2356 employees—raised▾
Operator of natural gas storage terminals
#12
Acquired · Athens, Attica · founded 1997 · 441 employees—raised▾
Terna Energy is a vertically organized Renewable Energy Sources company undertaking the Development, Construction, Financing, and Operation of renewable energy projects (wind, hydro, solar, biomass, waste management). The company has an installed based of nearly 665 MW, out of which wind is primary with 638 MW. They have a pipeline of around 6000 MW of projects in operation, under construction or in an advanced stage of development. Terna Energy is a member of GEK TERNA Group of Companies
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 Greece
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 214 Greece-affiliated papers.
- National Technical University of Athens44
- Centre for Research and Technology Hellas27
- Aristotle University of Thessaloniki25
- University of Patras21
- Democritus University of Thrace18
- Photovoltaic system1→6
- Controller (irrigation)1→5
- Renewable energy2→41
- Photovoltaic system1→16
- Wind power1→14
- Environmental economics1→12
- Electric power system2→11
- Renewable energy2→5
Where energy storage is researched across Greece
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.