Best Energy Companies in Attica, Greece
The 38 best Energy companies in Attica, Greece in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Eletson.
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 Attica
| # | Company | Disclosed funding | Last round | Stage | Employees | Founded | Founder | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Active Energy Distributor of photovoltaic modules, inverters, energy storage, and management applications | — | — | Unfunded | — | — | Vassilis Lazaridis CEO | — |
| 2 | Attiki Natural Gas Distribution Natural gas distribution company | — | — | Funding Raised | — | 2001 | Dimitrios Papakostas CEO & MD | — |
| 3 | Avin Oil and gas distributor | — | — | Funding Raised | — | 1977 | John V Vardinoyannis CEO & President | — |
| 4 | Biochar Hellas Provider of sustainable carbon removal projects | — | — | Unfunded | — | 2022 | George Sanidas Founder & CEO | — |
| 5 | Core Automation Provider of building energy management solutions for commercial spaces | — | — | Unfunded | — | 2004 | Konstantinos Andronikos Founder & CEO | — |
| 6 | Elin Verd Oil and gas exploration and production company | — | — | Acquired | — | 1999 | Yannis Kourouklis CEO | — |
| 7 | ElTech Anemos Wind farm project developer | — | — | Public | 34 | 1997 | Anastasios Kallitsantsis CEO & President | — |
| 8 | GasLog Provider of LNG gas transportation services | — | — | Public | 2,356 | 2001 | — | — |
Top 12 Energy companies in Attica
#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
What Attica researches in energy storage
- University of West Attica13
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.