SG

SUNEL Group

Athens, Greece

SolarEnergy Storage
Founded 2006201-500 employees1 GW installed
Profile last updated: May 6, 2026

About

Founded in 2006, SUNEL Group is a renewable energy company headquartered in Athens, Greece with approximately 201-500 employees specializing in Solar, Energy Storage.

SUNEL Group is a solar energy developer, EPC contractor and operator headquartered in Athens, Greece. It provides engineering, procurement and construction, operations and maintenance, asset management, project development and financing, energy storage, and energy efficiency services for utility-scale and distributed solar PV projects across Europe, the Middle East, Africa, Latin America and Asia. Founded in 2006, the group reports about 1,000 MW of projects powering communities and 1,500 MW under execution, with a joint venture with Ameresco.

Headquarters

Athens, Greece

Founded

2006

Employees

201-500

Focus areas

Solar PVEPCBattery Energy StorageEnergy EfficiencyO&MAsset ManagementProject DevelopmentProject Financing

Products & services

Business models

B2BEPC

Value chain

DevelopmentEngineeringProcurementConstructionO&MAsset ManagementAdvisoryCommunity Engagement

Service areas (3)

  • EPC

    Engineering, procurement and self-performed construction of utility-scale solar PV and storage projects.

  • Project Development and Financing

    Co-development, feasibility, permitting, PPA negotiation, financial structuring and financing of utility-scale solar PV projects.

  • O&M and Asset Management

    24/7 remote monitoring, preventive and corrective maintenance, and asset management for solar plants.

Locations

Headquarters

Irakliou Avenue 453, 14122, Athens, Greece

Operating locations (4)

  • London, United Kingdom
  • Valencia, Spain
  • Milan, Italy
  • Bucharest, Romania

Service regions

GreeceUnited KingdomSpainItalyRomaniaEuropeMiddle EastAfricaLatin AmericaAsia

Projects

3

Delfini

OperationalSolar PV

Greece's first solar PV project under a private Power Purchase Agreement, completed in 2024 by the Ameresco SUNEL joint venture.

100 MW capacityGreece

Enipeas

Under ConstructionSolar PV

Solar project described as one of Europe's largest solar sites, under construction for Lightsource BP.

560 MW capacityGreeceClient: Lightsource BP

Kozani

Solar PV

Solar project in Kozani awarded to Ameresco SUNEL Energy SA to drive energy decarbonization.

83 MW capacityKozani, Greece

Credentials & affiliations

Partnerships

Ameresco, OMNIPOL

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