An italian company,
a global attitude.

Take a moment to read about us.

This is where we come from and what we made possible.

ESI - Energy System Integrator

ESI stands for 'Energy System Integrator', operating as an EPC in the realisation of large-scale photovoltaic systems offering turnkey solutions and as a System Integrator in the design and construction of rural mini-grids.

A motivated and highly specialised team of technicians, architects and engineers accompanies the customer throughout the project, guaranteeing a tailor-made result and perfect integration with the surrounding environment.

300

MW_p

Project

Countries

191.000

Ton CO₂ avoided

With energy we bring rights

ESI works so that people in the world's most remote and disadvantaged areas can also benefit from the advantages of strictly renewable energy. To this end, we use the best technologies to ensure that all projects are environmentally, socially and economically sustainable.

Sustainability

the continuous search for sustainable technologies for customers and the environment

Group spirit

sense of belonging to a young family with big goals

Solidarity & Cooperation

which takes the form of partnerships with NGOs and companies to provide energy in the most remote places

Passion & Tenacity

the energy that drives us to overcome challenges increasingly complex

Felice Egidi

President (independent)
Chairman of the board

Bio

Riccardo Di Pietrogiacomo

Chief Executive Officer
Board member

Bio

Stefano Plocco

Chief Executive Officer
Board member

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francesco passeretti

Diego F. Passeretti

Chief Financial Officer

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How ESI SpA was born



	2020 Birth of ESI SpA The company changed its name to ESI SPA, continued to operate as an EPC in the construction of large-scale photovoltaic plants offering turnkey solutions and as a System Integrator in the design and construction of rural mini-grids, particularly in Africa, and closed the financial year with a value of production of approximately EUR 16 million. Since 2020, it has been listed on Euronet Growth Milan (Ex AIM Italy) managed by Borsa Italiana S.p.A.
	2019 Focusing on renewable energy WSI achieves a turnover of 4.1 million euros. At the end of the same year, the company Work System Integrator Spain SL and a Unión Temporal de Empresas (UTE) are established, both with headquarters in Spain.

	2018 Working beyond borders Work System Integrator SRL (WSI) was born in 2018. The Company operates in the renewable energy market, both as an EPC and as a system integrator. It is focused on different market segments: photovoltaic systems, wind power plants, off-grid systems, mini-grid systems, hybrid systems, storage systems.

An italian company,
a global attitude.

ESI - Energy System Integrator

With energy we bring rights