Company lists · Data refreshed September 2026

Top 25 Renewable energy utilities based in Italy

Name: Renewable energy utilities based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 661 companies tracked

RevenueBase identified 661 company matches for renewable energy utilities associated with Italy as of September 2026 and tracks 35,412 professional contacts across them, including 12,751 with verified work emails. Milan is the largest hub.

This list covers company matches for renewable energy utilities associated with Italy, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 17, 2026 How this list was built

661Companies

35,412Contacts tracked

12,751Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest renewable energy utilities based in Italy

Ranked by team size

Top 25 of 661 company matches for renewable energy utilities based in Italy, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Enel Group	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	10001+	15,726 contacts →
	Exact match “We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Enel Green Power	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	5,001-10,000	5,251 contacts →
	Exact match “We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	NWG S.P.A	Exact match	Prato, ItalyHQ recorded Sep 17, 2026	n/a	766 contacts →
	Exact match “Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	ERG SPA	Exact match	Genoa, ItalyHQ recorded Sep 17, 2026	501-1,000	636 contacts →
	Exact match “We are a leading independent operator of clean energy from renewable sources, operating in nine European countries and in the United States.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Sorgenia	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	201-500	608 contacts →
	Exact match “Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Repower Italia	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	501-1,000	512 contacts →
	Exact match “Efficienza energetica e mobilità elettrica per le PMI.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Duferco Energia SPA	Exact match	Genoa, ItalyHQ recorded Sep 17, 2026	201-500	405 contacts →
	Exact match “Power production and trading, renewable energy sources power plants, electricity supply products, micro-business and SME market, retail network, green markets, PPA (power purchase…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Unoenergy SPA	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	501-1,000	377 contacts →
	Exact match “Il Gruppo Unoenergy da oltre 20 anni è uno dei primi operatori - a capitale interamente privato - per la fornitura di gas naturale, energia elettrica e servizi di efficientamento…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Dolomiti Energia	Exact match	Rovereto, ItalyHQ recorded Sep 17, 2026	1,001-5,000	369 contacts →
	Exact match “Rinnovabili.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Geko S.P.A	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	201-500	322 contacts →
	Exact match “GEKO opera in tutte le fasi strategiche della filiera energetica, dallo sviluppo, realizzazione, gestione e service di impianti di generazione elettrica alla vendita di energia e…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Gridspertise	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	201-500	291 contacts →
	Exact match “The partner of choice for DSOs worldwide.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	STE Energy	Exact match	Padua, ItalyHQ recorded Sep 17, 2026	51-200	194 contacts →
	Exact match “Since June 2025, STE Energy has been acquired by, becoming part of the world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	NWG Energia S.P.A. Società Benefit	Exact match	Prato, ItalyHQ recorded Sep 17, 2026	51-200	165 contacts →
	Exact match “Costruiamo insieme un futuro più pulito cominciando dall’energia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Espe S.P.A	Exact match	Grantorto, ItalyHQ recorded Sep 17, 2026	51-200	144 contacts →
	Exact match “Know-how, experience, reliability, innovation.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Alerion Clean Power S.P.A	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	11-50	123 contacts →
	Exact match “Alerion Clean Power è un gruppo industriale elettrico quotato alla Borsa di Milano, specializzato nel settore della produzione di energia elettrica da fonti rinnovabili ed in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Asja Energy	Exact match	Rivoli, ItalyHQ recorded Sep 17, 2026	201-500	114 contacts →
	Exact match “Asja is an International group of companies that design, build and manage renewable power plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Union GAS E Luce	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	51-200	110 contacts →
	Exact match “Union S.p.A.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Ivpc Group	Exact match	Avellino, ItalyHQ recorded Sep 17, 2026	201-500	110 contacts →
	Exact match “Uno dei principali gruppi a livello nazionale nel settore delle energie rinnovabili.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Siel S.P.A	Exact match	Trezzano Rosa, ItalyHQ recorded Sep 17, 2026	51-200	100 contacts →
	Exact match “In its current structure, Siel Group is a holding company deeply rooted in a world-class economic, technological, and cultural context.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Vivi Energia	Exact match	Roncadelle (bs), ItalyHQ recorded Sep 17, 2026	51-200	99 contacts →
	Exact match “VIVI energia è tra i principali operatori indipendenti italiani nel mercato dell’energia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Esapro	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	51-200	98 contacts →
	Exact match “We have more than 10 years’ experience in designing, building and managing renewable power plant and an enviable track record in the maintenance, revamping and 24/7 surveillance…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	PEF SPA	Exact match	Barberino Tavarnelle, ItalyHQ recorded Sep 17, 2026	11-50	93 contacts →
	Exact match “PEF SpA nasce a Firenze nel 2006, iniziando ad operare nel settore delle energie rinnovabili, con la commercializzazione su tutto il territorio nazionale di impianti fotovoltaici…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Delos Power	Exact match	Milan, ItalyHQ recorded Sep 17, 2026	51-200	85 contacts →
	Exact match “Ogni giorno, lavoriamo per generare un impatto positivo sull'ambiente e sulla società.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	5-15 Global Energy Italia	Exact match	Camaiore, ItalyHQ recorded Sep 17, 2026	51-200	84 contacts →
	Exact match “ABBIAMO LAVORATO DURAMENTE E COSTRUITO UNA COMPAGNIA DA UN MILIARDO DI DOLLARI E ADESSO VOGLIAMO CHE TU POSSA RAGGIUNGERE LO STESSO SUCCESSO.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Italia GAS E Luce	Exact match	Camaiore, ItalyHQ recorded Sep 17, 2026	51-200	83 contacts →
	Exact match “Advanced industrial knowledge and detailed research help us deliver renewable and cost-effective energy to tens of thousands of businesses and homes around the world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “renewable energy utilities”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 661 renewable energy utilities based in Italy

See the full list, filter by size, metro and specialty, and access 12,751 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Renewable energy utilities based in Italy at a glance

As of Sep 17, 2026

36.0%Verified-email coverage

53.6Average contacts per company

11-50Median size (employees)

10.9%Largest-city concentration · Milan

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

279

11-50

263

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 661 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Italy whose business descriptions match “renewable energy utilities” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 12,751 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Renewable energy utilities by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “renewable energy utilities”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy utilities are there based in Italy?

RevenueBase identified 661 company matches for renewable energy utilities associated with Italy as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Enel Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most renewable energy utilities?

Milan leads with 72 company records, followed by Rome (42) and Turin (19).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 12,751 professional contacts with verified work emails tracked across these 661 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

Ready to reach these companies? Verified emails and direct dials for all 661 renewable energy utilities based in Italy. Start with a free account, no credit card.

Download this list →

Related lists

Renewable energy utilities by geography

Browse the directory

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.