Company lists · Data refreshed September 2026

Top 25 Renewable energy system integrators based in Rome, Italy

Name: Renewable energy system integrators based in Rome, Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 135 companies tracked

RevenueBase identified 135 company matches for renewable energy system integrators associated with Rome, Italy as of September 2026 and tracks 6,599 professional contacts across them, including 1,982 with verified work emails. Across Italy, Rome is the largest hub for this category.

This list covers company matches for renewable energy system integrators associated with Rome, 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

135Companies

6,599Contacts tracked

1,982Verified emails

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

The 25 largest renewable energy system integrators based in Rome, Italy

Ranked by team size

Top 25 of 135 company matches for renewable energy system integrators based in Rome, 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 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
2	KEY To Energy	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	51-200	94 contacts →
	Exact match “Key to Energy is a consulting company made up of a team of professionals with solid experience in main European markets in the retail and wholesale energy sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Saccir S.P.A	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	201-500	61 contacts →
	Exact match “Nata nel 1938, SACCIR è parte del gruppo SAMOVAR ha accompagnato l’evoluzione dell’energia in Italia, diventando un punto di riferimento nel settore dei multiservizi tecnologici.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Undo Group	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	51-200	55 contacts →
	Exact match “We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Inergia S.P.A	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	53 contacts →
	Exact match “Inergia was founded in 2003 with the strategic diversification of the Santarelli group, a leader in Italy’s real estate industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	ESI Energy System Integrator SPA	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	36 contacts →
	Exact match “ESI, acronimo di ‘’Energy System Integrator’’, opera come EPC nella realizzazione di impianti fotovoltaici su larga scala offrendo soluzioni “chiavi in mano” e come System…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Kerr SPA	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “Siamo una piattaforma specializzata in progetti di energia rinnovabile ed efficientamento energetico.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Studio Rinnovabili	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	25 contacts →
	Exact match “Studio Rinnovabili since 2004 works to meet the needs of those who want to develop renewable energy and energy efficiency projects by supporting with engineering and analysis.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Ness S.P.A. SB	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “NESS è una ESCo certificata UNI 11352 che si pone come obiettivo quello di fornire, a clienti pubblici e privati, soluzioni ai problemi di natura energetica ed ambientale.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	WPD Italia	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “Sviluppo delle energie sostenibili, know-how avanzato, innovazione tecnologica, attenzione alle esigenze delle comunità locali.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Volt Infrastructure	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Developing and investing in high performing, grid scale, renewable energy projects.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Switch Engineering	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Switch Engineering nasce dall’esperienza del Gruppo Igeam, che da oltre 40 anni si occupa di sostenibilità, e della Biagi & Partners con le sue notevoli esperienze nel settore…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Intellienergia	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Intellienergia è uno Spin-off ad elevato valore tecnico-scientifico promosso e partecipato dall’Università degli Studi di Roma Tor Vergata che ha sede presso il parco scientifico…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Logen Group	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “LOGEN S.r.l.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Ermes S.P.A	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “ERMES SpA opera nella produzione di Energia Elettrica da Fonte Rinnovabile attraverso il Development - EPCM - O&M service.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Omnivolt	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Omnivolt nasce dalla passione e dall'esperienza ultraventennale del suo team nel settore dell’elettro forniture e delle consulenze tecniche impiantistiche ed energetiche, con…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Verdeco	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Verdeco è la Energy Service Company specializzata in efficienza energetica, servizi di ingegneria e fotovoltaico.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	ITI SRL	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Industrial Technological Plants (I.T.I.) was founded in the 1980 from the holders’ experience in the field of the electrical and instrumental engineering, particularly oriented in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	STP Studi Tecnologie Progetti S.R.L	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Al.Ga SRL	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Al.Ga Srl è un'azienda che vanta 20 anni di esperienza nel campo impiantistico, nasce nel 2007 dalla passione condivisa tra padre e figlio.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	NEXT	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Operiamo nel campo della pianificazione, progettazione e realizzazione di interventi finalizzati all’efficientamento energetico ed allo sviluppo delle fonti rinnovabili.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Hazel NEW Energy	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “Hazel is active in the engineering sector in renewable energy projects, with particular focus on photovoltaic, bess and innovative energy transition projects where we provide…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Zenit Energia SRL	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	1-10	7 contacts →
	Exact match “Zenit Energia offre su tutto il territorio nazionale servizi per la gestione energetica integrata alle aziende e al mercato residenziale; opera nel campo delle forniture di…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Union ISS	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	51-200	5 contacts →
	Exact match “Fondata nel 2017, Union ISS opera nei settori Rail, Cruise e Energy, combinando affidabilità tecnica e organizzativa con soluzioni ingegneristiche innovative nei campi…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Becoming SRL	Exact match	Rome, ItalyHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Il progetto Becoming parte dall’esperienza acquisita in anni di lavoro nel settore delle energie rinnovabili e sfocia nella volontà di creare un riferimento nel mondo…” 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 system integrators”. 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 135 renewable energy system integrators based in Rome, Italy

See the full list, filter by size, metro and specialty, and access 1,982 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Renewable energy system integrators based in Rome, Italy at a glance

As of Sep 17, 2026

30.0%Verified-email coverage

48.9Average contacts per company

1-10Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

5,001-10,000

Email recency for this list is measured across the whole Italy list rather than for Rome, so it is reported there. Company counts and contact totals on this page are exact for Rome.

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 Rome, Italy whose business descriptions match “renewable energy system integrators” 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 1,982 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 system integrators by metro in Italy

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 system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy system integrators are there based in Rome, Italy?

RevenueBase identified 135 company matches for renewable energy system integrators associated with Rome, 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 Green Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Italy has the most renewable energy system integrators?

Rome leads Italy with 135 company records, followed by Milan (120) and Turin (38).

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 1,982 professional contacts with verified work emails tracked across these 135 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 135 renewable energy system integrators based in Rome, Italy. Start with a free account, no credit card.

Download this list →

Related lists

Renewable energy system integrators 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.