Company lists · Data refreshed September 2026
Top 25 Distributed generation companies based in Italy
RevenueBase identified 1,311 distributed generation companies headquartered in Italy as of September 2026 and tracks 10,117 professional contacts across them, including 2,522 with verified work emails. Roma is the largest hub.
This list covers distributed generation companies headquartered in Italy, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest distributed generation companies based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 255 contacts → | ||||
Indirect evidence “Renovit Società Benefit è un primario operatore nel mercato dell’efficienza energetica, nato da un'iniziativa di Snam e CDP Equity.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 194 contacts → | ||||
Indirect evidence “Since June 2025, STE Energy has been acquired by, becoming part of the world.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 144 contacts → | ||||
Indirect evidence “Know-how, experience, reliability, innovation.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 137 contacts → | ||||
Indirect evidence “TerniEnergia is active in the energies from renewable sources business, particularly in the photovoltaic segment, where it operates as a system integrator.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 114 contacts → | ||||
Indirect evidence “Asja is an International group of companies that design, build and manage renewable power plants.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 100 contacts → | ||||
Indirect evidence “In its current structure, Siel Group is a holding company deeply rooted in a world-class economic, technological, and cultural context.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 98 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 94 contacts → | ||||
Indirect evidence “Nata nel 2009 a Lipsia (Germania), SENEC sviluppa e produce sistemi d’accumulo intelligenti ed offre una gamma completa di prodotti e servizi per l’autosufficienza energetica.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 78 contacts → | ||||
Indirect evidence “servizi di progettazione integrata, risparmio energetico, analisi energetiche finalizzate all'energy saving impianti termici impianti elettrici energie alternative.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 68 contacts → | ||||
Indirect evidence “In Lenergy, acceleriamo la transizione verso l'indipendenza energetica per famiglie e imprese.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 63 contacts → | ||||
Indirect evidence “Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 62 contacts → | ||||
Indirect evidence “Energia pulita accessibile a tutti: questo è il sogno di Enpal.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 62 contacts → | ||||
Indirect evidence “Entra nel mondo di Gesco SpA e scopri con noi come costruire un futuro sostenibile.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 61 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 59 contacts → | ||||
Indirect evidence “Energy Italy SpA, azienda parte del gruppo Energy Holding, dal 2012 è tra le realtà più innovative nel settore delle energie rinnovabili e del risparmio energetico.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 57 contacts → | ||||
Indirect evidence “EVA: il tuo partner per un futuro energetico sostenibile.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 55 contacts → | ||||
Indirect evidence “We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 53 contacts → | ||||
Indirect evidence “Inergia was founded in 2003 with the strategic diversification of the Santarelli group, a leader in Italy’s real estate industry.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 52 contacts → | ||||
Indirect evidence “L’ambito principale di attività riguarda la progettazione, la realizzazione e la gestione di infrastrutture elettriche e di impianti di produzione di energia da fonti rinnovabili…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 47 contacts → | ||||
Indirect evidence “Braga Group: il tuo partner per la transizione energetica.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 47 contacts → | ||||
Indirect evidence “La GIN GROUP è una società giovane e dinamica, creata da tre professionisti che hanno maturato la loro esperienza nel campo dell’energia alternativa attraverso l’importazione e la…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 44 contacts → | ||||
Indirect evidence “Energy was founded in 2013 with a dream: make clean energy accessible to everyone, and at any time of day.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 43 contacts → | ||||
Partial evidence “Comef designs and builds systems for energy generation from renewable sources, energy plants from biomasses (biomass to energy), energy plants from waste (waste to energy), and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 43 contacts → | ||||
Indirect evidence “We turn the complexity of the energy transition into reliable, high-performance infrastructure built to last.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 43 contacts → | ||||
Indirect evidence “Gaia Energy Systems opera da anni nei settori delle energie rinnovabili e dell’efficientamento energetico, sia al fianco di aziende che di privati.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: distributed generation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names distributed generation companies.
- Partial evidence
- Its own public description names part of distributed generation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name distributed generation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 1,311 distributed generation companies based in Italy
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Distributed generation companies based in Italy at a glance
As of Sep 16, 2026Companies by employee count
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 1,311 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among distributed generation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Italy whose own description of what they do matches “distributed generation companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names distributed generation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among distributed generation companies, and records with no verified work email. Companies headquartered outside Italy are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 2,522 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Distributed generation companies by metro
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names distributed generation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many distributed generation companies are there based in Italy?
RevenueBase identified 1,311 distributed generation companies headquartered in Italy as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Renovit, headquartered in Milano, tops this list with the largest team on record.
Which city has the most distributed generation companies?
Roma leads with 49 headquartered companies, followed by Milan (40) and Milano (29).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,522 verified decision-maker contacts tracked across these 1,311 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
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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 Smart Search, 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.
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