About Acea Energia
Acea Energia is a company based in Rome (Italy) founded in 1909, and was acquired by Eni Plenitude in June 2025. Provider of electricity, gas, and e-mobility services. Acea Energia has completed 3 acquisitions, including Aquanexa, Deco Group and Tecnoservizi. Its chief executive, as recorded, is Stefano Antonio Donnarumma. Its website acea.it draws about 1.1 million monthly visits. Acea Energia offers products and services including Electricity Supply and Gas Supply. Its legal entity is Acea Energia Spa.
Company details
Acea Energia was founded in 1909 and is headquartered in Rome, Italy, within the energy sector. Electricity and gas supplies are provided to residential customers and businesses, including small and medium-sized enterprises. E-mobility solutions, such as charging infrastructure, are offered alongside related services. A loyalty program is maintained for customer benefits, while support encompasses technical assistance, billing details, and contract handling. Energy accounts are managed via a dedicated mobile application.
- Headquarters Rome, Italy
- Stage Acquired
- Website category Finance · Financial Planning and Management
- Emailβ’β’β’β’β’β’β’β’
- Phoneβ’β’β’β’ β’β’β’β’
- Website acea.it
- Social LinkedIn Facebook Instagram
- Acquired by Eni Plenitude (Jun 2025)
- Legal Name Acea Energia Spa
- Latest Funding Round$266.07K (USD), Grant
Sep 2019
- InvestorsEni Plenitude
& 1 more
- Investments & AcquisitionsAquanexa
& 2 more
- Acquired byEni Plenitude
(Jun 2025)
Products & Services of Acea Energia
Acea Energia offers a comprehensive portfolio of products and services, including Electricity Supply and Gas Supply.
Electricity is supplied to households and businesses, with sustainable options being included for renewable sources.
Gas is supplied alongside electricity, with emissions being compensated through certified carbon credits.
Funding Insights of Acea Energia
- Total Rounds 2
- Last Round Grant β $266,068
- First Round $22,943
(Jan 2017)
- Investors Count 1
All 2 funding rounds of Acea Energia with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Sep 2019 | $266,068 | Grant | β | β | |
| Jan 2017 | $22,943 | Grant | β | β |
2 investors in total: 2 institutional.
Investors in Acea Energia
Acea Energia has secured backing from 2 investors, including institutional investors. Prominent investors backing the company include Eni Plenitude and European Union.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Government entites focused on freedom, democracy, equality and the rule of law, promoting peace and stability | 1958 | europa.eu | Brussels, Belgium | |
Manufacturer of solar powered products | 2021 | eniplenitude.com | San Donato Milanese, Italy |
Investor details for Acea Energia
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People of Acea Energia
2 people are tracked at Acea Energia (2 in leadership).
| Name | Role | Group |
|---|---|---|
Stefano Antonio Donnarumma | CEO | Leadership |
Fabrizio Ferri | Executive President ACEA International | Leadership |
Complete people profiles for Acea Energia
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Investments & Acquisitions by Acea Energia
Acea Energia has strategically engaged in corporate development activities, having acquired 3 companies. Notable acquisitions include Aquanexa, Deco Group and Tecnoservizi.
| Company Name | Description | Domain | Location | Founded | Acquired | Amount |
|---|---|---|---|---|---|---|
Provides water treatment, IoT monitoring, network engineering, and digital platform services. | aquanexa.it | Milan, Italy | 2024 | Apr 2026 | $241.08M | |
Environmental technologies and services are supplied to clients. | decogroup.it | Spoltore, Italy | 1989 | Jan 2023 | β’β’β’β’ | |
Waste recycling services are provided in Italy. | tecnoservizisrl.com | Monterotondo, Italy | 1992 | Oct 2022 | $5.1M |
Complete acquisition details for Acea Energia
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Timeline of Acea Energia
8 dated milestones of Acea Energia across 117 years, from founding to its latest funding, stage changes and deals.
- Founded Acea Energia is founded.
- IPO Lists on the stock exchange (IPO).
- Funding First funding round of $23K.
- Funding Latest funding round, Grant, of $266K.
- Acquisition Acquires Tecnoservizi.
- Acquisition Acquires Deco Group.
- Exit Acquired by Eni Plenitude.
- Acquisition Acquires Aquanexa.
Web traffic of Acea Energia
The website of Acea Energia (acea.it) receives about 1.1M visits a month and ranks #45,708 among all websites worldwide, #2,901 in Financial Planning and Management.
- Monthly visits1.1M
▼ 4.4% vs previous month
- Unique visitors483.1K
per month
- Global rank#45,708
among all websites
- Category rank#2,901
Finance · Financial Planning and Management
- Bounce rate35%
- Pages per visit3.5
- Average visit2 min 21 sec
- DevicesDesktop 35% Β· Mobile 65%
Websites whose visitors overlap most with Acea Energia. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
aceaenergia.it | aceaenergia.it | 100% | #197,895 | β | |
| a2a.it | 95% | 803.5K | #59,542 | View details | |
| amaroma.it | 94% | 573.5K | #55,758 | View details | |
pulsee.it | pulsee.it | 87% | #117,677 | β | |
poste.it | poste.it | 86% | #292 | β | |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
| β’β’β’β’β’β’β’β’β’β’ | β’β’β’β’β’β’.com | β’β’% | β’.β’M | #β’β’β’β’β’ | β |
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Related news about Acea Energia
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Frequently Asked Questions about Acea Energia
Acea Energia was founded in 1909 and raised its 1st funding round 108 years after it was founded.
Acea Energia is headquartered in Rome, Italy. It is registered at Rome, Lazio, Italy.
Stefano Antonio Donnarumma is the CEO of Acea Energia, as recorded in our data.
Acea Energia was founded in 1909 and is headquartered in Rome, Italy, within the energy sector. Electricity and gas supplies are provided to residential customers and businesses, including small and medium-sized enterprises. E-mobility solutions, such as charging infrastructure, are offered alongside related services. A loyalty program is maintained for customer benefits, while support encompasses technical assistance, billing details, and contract handling. Energy accounts are managed via a dedicated mobile application.
Acea Energia offers Electricity Supply and Gas Supply.
Acea Energia has made 3 acquisitions, including Aquanexa, Deco Group, and Tecnoservizi.
Acea Energia has 2 investors. Key investors include Eni Plenitude, and European Union.
Acea Energia operates through Acea Energia Spa.
Yes. Acea Energia was acquired by Eni Plenitude in June 2025.
The website of Acea Energia receives about 1.1 million visits a month and ranks #45,708 among all websites worldwide.

