Acea Energia

What Acea Energia does

Acea Energia (legally Acea S.p.A.) is a publicly listed Italian multi-utility, headquartered in Rome and operating since 1909. It runs an integrated portfolio of network infrastructure and related services through dedicated subsidiaries: water management (a.Acqua), electricity distribution in Rome and Formello (Areti), gas distribution (a.Gas), waste treatment and recovery (a.Ambiente), engineering and laboratory services (a.Infrastructure), resilient infrastructure systems (a.Quantum), electricity production from hydro, thermal, and photovoltaic plants (a.Produzione), and energy sales (Acea Energy Management, divested to Plenitude/Eni in December 2025). The company serves approximately 10 million people with water services, distributes roughly 10 TWh of electricity annually, and manages around 1.6 million tonnes of waste per year, making it Italy's leading water operator by population served.

Acea generates revenue principally through regulated network tariffs administered by ARERA for water, electricity distribution, and gas distribution, supplemented by fees from waste treatment, district heating (A.cities and Acea Produzione), engineering services, and (until the December 2025 divestiture) competitive energy retail. Go-to-market is infrastructure-mediated rather than sales-led: services are delivered through owned physical networks under long-dated concessions, with supplementary digital self-service via the MyAcea portal, ADR conciliation procedures, and education programs (Acea Scuola). Cross-selling and value-added services (monumental fountains such as the Trejan/nasoni, artistic lighting of historical sites including Vatican Museums, and the Piano Mattei Congo water project) leverage the existing regulated footprint.

The company employs 5,001-10,000 staff, is listed on the Milan Stock Exchange (BIT:ACE) within the FTSE MIB index, and operates under a published Sustainability Plan 2024-2028 with ESG ratings and regulatory transparency. Its CEO is Giuseppe Gola. The 2025 Plenitude transaction, valued at up to EUR 587 million for the energy sales arm, narrows the group's competitive perimeter to regulated and quasi-regulated infrastructure while providing capital for reallocation toward regulated capex and selective international expansion.

Name

Acea Energia

Legal name

Acea S.p.A.

Website

https://acea.it

Company type

Private

Founded year

1909

Operating status

Operating

Headcount range

5,001–10,000 employees

Short description

Acea Energia (Acea S.p.A.) is a publicly listed Italian multi-utility operating water services for 10 million people, electricity distribution in Rome and Formello (~10 TWh annually), gas distribution, waste management (~1.6 million tonnes/year), and renewable energy production under ARERA-regulated concessions.

Ownership category

akta.pro rank

Product category

Multi-utility services

NAICS

Utilities (221), Electric Power Generation, Transmission and Distribution (2211), Electric Power Distribution (221122), Electric Power Generation (22111), Water Supply and Irrigation Systems (22131), Hydroelectric Power Generation (221111)

SIC

Electric, Gas & Sanitary Services (4900), Electric Services (4911), Water Supply (4941), Cogeneration Services & Small Power Producers (4991)

akta.pro primary industry

Investor-Owned Electric Distribution Utilities (IOUs) (EUADABAA)

akta.pro secondary industries

Renewable Energy Asset Management (Solar/Wind/Hydro/Geothermal) (EUAEAMAB), Utility-Scale Power Generation Asset Management (EUAEAMAA)

Keywords

• Water utility services
• Electricity distribution
• Gas distribution
• Waste management
• Energy production

Headquarters

HQ city

Rome

HQ country

Italy

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Infrastructure, Operations, Personnel, Supply Chain, Technology or R&D

Distribution channels4 records

Marketing channels5 records

Core offering

Acea Energia, as part of the Acea Group, provides integrated multi-utility services across Italy including water management, electricity distribution, gas distribution, waste treatment and recovery, and electricity production from renewable and conventional sources. The group serves approximately 10 million people with water services, distributes about 10 TWh of electricity annually through Areti in Rome and Formello, and manages around 1.6 million tonnes of waste per year. Energy sales operations (Acea Energia) were subject to acquisition by Plenitude (Eni) in December 2025 for up to EUR 587 million.

Product overview

Acea is an Italian multi-utility company organized as a platform of specialized subsidiaries operating across water management, electricity distribution, waste management, gas distribution, and energy production/sales. The portfolio includes core operations (Acea), water services (a.Acqua), electricity distribution (Areti), waste management (a.Ambiente), engineering (a.Infrastructure), technology systems (a.Quantum), energy production (a.Produzione), gas distribution (a.Gas), and energy sales (Acea Energy Management). The company serves approximately 10 million people in water services, distributes about 10 TWh of electricity annually, and manages 1.6 million tonnes of waste per year. Acea Energia, which was being acquired by Eni's Plenitude for up to EUR587 million, represents the group's energy sales operations. Note: Based on the acquisition news, Acea Energia was subject to acquisition by Plenitude, which may affect the current corporate structure.

Differentiator

Problem solved

Functional benefit

Brands

• a.Acqua: Integrated water service management in Italy and abroad
• Areti
• a.Ambiente
• a.Infrastructure
• a.Quantum
• a.Produzione
• a.Gas
• Acea Energy Management

Products and services

• Integrated Water Service Management (a.Acqua) Integrated water service management including water treatment and distribution in Italy and abroad; serves residential households, businesses, and municipalities as Italy's leading water operator.
• Electricity Distribution (Areti) Electricity distribution services operating the electricity grid in Rome and Formello; distributes approximately 10 TWh annually to residential, business, and enterprise customers.
• Waste Treatment and Recovery (a.Ambiente) Waste treatment and recovery services with a circular economy approach; manages approximately 1.6 million tonnes of waste per year through treatment and recovery facilities for municipal and industrial clients.
• Gas Distribution (a.Gas) Gas distribution sector consolidation and growth services; manages gas distribution infrastructure and expansion of Acea's presence in gas distribution across Italy.
• Electricity Production (a.Produzione) Electricity production operations with sustainability focus; operates hydroelectric, thermoelectric, and photovoltaic power plants producing electricity for the grid.
• District Heating (Teleriscaldamento) District heating services providing centralized heating through combined heat and power systems, operated through Acea Produzione and A.cities for residential and commercial buildings.
• Energy Sales (Acea Energy Management / Acea Energia) Energy sales and management services for commercialization of electricity and energy products to end consumers including households, businesses, and enterprises across Italy.
• Artistic Lighting (Illuminazione Artistica) Artistic lighting services for monumental and public spaces, including historical and cultural sites such as the Trajan Market and Vatican Museums; serves municipalities and cultural institutions.
• Engineering and Laboratory Services (a.Infrastructure) Engineering services, laboratory analysis, construction, and research for utility infrastructure projects; serves internal operations and external infrastructure clients.

Quantifiable outcome

• Leading Italian water operator serving 10 million people
• +2 more outcomes

Segments4 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Plenitude (Eni)majorOthers · 3 December 2025In December 2025, Plenitude (Eni's energy transition subsidiary) acquired Acea Energia (Acea Group's energy sales company) for up to EUR 587 million. This transaction represents a significant acquisition of Acea's energy sales operations by Eni's subsidiary, effectively transferring Acea Energia from Acea Group to the Eni/Plenitude portfolio.

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Hera: Hera is an Italian multi-utility providing water, gas, electricity, and waste services primarily in Emilia-Romagna, with a comparable integrated business model to Acea.
• A2A: A2A is a major Italian multi-utility headquartered in Milan, operating in electricity, gas, water, and waste with similar regulated franchises and end-customer services as Acea.
• Suez: Suez is a major international water and waste services company, comparable to Acea's integrated water and waste management businesses and relevant as a global benchmark for utility operations.
• Italgas: Italgas is Italy's leading gas distribution operator, directly comparable to Acea's a.Gas subsidiary and competing in the same regulated gas distribution franchise market.
• Veolia: Veolia is a global leader in water management and waste services, directly comparable to Acea's a.Acqua water utility and a.Ambiente waste management operations across municipal and industrial customers.
• Iren: Iren is one of Italy's largest multi-utility companies, operating in water, electricity, gas, and waste services across Northern and Central Italy, directly comparable to Acea's integrated multi-utility model and Italian regional focus.
• Plenitude (Eni): Plenitude is Eni's energy transition subsidiary, which acquired Acea Energia for EUR 587M in December 2025, making it both a peer in energy retail and a counterparty in the recent transaction reshaping Acea's business mix.

Broad incumbents

• Engie: Engie is a global multi-utility operating in electricity, gas, water, and energy services across Europe, providing a broader incumbent benchmark to Acea's multi-utility model.
• Snam: Snam is Italy's leading natural gas infrastructure operator (transmission, storage, regasification), serving as a broader incumbent in the gas value chain that Acea's a.Gas distribution business feeds into.
• Enel: Enel is Italy's dominant electric utility and one of the largest in Europe, with generation, distribution, and retail operations that overlap with Acea's electricity distribution and renewable production businesses at a much larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xtwitter.com/aceagruppo
• YouTubeyoutube.com/channel/UCpQcqxYici8AXu6-JJJ1-Ow/featured
• Facebookfacebook.com/AceaGruppo
• LinkedInlinkedin.com/company/acea-spa
• Instagraminstagram.com/aceagruppo/?hl=it

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries8 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Acea Energia