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Acea

Italian utility company controlled by the Municipality of Rome, active in electricity, water, and other services.

Last updated August 31, 2026

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Overview

ACEA is an Italian multi-utility group headquartered in Rome. Its principal activities cover electricity, water services and environmental services, delivered across parts of Italy through operating subsidiaries, joint ventures and concession arrangements. The company traces its origins to Rome’s municipal electricity business in the early twentieth century and later expanded from a local power utility into a diversified infrastructure group. Its electricity activities include distribution and related energy services; its water operations cover water supply, wastewater treatment and associated infrastructure; and its environmental activities include waste treatment, resource recovery and related facilities. ACEA is listed on the Italian stock market, while the City of Rome has historically remained an important shareholder and governance participant. The exact geographic scope of individual activities varies according to concessions, subsidiaries and changes in the group’s portfolio.

History

ACEA originated in Rome’s municipal electricity business. Established in the early twentieth century, it initially provided electricity and related public services in the Rome area. As Italy’s utility sector evolved through market liberalisation and changes in infrastructure management, ACEA expanded beyond electricity into water and environmental services, managing activities through a group structure across different regions and utility segments. The company subsequently became a listed enterprise while retaining Rome as an important centre of its operations and governance. It has also participated in public-service operations in other parts of Italy through subsidiaries, partnerships and concession arrangements. Today, ACEA’s principal business portfolio consists of electricity, water and environmental services, with the precise operating footprint determined by its infrastructure holdings, local-service arrangements and corporate strategy.

  • 1909
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Products and positioning

  • Electricity distribution

    Through relevant infrastructure and operating entities, ACEA provides electricity distribution and related energy services, forming a core part of its traditional utility activities in regulated or concession-based regional markets.

  • Water services

    ACEA’s water activities cover water supply, wastewater collection and treatment, using utility infrastructure to serve households, businesses and public institutions.

  • Environmental services

    ACEA’s environmental activities include waste treatment, resource recovery and related facility operations, supporting urban environmental infrastructure and circular-economy services.

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