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The roots of Herambiente's expertise can be traced back around 100 years to the municipally owned companies of Emilia-Romagna tasked with waste management in the first half of the twentieth century, and to the subsequent construction of urban waste treatment plants.

Herambiente was created on 1 July 2009 out of the Environment Division of Hera Group, Ecologia Ambiente S.r.l. and Recupera S.r.l., inheriting their expertise and plants.
The incorporation of local companies into Hera enabled it to use and extend their plant infrastructure, expanding its presence in C&I waste management thanks to enhanced managerial skills, available financial resources and improved expertise, maintaining strong roots in local communities within the region. It constituted further proof of the local authorities' desire to remain at the forefront of the waste sector through brave, innovative policies that have enabled the region to be one of the few in Italy that can be certain of being protected against the risk of environmental emergencies over the coming decades.
This interest materialized in July 2010 through the entry into the Herambiente's share capital of leading institutional investors with a long-term view. The Herambiente Group is now 75% controlled by the Hera Group and 25% by EWHL European Waste Holdings Limited, a company incorporated under English law, 50% owned by the British Infrastructure Fund and 3i Managed Infrastructure Acquisitions LP and 50% by the Dutch Pension Fund Stichting Pensioenfonds ABP.

Herambiente, after 4 years from its birth, starts its expansion in the territories of Padua and Trieste with the acquisition of AcegasAps (2013) by the Hera Group. In this way Herambiente acquires the waste to energy plants of Padua and Trieste and the storage plant of Padua.

In 2014 the territorial expansion in northern Italy continued with the acquisition of the plant owned by Ecoenergy Srl, a company specialised in the production of Solid Recovered Fuel (SRF), this confirming the Group's leading position in the market for the recovery of material and energy from waste, completing the value chain downstream of the usual treatment process. The activity takes place in Castiglione delle Stiviere, in the province of Mantua and consists in the mechanical treatment of C&I non-hazardous waste, transformed into fuel destined to thermoelectric plants, cement kilns and waste-to-energy plants, thus replacing fossil fuels.

Starting from 24th March 2014, Herambiente extends its commercial strategy to companies through the foundation of Herambiente Servizi Industriali, the commercial company entirely controlled by the Group that deals with the management of industrial waste and related environmental services, merging the experience gained over the years within the Herambiente and AcegasAps Groups.

In 2015, Herambiente began acquiring Waste Recycling, a Tuscan company that has been collecting, storing, treating, disposing and sorting hazardous and non-hazardous waste, both solid and liquid, for over 20 years, through its two production sites in via Malpasso and via Usciana in Castelfranco di Sotto (PI), and its wholly-owned subsidiaries Neweco Srl and Rew Trasporti Srl.

In 2016, Herambiente completed the acquisition of some of Geo Nova's environmental business units, which has been active for more than 20 years in the treatment, recovery and disposal of urban and industrial waste. In particular, Herambiente took over the storage plant for hazardous and non-hazardous waste at San Vito al Tagliamento (PN) and the active landfills for non-hazardous waste at Loria (TV) and Sommacampagna (VR). Thanks to this operation, the Group further expands its corporate perimeter in the North East following the logic of development and commercial strengthening to extend its plant equipment with a more complete offer for customers in Veneto and Friuli Venezia Giulia.

In 2017 Herambiente began the process of acquiring Aliplast, a leading national company in the collection and recycling of industrial plastic waste and in the recycling and production of regenerated polymers, extending its corporate and territorial perimeter in Italy and abroad in Spain, France and Poland. This operation demonstrates Herambiente's willingness to give a circular economic imprint to its business, with a view to environmental sustainability.

The acquisition of the business unit of the Pisan company Teseco by Waste Recycling, a leading company in the treatment and recovery of industrial waste, further expands Herambiente's commercial offer and plants, strengthening its leadership position in the treatment of industrial waste in Italy. This operation makes it possible, on the one hand, to preserve and maintain an important segment of the Pisan production reality and, on the other hand, to extend Herambiente's plant equipment and the services offered to its customers.

In May 2019, the Hera Group was awarded the tender for the acquisition of 100% of the shares of CO.SE.A. Ambiente S.p.A. (a company that manages the urban and similar waste service owned by 20 municipalities in the Tuscan-Emilian Apennines) with the simultaneous assignment of the ten-year concession to Herambiente SpA of the CO.SE.A. Consorzio landfill at Ca' dei Ladri, in the municipality of Gaggio Montano, which also includes assets and resources functional to its operation.

Starting from 1st July 2019, Waste Recycling, a subsidiary of Herambiente, was merged by incorporation with Herambiente Servizi Industriali (Hasi), in line with the Group's commercial strategy of expanding its extra-territorial presence.
Herambiente is currently the biggest Italian operator in waste disposal and recovery by number of plants and volume of waste treated, and is an industry benchmark throughout Europe.

On 17 July 2019 Herambiente acquired 100% of Pistoia Ambiente S.r.l., which manages the Serravalle Pistoiese landfill and the associated liquid waste treatment plant. More specifically, Herambiente has further consolidated its own set of plants dedicated to companies, which is unique nationwide. The Serravalle landfill and the liquid treatment plant mainly treat waste coming from industrial contexts, guaranteeing new opportunities for marketing and technical synergies with other plants and services managed by the Group. In the same year HASI won the concession for the management of the Pozzilli wastewater treatment plant.

In 2020 HEA was founded, a joint venture between Eni Rewind and HASI. The purpose is sharing the technical-managerial know-how of the two companies in a multifunctional platform for the pre-treatment and treatment of special waste in the industrial area of Ravenna. The authorization process started in 2021.

Herambiente invests in the remediation business through the foundation of Tremonti in 2021, specialized in soil and groundwater remediation services. Tremonti combines the skills of 4 leading operators in the sector: Ambienthesis, Herambiente, Sersys Ambiente and Edison. Tremonti will carry out its initial activities in the Tre Monti area of the Bussi sul Tirino (PE) site of national interest (SNI) and will gradually extend its activities to the Piano d’Orta area and the Bussi industrial plant, as soon as the legal proceedings still pending allow it to do so.

Herambiente and INALCA (Cremonini Group), a leader in the production of meat and the distribution of food products, have signed a partnership agreement to set up a company called BIORG, with the aim of producing biomethane and compost from the separate collection of organic waste and agro-food waste (including INALCA's meat production process). A plant owned by Herambiente in the Modena area, in Spilamberto, will be restructured to be operational by 2022, with the aim of reaching the production of 3.7 million cubic meters of biomethane per year.

In 2021 the growth of HASI continues in the geographical perimeter of the Group with the acquisitions of three companies in Veneto, Friuli and Marche:

  • 80% of Vallortigara Group, which provides services to industries, public administrations and citizens and manages a multifunctional platform for special waste treatment in Torrebelvicino (Province of Vicenza in the North-Eastern part of Italy);
  • 70% of Recycla, a Friuli-based company that manages three platforms for solid and liquid industrial waste, whose central offices are in Maniago (PN);
  • 31% of SEA, a company from the Marche region that owns a multifunctional platform for the treatment of hazardous and non-hazardous industrial waste, both solid and liquid.

Overall, through the company Hasi (Herambiente Servizi Industriali), Herambiente now has 18 multi-purpose sites dedicated to treating waste produced by businesses, with 1.2 million tonnes of industrial waste treated each year.

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