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Sentry meters, to detect water leaks in the network

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Sentry meters, to detect water leaks in the network

The pilot project involving the installation of Kamstrup meters was carried out in Conselice, near Ravenna, and yielded excellent results. The tests now continue in Modena, covering a larger area

The Flow IQ® 2200 manufactured by Kamstrup, a well-established European supplier, is a sentry meter that can “listen” to the network thanks to a built-in hydrophone, i.e. a sensor designed to capture sounds and other acoustic signals underwater, which in this case is able to detect the noise associated with any water leaks.

By placing the meters at strategic points in the network, about 50 metres apart, it is possible to create a grid within which continuous monitoring can be carried out.

The meters transmit to a digital platform (called the LeakDetector) the minimum value of noise detected in 24 hours: if this is high, the meters will be highlighted with different alarm levels and analysis of the data will make it possible to identify whether it is indeed a water leak.
If a leak or break code is activated for a meter, the customer will be notified promptly by our technicians.

The meter testing phase started in May 2022 with the installation of more than 900 meters in the municipality of Conselice, where continuous monitoring of the water network began in September 2022 with real-time analysis of the leaks present, thereby allowing targeted intervention for repairs.
It is planned to continue testing over a wider area, starting with Modena, where 1,300 meters are being installed.

 

The Conselice pilot project: benefits noted


Reliability

The meters are extremely reliable, the leak and break indications that were verified were correct and no false positives were found.

Promptness

We intervened before customers called us: many leaks were repaired the day after they appeared, whereas previously some leaks would only have been detected following issue of a bill with an unusually high consumption figure.

Permanent monitoring

Compared to the installation of standard meters, the main difference is that with Flow IQ® 2200s, a permanent water leak monitoring system is put in place. Kamstrup meters are also smart meters and automatically send data to the portal.

Rapid localisation

If the meters are correctly positioned, field localisation is quick because the area to be investigated is confined.

Integration

The system interfaces seamlessly with other company monitoring tools.

Affordability

By correctly establishing the number of meters required, good network coverage is achieved without an unsustainable increase in costs.


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18/08/2021

From Padua to Udine: a valuable teamwork experience

From Padua to Udine: a valuable teamwork experience borgato_marco_thumbnail.png 2020 was a year focused on the need for resilience and skilfully-managed changes. This was put into practice by 13 colleagues of AcegasApsAmga who offered their own skills during the summer to colleagues in one of the Group’s companies, ASE, which found itself dealing with an unexpected increase in workload due to the Covid health crisis. This willing team included Marco Borgato, who transferred to Udine for two weeks to take part. Marco, what do you do in AcegasApsAmga? For about 4 years now, I’ve been working in the Water Department in Padua, where I deal with the electrical side of water systems like pumps, transformers, cathodic protection. Often, people have no idea how much electricity is involved in the water system. A multifaceted skill set, then: with the Covid crisis, were you asked to collaborate with ASE? With the end of lockdown, ASE experienced an unexpected increase in workload in a very short space of time, such as the maintenance of electrical systems in schools which needed to be ready quickly for the high school leaving exams. So I was asked to join a team of colleagues in Udine for a few weeks. What did you do during your time in ASE? ASE manages electrical systems in many public buildings in Udine. So, I was able to put my electro-technical skills into practice in various types of systems, such as checking the circuit breakers in a school. Would you recommend this experience to your colleagues if the need were to arise again? Absolutely, yes! It allowed me to meet colleagues from other locations that I would not have met otherwise. There was an instant positive work atmosphere and we became a close team really quickly, all of us trusting each other. no
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18/08/2021

The labyrinth hunter

The labyrinth hunter selli_ettore_thumbnail.png A lifetime of interests embodied in a book. Ettore Selli, 32 year old engineer at Herambiente in Bologna, is the author of “Labirinti vegetali. La guida completa alle architetture verdi dei cinque continenti” (”Garden Labyrinths. A complete guide to green architecture in five continents”), which is enjoying great success on radio and TV programmes, and in the press. The book is the result of his passion for Greek myths, adventure and the environment, the latter also leading to his job where he deals with tenders for transport and disposal of special waste in Italy and Europe. “For an environmental engineer like me, working in Herambiente is like coming home. Dealing with waste means working with the environment, it is a way to contribute personally every day to the earth’s sustainability.” His interest in Greek mythology dates back to secondary school: “I attended a classical lyceum, so I grew up with the legends of Daedalus and Icarus.” His adventurous spirit is also rooted in his childhood: “I was a scout for 16 years, I love exploring and the outside life, mountains and trekking. These are passions passed on to me from my family; my father is in fact a geology teacher.” This resulted in his desire to explore garden labyrinths around the world, gardens of all shapes and sizes that unite nature with mystery. In his illustrated book, 420 examples of these labyrinths from all parts of the world are provided, in over 60 countries: from Italy to Argentina, from New Zealand to South Africa. He has visited many of these himself: “I love travelling and, on each of my trips, wherever possible, I always include a visit to a labyrinth”. For more remote examples, he relies on geographical maps and satellite images. He has collected images and information to put together a guide which offers photos, descriptions, historic and particularly botanical background, anecdotes and legends, and geographic coordinates. In the office, procedures have changed during the pandemic, but not the motivation. “I never get tired of my job. Covid has not impeded our work, we have continued to work a lot and hard. Also because the new online working methods have optimised our working times”. What Ettore misses is the normal working relationship with colleagues. “In the office we’re now divided into two teams to avoid the possibility of any infection spreading to everyone. This means that half of the office never meets the other half. Despite this, we have never lost our friendly atmosphere and spirit of collaboration”. no

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A source of clean energy from sewers and wet waste: Biomethane

An investment of Euro 37 million. A plant that disposes of 100 thousand tonnes of organic waste produced by separate waste collection and another 35 thousand tonnes coming from green waste and pruning material. 

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Biodiesel has been developed also from used food oil

Fuel may also be extracted from vegetable oils. Used domestic vegetable oil (such as frying oil) which is recovered by multiutility services via roadside containers and drop-off points, is transformed into biodiesel, which in turn is used to fuel the vehicles used for urban waste collection.

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Bus fuel from trash: Hera's pilot project with "START"

To obtain clean energy to power Ravenna's buses by decomposing waste in landfills. 

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Data, the key to a smart future

From city to "smart city" thanks to data: with our detection systems we can monitor traffic trends, air quality and consumption of public parks. 

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Dialogue with the urban context for new energy: the Borgo Panigale cogeneration plant

District heating is already in itself a "sustainable" and environment-friendly solution, because it can guarantee better performance than traditional domestic boilers. In addition, the plant located in Borgo Panigale ensures lower emissions into the environment, more reliability and greater availability of energy. The system can heat the equivalent of 8,000 residential units. Currently, the turbines can produce 35,000 MWh of energy per year, almost twice as much as in the past.

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Ferrara, the city of "green" heat

What's Ferrara's green secret? It's underground, where a geothermal basin feeds its district heating system. The result? 87% of the thermal energy distributed in the city is "clean" and we avoid about 22 thousand tonnes of CO 2 emissions.

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Hera and General Electric together for energy recovery

We have installed a turbo expander at the R&M stations of Ducati's factory in Bologna. The goal is to recover electricity from the decompression process of methane gas. 

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Hergo Reti: the smart approach to emergency service and maintenance

More than 130 thousand emergency response reports involving 1,500 employees in 2019. More than 50 thousand emergency response operations in the first six months of 2020, in a local area that includes Emilia-Romagna, Triveneto and Marche.

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Hergoambiente, waste bin speaking

Our 300,000 waste bins are talking. How? Thanks to a "tag" that always tells us where they are, how they are working and if they have been emptied. Find out more about the projects of HergoAmbiente, Hera Group's "smart" system to support waste management services.

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Innovation takes flight and offers a variety of perspectives

Hera Group's drones are alternative and supplemental investigation tools to provide quality services to the areas we serve.

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Interactive financial statements and sustainability reports
The consolidated economic results at 31 December 2023 and the 2023 sustainability report were approved by the Board of Directors of the Hera Group on 26 March 2024

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