The search for water leaks is now more efficient, thanks to cosmic rays
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Web Content Article · written-by Lorenzo Senaldi on-date Jul 4, 2024 11:28 AM
(drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999)
Comunicati stampa: Hera Spa Other press releases Shareholders’ meeting -
Web Content Article · written-by Mario Egidio on-date May 26, 2024 12:35 PM
Comunicati stampa: Sustainability Research and Development Financial Results Products/Services M&A Shareholders’ meeting -
Web Content Article · written-by LUCIA ALGISI on-date May 15, 2024 11:00 AM
2024-05-15 Kindly note that as of today the minutes of the Shareholders Meeting held on 30 April 2024, as well as the articles of association containing the amendments approved by the...
Comunicati stampa: Shareholders’ meeting Price sensitive Hera Spa -
Web Content Article · written-by ANDREA GUERCI on-date Apr 29, 2024 6:29 PM
The Group continues along its path of uninterrupted growth, closing 2023 with record performance in the main operating and financial indicators, thus constantly creating value for its stakeholders.
Comunicati stampa: Shareholders’ meeting Hera Spa Price sensitive SOTTOSCRIZIONI ALERT: Price sensitive press release -
Web Content Article · written-by LUCIA ALGISI on-date Mar 27, 2024 10:55 AM
2024-03-27 Kindly note that the following documentation, pertaining to the Shareholders Meeting convened for 30 April 2024, is available to the public at the Company headquarters, on the...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by LUCIA ALGISI on-date Mar 4, 2024 4:09 PM
We hereby inform you that on March 3, 2024, the Vice Chaiman of the Board of Directors, Mr. Gabriele Giacobazzi, passed away.
Comunicati stampa: Shareholders’ meeting Hera Spa Other press releases -
Web Content Article · written-by LUCIA ALGISI on-date Jan 19, 2024 2:43 PM
2024-01-22 Corporate events (*) In accordance with art. 2.6.2 (Required Reporting) of the “Rules of the markets organised and managed by Borsa Italiana S.p.A.", please find below our annual...
Comunicati stampa: Shareholders’ meeting Hera Spa Other press releases Price sensitive -
Web Content Article · written-by LUCIA ALGISI on-date Dec 4, 2023 11:33 AM
2023-12-04 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 4 December 2023 - The...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by Palvi Andrea Tonziello on-date Oct 2, 2023 2:20 PM
2023-10-03 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Bologna, 3 October 2023 - The following table contains the data concerning the shares...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by Davide Donnarumma on-date Sep 26, 2023 12:42 PM
2023-09-27 Hera S.p.A. hereby announces that, following the resignation, effective from 19 June 2023, of the director Lorenzo Minganti, the Company’s Board of Directors, which met today, has...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by Palvi Andrea Tonziello on-date Aug 2, 2023 11:46 AM
2023-08-02 Bologna, 2 August 2023 – The following table contains the data concerning the shares outstanding and the number of voting rights representing the share capital as at 31 July 2023. ...
Comunicati stampa: Hera Spa Shareholders’ meeting -
Web Content Article · written-by Palvi Andrea Tonziello on-date May 15, 2023 11:00 AM
2023-05-15 Kindly note that as of today the minutes of the Shareholders Meeting held on 27 April 2023 are available at company headquarters, on the Hera Group’s website...
Comunicati stampa: Hera Spa Shareholders’ meeting Price sensitive -
Web Content Article · written-by Davide Donnarumma on-date May 10, 2023 3:30 PM
2023-05-10 The Board of Directors of Hera S.p.A. met today and assessed the independence of all members, appointed by the Shareholders Meeting held on 27 April 2023. Based on the declarations made...
Comunicati stampa: Shareholders’ meeting Price sensitive Hera Spa -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 27, 2023 10:01 AM
2023-04-27 The Group continues along its path of growth, creating value shareholders and the local areas served. Cristian Fabbri appointed Executive Chairman of the Board of Directors and Orazio...
Comunicati stampa: Hera Spa Shareholders’ meeting Price sensitive -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 5, 2023 12:59 PM
2023-04-06 Kindly note that the following documentation, pertaining to the Shareholders Meeting convened for 27 April 2023, is available to the public at the Company headquarters, on the...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by Davide Donnarumma on-date Apr 5, 2023 12:55 PM
2023-04-06 The minority lists containing candidates for the appointment of the Board of Directors and the Board of Statutory Auditors, accompanied by the respective documents required by current...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 4, 2023 12:54 PM
2023-04-06 Bologna, 6 April 2023 – The following table contains the data concerning the shares outstanding and the number of voting rights representing the share capital as at 31 March 2023. ...
Comunicati stampa: Hera Spa Shareholders’ meeting -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 4, 2023 11:34 AM
2023-04-05 Kindly note that the following documents, approved by the Hera S.p.A. Board of Directors, have been made available to the public at company headquarters, on the website...
Comunicati stampa: Hera Spa Shareholders’ meeting Price sensitive Financial Results -
Web Content Article · written-by Palvi Andrea Tonziello on-date Mar 7, 2023 12:27 PM
2023-03-08 The majority lists of candidates for the appointment of the Board of Directors and the Board of Statutory Auditors, accompanied by the relevant documentation required by the regulations...
Comunicati stampa: Hera Spa Shareholders’ meeting -
Web Content Article · written-by Palvi Andrea Tonziello on-date Feb 21, 2023 12:52 PM
2023-02-23 Kindly note that the following documentation, pertaining to the Shareholders Meeting convened for 27 April 2023, is available to the public at the Company headquarters, on the...
Comunicati stampa: Hera Spa Shareholders’ meeting -
Web Content Article · written-by Palvi Andrea Tonziello on-date Feb 10, 2023 4:52 PM
2023-02-10 Please note that the document entitled “Guidance from the Board of Directors of Hera S.p.A. to shareholders on the composition of the Board of Directors” was published today and is...
Comunicati stampa: Hera Spa Shareholders’ meeting -
Web Content Article on-date May 12, 2022 1:48 PM
2022-05-12 Kindly note that as of today the minutes of the Shareholders Meeting held on 28 April 2022, as well as the articles of association containing the amendments approved by the...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 28, 2022 9:48 AM
2022-04-28 On the twentieth anniversary of its foundation, the Group continues along the path of growth that has distinguished it since its establishment, confirming its commitment to sustainable...
Comunicati stampa: Shareholders’ meeting Hera Spa Price sensitive -
Web Content Article on-date Apr 7, 2022 11:07 AM
2022-04-07 Bologna, 7 April 2022 – The following table contains the data concerning the shares outstanding and the number of voting rights representing the share capital as at 31 March 2022. ...
Comunicati stampa: Shareholders’ meeting Hera Spa -
Web Content Article · written-by Palvi Andrea Tonziello on-date Apr 6, 2022 9:59 AM
2022-04-06 Kindly note that the following documents, approved by the Hera S.p.A. Board of Directors, have been made available to the public at company headquarters, on the website...
Comunicati stampa: Shareholders’ meeting Financial Results Hera Spa Price sensitive -
Web Content Article on-date Mar 4, 2022 10:39 AM
2022-03-04 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 4 March 2022 - The...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jan 4, 2022 10:06 AM
2022-01-04 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 4 January 2022 - The...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Oct 6, 2021 9:06 AM
(drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999)
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Sep 3, 2021 9:46 AM
(drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999)
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Aug 4, 2021 9:51 AM
2021-08-04 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 4 August 2021 - The...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jul 5, 2021 10:25 AM
2021-07-05 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 5 July 2021 - The following...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jun 3, 2021 9:57 AM
2021-06-04 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 4 June 2021 - The following...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date May 11, 2021 5:43 PM
2021-05-11 Sede Hera Following the press release dated 4 May 2021, Hera S.p.A. (the “Company”) announces the final results of the partial tender offer (the “Tender Offer”) addressed to the holders...
Comunicati stampa: Price sensitive Shareholders’ meeting Hera Spa -
Web Content Article on-date May 7, 2021 4:31 PM
2021-05-10 Sede Hera On Friday 7 May, Standard & Poor’s upgraded Hera’s rating to BBB+ with a stable outlook, in recognition of the path of growth achieved over the years and the Group's results...
Comunicati stampa: Price sensitive Shareholders’ meeting Hera Spa -
Web Content Article on-date May 7, 2021 9:54 AM
2021-05-07 Sede Hera Kindly note that as of today the minutes of the Shareholders Meeting held on 28 April 2021, as well as the articles of association containing the amendments approved by the...
Comunicati stampa: Price sensitive Shareholders’ meeting Hera Spa -
Web Content Article on-date Apr 28, 2021 10:50 AM
2021-04-28 Solid fundamentals and growth in results, thanks to good operating, financial and fiscal management. Focus on creating shared value for stakeholders and local areas confirmed, reinforced...
Comunicati stampa: Price sensitive Shareholders’ meeting Hera Spa -
Web Content Article on-date Apr 6, 2021 7:55 AM
2021-04-06 Kindly note that the following documents, approved by the Hera S.p.A. Board of Directors, have been made available to the public at company headquarters, on the website...
Comunicati stampa: Price sensitive Shareholders’ meeting -
Web Content Article on-date Mar 26, 2021 7:28 AM
2021-03-26 Kindly note that the following documentation, pertaining to the Shareholders Meeting convened for 28 April 2021, is available to the public at the Company headquarters, on the...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Nov 4, 2020 11:28 AM
2020-11-04 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Bologna, 4 November 2020 - The following table contains the data concerning the shares...
Comunicati stampa: Price sensitive Shareholders’ meeting -
Web Content Article on-date Oct 28, 2020 11:44 AM
2020-10-05 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Bologna, 05 October 2020 - The following table contains the data concerning the shares...
Comunicati stampa: Price sensitive Shareholders’ meeting -
Web Content Article on-date Sep 7, 2020 9:46 AM
2020-09-03 Bologna, 03 September 2020 - The following table contains the data concerning the shares outstanding and the number of voting rights representing the share capital as at 31 August 2020....
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Sep 3, 2020 2:34 PM
2020-08-05 Bologna, 05 August 2020 - The following table contains the data concerning the shares outstanding and the number of voting rights representing the share capital as at 31 July 2020. ...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jul 15, 2020 12:28 PM
2020-07-15 Integrated Governance Index 2020 - Top10 For the third consecutive year, the Group ranked first in the inquiry on integrating ESG factors within corporate finance. After pioneering this...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jul 6, 2020 2:55 PM
2020-07-06 After being included in the FTSE MIB in March 2019, Hera stock is now listed on this important series of ethical indexes created by FTSE Russell to encourage investment in companies that...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jul 2, 2020 5:41 PM
2020-07-02 Communication of the overall amount of voting rights Bologna, 02 July 2020 - The following table contains the data concerning the shares outstanding and the number of voting rights...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date May 8, 2020 10:48 AM
2020-05-08 Kindly note that as of today the minutes of the Shareholders Meeting held on 29 April 2020, as well as the articles of association containing the amendments approved by the...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Apr 29, 2020 4:22 PM
2020-04-29 The Group continues along its path of growth, creating value for shareholders and local areas. Continuity in governance, with the new Board of Directors confirming Tomaso Tommasi di...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Apr 8, 2020 12:26 PM
2020-04-08 riunione.1501227958.jpg Publication of documents related to the AGM of 27 April 2017 The lists containing candidates for the appointment of the Board of Directors and the board of...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Apr 7, 2020 7:23 AM
2020-04-07 Publication of the draft Separate and consolidated financial statements at 31/12/2019 Kindly note that the following documents, approved by the Hera S.p.A. Board of Directors, have been...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Apr 2, 2020 4:19 PM
2020-04-03 With reference to the Extraordinary and Ordinary Shareholders' Meeting of Hera S.p.A., convened at the registered office in Bologna, Viale C. Berti Pichat no. 2/4, for the day of 29...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Mar 17, 2020 8:27 AM
2020-03-17 Kindly note that the following documentation, pertaining to the Shareholders Meeting convened for 29 April 2020, is available to the public at the Company headquarters, on the...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jan 31, 2020 8:47 AM
2020-01-31 Hera acquires 2.5% of Ascopiave's share capital from Amber Hera acquires 2.5% of Ascopiave's share capital from Amber. The shareholding purchase operation, which arose from a market...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jan 30, 2020 1:11 PM
2020-01-30 Tomaso Tommasi di Vignano - Hera's Executive Chairman The Group has been certified for the eleventh consecutive year, rewarding a strategic management that focuses on people and gets...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jan 24, 2020 4:11 PM
2020-01-24 The multi-utility has now become part of this index, which measures gender equality and the promotion of diversity and inclusion, examining 325 listed companies, 10 of which Italian, in...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jan 21, 2020 10:24 AM
2020-01-21 Calendar of events CALENDAR OF CORPORATE EVENTS (*) In accordance with art. 2.6.2 (Required Reporting) of the "Rules of the markets organised and managed by Borsa Italiana S.p.A.",...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jan 10, 2020 10:35 AM
2020-01-10 In light of the positive preliminary results for 2019, showing higher growth than expected in the previous Plan, and the M&A transactions carried out, the Group has presented its new...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jan 10, 2020 10:35 AM
2020-01-10 In light of the positive preliminary results for 2019, showing higher growth than expected in the previous Plan, and the M&A transactions carried out, the Group has presented its new...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jan 3, 2020 1:54 PM
2020-01-03 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 3 January 2020 - The...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Dec 19, 2019 6:08 PM
2019-12-19 Gruppo Hera e Ascopiave The transaction between the two companies, finalised today, marks the birth, through EstEnergy, of the largest energy operator in North-Eastern Italy, whose BoD...
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Web Content Article on-date Dec 3, 2019 3:55 PM
2019-12-03 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 3 December 2019 - The...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Oct 3, 2019 12:30 PM
2019-10-03 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 3 October 2019 - The...
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Web Content Article on-date Sep 26, 2019 6:54 PM
2019-09-26 Announcement of sale of maximum of 14,426,407 ordinary shares of Hera S.p.A. Press release issued upon request and on behalf of n. 8 Public Shareholders of Hera S.p.A. ANNOUNCEMENT OF...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Sep 26, 2019 9:25 PM
2019-09-26 Conclusion sale of ordinary shares of Hera S.p.A. Press release issued upon request and on behalf of n. 8 Public Shareholders of Hera S.p.A. CONCLUSION SALE OF ORDINARY SHARES OF HERA...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Sep 12, 2019 9:48 AM
2019-09-16 logo_diversity_inclusion_2019_350x.1568272576.png This index, conceived to orient investors interested in companies committed to promoting diversity, inclusion and people development,...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Aug 1, 2019 2:09 PM
2019-08-01 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 1 August 2019 - The...
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Web Content Article on-date Jul 5, 2019 5:26 PM
2019-07-05 Repurchase and cancellation of certain notes Following the press releases dated 19 June 2019 and 2 July 2019, notice is hereby given that as at the date hereof Hera S.p.A. (the...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jul 5, 2019 3:17 PM
2019-07-05 Borsa Italiana welcomes Hera S.p.A.'s new bond to the green & social segment of ExtraMOT PRO New Hera S.p.A. 500 million euro green bond listed on the ExtraMOT PRO segment This green...
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Web Content Article on-date Jul 3, 2019 3:47 PM
2019-07-03 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Communication of the overall amount of voting rights Bologna, 3 July 2019 - The following...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jun 10, 2019 6:18 PM
2019-06-10 TOP10_4_Hera_300.1560183835.png The Hera Group ranks fourth in the 2019 edition of the index that measures the integration of ESG factors within the strategies of Italy's main companies,...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Jun 5, 2019 3:48 PM
2019-06-05 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Bologna, 5 June 2019 - The following table contains the data concerning the shares...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date May 10, 2019 3:39 PM
2019-05-10 Kindly note that as of today the minutes of the Shareholders Meeting held on 30 April 2019 are available at company headquarters, on the Hera Group's website (www.gruppohera.it), in the...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date May 7, 2019 10:45 AM
2019-05-07 (drafted pursuant to article 85-bis, paragraph 4-bis, of Consob Regulation 11971 / 14 May 1999) Bologna, 7 May 2019 - The following table contains the data concerning the shares...
Comunicati stampa: Shareholders’ meeting Price sensitive -
Web Content Article on-date Apr 30, 2019 1:41 PM
2019-04-30 HERA_assemblea_azionisti.1556626141.jpg The multi-utility, included in the FTSE MIB as of 18 March 2019, improved all its main operating-financial and sustainability indicators, with...
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Web Content Article on-date Apr 18, 2019 2:49 PM
2019-04-18 Bologna, 18 April 2019 - The following table contains the data concerning the shares outstanding and the number of voting rights representing the share capital at 17 April 2019. ...
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Hera Shareholders Meeting: 2017 financial statements and dividends rising to 9.5 cent/share approved
Web Content Article on-date Apr 24, 2018 4:03 PM
2018-04-26 Improvement seen in all operating-financial and sustainability indicators, with results exceeding expectations and a renewed commitment to creating shared value. Appointment of...
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Web Content Article on-date Apr 27, 2017 3:47 PM
2017-04-27 video_azionisti_870x320_2017_eng_1499701045.1533221082.jpg Number of directors passes from 14 to 15, with an additional member representing minority shareholders. Increased presence of...
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Web Content Article on-date Apr 5, 2017 6:00 PM
2017-04-06 riunione.1501227958.jpg Publication of documents related to the AGM of 27 April 2017 Hera informs that documents listed below, related to the 27 April 2017 AGM, are available at the...
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Web Content Article on-date Apr 4, 2017 4:51 PM
2017-04-05 Publication of consolidated and separated financial results as at 31/12/2016 Hera informs that consolidated and separated financial results as at 31/12/2016, approved by the B.o.D. are...
Comunicati stampa: Shareholders’ meeting Price sensitive Financial Results -
Web Content Article on-date Mar 7, 2017 10:17 AM
2017-03-07 Nuova_Palazzina_870x.1533216684.jpg Shareholders meeting notice We hereby announce that a note of convocation has been published on the Company's website (www.gruppohera.it) for the...
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Web Content Article on-date Mar 7, 2017 10:52 AM
2017-03-07 Nuova_Palazzina_1_870x.1533216772.jpg Release of documents related to Gruppo Hera AGM to be held on April 2017 Gruppo Hera informs that AGM documents are now available: On Hera...
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Web Content Article on-date Apr 28, 2016 12:43 PM
2016-04-28 assemblea_azionisti_870x320_eng.1462442256.1469545447.jpg 2015 financial statements approved and dividends confirmed matching those of recent years, as foreseen by the business plan....
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Web Content Article on-date Apr 5, 2016 10:44 AM
2016-04-05 Publication of draft Separate and consolidate financial statements [block]div:row-fluid::db:hr_ir::box:58[/block] The dossier containing the draft Separate and Consolidated Financial...
Comunicati stampa: Shareholders’ meeting Price sensitive Financial Results
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Hera continues experimentation of the innovative, fast and low-cost contactless system that uses space technology to detect water leaks in the network more quickly and productively
So far, the method used to find leaks in the water mains that run under our streets has been acoustic detection: technicians walk the kilometres of asphalt above the mains and use special devices to locate leakage points.
Now, however, thanks to a system that uses cosmic rays, detection can also be carried out while following the network path in a car, thus proving faster and more profitable.
Cosmic rays: what are they and how can they be used?
Cosmic rays are an innovative method for water leak detection, based on the analysis of neutrons derived from secondary cosmic rays. It follows the same principle used to test whether there is water on Mars, but it can have different applications; for example, it is used in agriculture in the US for targeted irrigation.
In short, this technology exploits non-damaging particles, the neutrons, from space. These continuously impact Earth, generating collisions between secondary beams, the energy of which decreases according to the material that is passed through. In particular, hydrogen in water interacts with neutrons by slowing them down or absorbing them. The amount of water in the ground can therefore be assessed by monitoring neutrons in the air: ground where water is present in a higher percentage will have a greater moderating/absorbing effect on cosmic rays than a drier area.
By analysing the concentration of free cosmic rays, the presence of a water leak can be determined quickly and accurately, saving considerable time compared to traditional methods of investigation. In fact, this system can control a considerably larger network area, because it can travel on any vehicle on which it is mounted.
The search can be carried out by real-time identification, i.e. simply by the passage of the device over the tube and immediate verification of the leakage as soon as the sensor signals a decrease in the number of neutrons, or by deferred search, when the sensor placed on a moving vehicle passes over the area several times and then indicates the wettest spots.
The operator will no longer need to walk the entire water network with the geophone, but can go directly to the points identified on the map.
Experimentation and results
Together with the Department of Nuclear Physics at the University of Padua, we have developed a device that, mounted on a car, allows operators to travel along the network and monitor the concentration of neutrons on the road surface.
The vehicle moves at a speed of 40-50 km/h along the road under which the water network runs and, using cosmic ray analysis, the levels of detected neutrons are shown on a display. When the concentration drops, it is a sign that the neutrons have been retained under the soil by a cluster of water. When this happens, it means that there may be a water leak in that very spot, underground, and technicians can promptly intervene for repairs.
The testing of this technology, which we have been conducting since 2021, has confirmed the scientific soundness of the method: out of several thousand kilometres investigated, the same number of ruptures were found as with the traditional acoustic method, but with the advantage that the cosmic ray method is more productive, since the operator moves around in a car rather than on foot.
With a network of some 30,000 kilometres to check, having this tool allows us to make great strides. In addition, cosmic rays are sensitive to even modest leaks, such as those from pipe joints, which are more difficult to detect accurately.
This technology, which we have implemented thanks to a partnership with the start-up Cosmic and the team at Neptune Srl, is based on an isotope of lithium, lithium-6, which is the element that allows us to detect neutrons. We will continue to use it alongside the classic acoustic method, to locate all possible leaks and increase the level of effectiveness of interventions.
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