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Waste-to-energy plants: a resource for the circular economy

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Waste-to-energy plants: a resource for the circular economy

Producing electricity and heat from non-reusable waste. How? In a waste-to-energy plant: it's a safe and legally compliant plant and an energy resource for the local area. 

A waste-to-energy plant, in fact, is a plant in which the heat from the combustion of waste is recovered to generate steam, which is then used to produce electricity or for district heating. link to the district heating page

Our nine waste-to-energy plants cover a catchment area of over 3 million inhabitants in the provinces of Ferrara, Modena, Bologna, Forlì-Cesena, Rimini, Isernia, Padua, and Trieste and "enhance" the heat produced for the benefit of the local area. How? By generating both electricity, fed into the Italian distribution network, and heat, sent to homes or users in the surrounding area, through a special distribution network. 

HOW DOES A WASTE-TO-ENERGY PLANT WORK?

Watch the video for a quick and simple explanation of the basic operation of a waste-to-energy plant.


ARE WASTE-TO-ENERGY PLANTS DANGEROUS?

No. These plants are safe, compliant with the regulations, and contribute less than 1% of total emission sources for dioxins, PM10, NOx, and other major air pollutants (ISPRA data).

The only waste consists of ash (about 20% by weight of the treated waste) and particulate (about 3% by weight of the treated waste). Ash is generally used for recovery and production of secondary raw materials for the cement industry, while the particulate is stabilised to reduce any potential pollutants and make it suitable for disposal in an authorised plant. 

Do you want to know more about our waste-to-energy plant emissions? Visit the section on our website.

The waste-to-energy plants are subject to constant monitoring and checks conducted by both Herambiente itself and competent agencies. Checks are carried out with the utmost transparency and anyone can verify the results: the main emission parameters are published and updated every half hour on the website www.herambiente.it. Transparency, in fact, has always been a value for Herambiente, since it manages waste and material and energy recovery activities without compromising the quality of the surrounding environment, with the utmost respect for the territory and adopting solutions with the lowest environmental impact.


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Java method "static it.reply.open.hera.template.custom.service.WidgetTemplateTool.getDateFormattedBy(String, String, Locale)" threw an exception; see cause exception in the Java stack trace.

----
FTL stack trace ("~" means nesting-related):
	- Failed at: contentDate = hera_template_tool.getD...  [in template "20099#20135#57725650" at line 70, column 13]
----
1<#assign 
2assetVocabularyLocalServiceUtil = objectUtil("com.liferay.asset.kernel.service.AssetVocabularyLocalServiceUtil") 
3vocabularyComunicatiStampa = assetVocabularyLocalServiceUtil.fetchGroupVocabulary(themeDisplay.getScopeGroupId(), languageUtil.get(locale, "comunicati-stampa")) 
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5/> 
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12HERA_FIELD_LOCALIZED_TITLE="title_"+languageId 
13HERA_FIELD_SIMPLE_TITLE="title" 
14HERA_FIELD_URL_TITLE="urlTitle" 
15HERA_FIELD_CONTENT="content_" + languageId 
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23HERA_FIELD_CLASSPK="entryClassPK" 
24HERA_FIELD_ENTRY_CLASS_NAME_LAYOUT="com.liferay.portal.kernel.model.Layout" 
25HERA_FIELD_ENTRY_CLASS_NAME_JA="com.liferay.journal.model.JournalArticle" 
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29HERA_FIELD_ENTRY_CLASS_NAME_DDLRECORD="com.liferay.dynamic.data.lists.model.DDLRecord" 
30HERA_FIELD_ENTRY_CLASS_NAME_DDMFORMINSTANCERECORD="com.liferay.dynamic.data.mapping.model.DDMFormInstanceRecord" 
31HERA_FIELD_PREFIX="ddm__keyword__" 
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36HERA_FIELD_IMMAGINE_TYPE2= "__immagine_r13v_" 
37HERA_ASSET_CATEGORY_TITLE="assetCategoryTitles" 
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39HERA_FIELD_USER_EMAIL_ADDRESS="emailAddress" 
40HERA_ORA_PUBBLICAZIONE="__ora_pubblicazione_" 
41HERA_CONTENT="content_"+languageId 
42 
43CATEGORY_HERA_SPA=languageUtil.get(locale, "hera-spa") 
44CATEGORY_IR_PRICE=languageUtil.get(locale, "ir-price") 
45/> 
46 
47 
48<#-- gruppohera_results.jsp es. ddm__keyword__54911__sottotitolo_it_IT es. displayDate --> 
49 
50<#-- Abilitare o Disabilitare Highlight dei termini ricercati in configurazione --> 
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52<#if portletPreferences["highlightEnabled"]?? && portletPreferences["highlightEnabled"][0]?has_content> 
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56<#assign docs=searchContainer.getResults() /> 
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58<div class="container archivio my-4"> 
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61            <#assign contentTitle="" contentSummary="" content="" contentDate="" /> 
62 
63            <#assign contentTitle=hera_template_tool.highlight(d.get(HERA_FIELD_LOCALIZED_TITLE),searchResultsPortletDisplayContext.getKeywords(), isHighlightEnabled?boolean) 
64            classTypeId=d.get(HERA_FIELD_CLASS_TYPE_ID) 
65            sottotitolo=d.get(HERA_FIELD_PREFIX + classTypeId + HERA_FIELD_SOTTOTITOLO + languageId) 
66            description=d.get(HERA_FIELD_DESCRIPTION_IT) 
67            immagineInEvidenza=d.get(HERA_FIELD_PREFIX_TEXT+classTypeId + HERA_FIELD_IMMAGINE_SINISTRA_FOCUS + languageId) 
68            urlTitle=d.get(HERA_FIELD_URL_TITLE) 
69            contentSummary=hera_template_tool.highlight(d.get(HERA_CONTENT),  searchResultsPortletDisplayContext.getKeywords(), isHighlightEnabled?boolean) 
70            contentDate=hera_template_tool.getDateFormattedBy(d.get(HERA_FIELD_DISPLAYDATE),"dd/MM/yyyy",locale) 
71            publishDate=hera_template_tool.getDateFormattedBy(d.get(HERA_FIELD_PUBLISH_DATE),"dd/MM/yyyy",locale) 
72            oraPubblicazione = d.get(HERA_FIELD_PREFIX +classTypeId + HERA_ORA_PUBBLICAZIONE + languageId) 
73            oraPubblicazioneObj = oraPubblicazione 
74            checkcategory=0 
75            contentUrl=hera_template_tool.getSearchResultViewURL(renderRequest, renderResponse, 
76            d.get(HERA_FIELD_ENTRY_CLASS_NAME), d.get(HERA_FIELD_CLASSPK)?number, true, currentUrl) 
77            content=d.get(HERA_FIELD_CONTENT) titlepage=languageUtil.get(locale, titlepage, 
78            layout.getName(locale)) /> 
79 
80<#attempt> 
81             
82                <#assign 
83                immagineInEvidenzaObj=jsonFactoryUtil.createJSONObject(immagineInEvidenza) 
84                /> 
85							 
86                														 
87						 
88							 <#if immagineInEvidenzaObj?? && immagineInEvidenzaObj?has_content && !immagineInEvidenzaObj.groupId?? && !immagineInEvidenzaObj.name?? && !immagineInEvidenzaObj.uuid??> 
89							  <#assign 
90                    immagineInEvidenzaObj=jsonFactoryUtil.createJSONObject(immagineInEvidenzaType2) 
91                    /> 
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93             
94            <div class="post-item mb-3"> 
95                <a href="${urlTitle}" class="tile boxarchivio-round position-relative white-bg"> 
96                    <#if immagineInEvidenzaObj?? && immagineInEvidenzaObj?has_content > 
97                    <div class="row d-flex align-items-center"> 
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101                            <#if immagineInEvidenzaObj?? && immagineInEvidenzaObj?has_content && immagineInEvidenzaObj.groupId?? && immagineInEvidenzaObj.name?? && immagineInEvidenzaObj.uuid??> 
102                                <#assign immagineUrl="/documents/" + immagineInEvidenzaObj.groupId + "/0/" + immagineInEvidenzaObj.name + "/" + immagineInEvidenzaObj.uuid /> 
103                                <div class="col-xs-3 col-md-2"> 
104                                    <img title="${immagineInEvidenzaObj.name}" alt="${titlepage}" class="agg-tile-image img-archivio-news" src="${immagineUrl}" /> 
105                                </div> 
106                                <div class="col-xs-9 col-md-10 offset-lg-1 col-lg-9 px-5 px-md-0"> 
107                                    <div class="container px-lg-3 pr-xl-4"> 
108                                        <div class="black py-2 small"> 
109                                            <div class="mr-0 mr-md-5 d-inline"> 
110                                                <#attempt> 
111                                                    ${contentDate} 
112                                                    <#recover> 
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115                                            <#assign assetCategoryList= hera_template_tool.getAssetCategoryList(d.get("rootEntryClassPK"))/> 
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117                                                <#if entryCategory.vocabularyId == vocabularyId || true> 
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119                                                    <#if catName==CATEGORY_HERA_SPA> 
120                                                        <#assign checkcategory=1 /> 
121                                                    </#if> 
122                                                    <#if catName==CATEGORY_IR_PRICE> 
123                                                        <#assign checkcategory=1 /> 
124                                                    </#if> 
125 
126                                                    <div class="mr-2 d-inline gruppo-color-bg white px-1 py-0 py-lg-1 py-md-1 ${catName?lower_case}"> 
127                                                        ${catName} 
128                                                    </div> 
129                                                </#if> 
130                                            </#list> 
131                                        </div> 
132 
133                                        <h3 class="titlesize bigger black letter-spacing-sm bolder"> ${contentTitle}</h3> 
134                                        <#if contentSummary?? && contentSummary?has_content> 
135                                            <div class="d-none d-lg-block greyish-brown tilesize"> ${contentSummary} </div> 
136                                        <#else> 
137                                            <div class="d-none d-lg-block greyish-brown tilesize"> 
138                                                ${description} 
139                                            </div> 
140                                        </#if> 
141                                        <#if checkcategory==1> 
142                                            <i class="black py-2 mr-0 mr-md-3"> 
143                                                <#if publishDate!=""> Online dal ${publishDate} </#if> 
144                                                <#--<#list oraPubblicazioneObj as ora_pubb>--> 
145                                                <#if oraPubblicazioneObj!=""> 
146                                                    alle ore ${oraPubblicazioneObj} 
147                                                </#if> 
148                                                <#--</#list>--> 
149 
150                                            </i> 
151                                        </#if> 
152                                    </div> 
153                                </div> 
154                            <#else> 
155                                <div class="col-xs-12 col-md-10"> 
156                                    <div class="container"> 
157                                        <div class="ml-4 black py-2 small mr-3"> 
158                                            <div class="mr-5 d-inline"> 
159                                                ${contentDate} 
160                                            </div> 
161                                            <div class="mr-2 d-inline gruppo-color-bg white px-1 py-0 py-lg-1 py-md-1"> 
162                                                <#assign assetCategoryList= hera_template_tool.getAssetCategoryList(d.get("rootEntryClassPK"))/> 
163                                                <#list assetCategoryList as entryCategory> 
164                                                    <#if entryCategory.vocabularyId == vocabularyId> 
165                                                        <#assign catName = entryCategory.name> 
166                                                        <#if catName==CATEGORY_HERA_SPA> 
167                                                            <#assign checkcategory=1 /> 
168                                                        </#if> 
169                                                        <#if catName==CATEGORY_IR_PRICE> 
170                                                            <#assign checkcategory=1 /> 
171                                                        </#if> 
172 
173                                                        <div class="mr-2 d-inline gruppo-color-bg white px-1 py-0 py-lg-1 py-md-1"> 
174                                                            ${catName} 
175                                                        </div> 
176                                                    </#if> 
177                                                </#list> 
178                                            </div> 
179                                        </div> 
180                                        <h3 class="titlesize bigger ml-4 black letter-spacing-sm bolder"> ${contentTitle}</h3> 
181                                        <#if contentSummary?? && contentSummary?has_content> 
182                                            <div class="d-none d-lg-block black tilesize ml-4"> 
183                                                ${contentSummary} 
184                                            </div> 
185                                        <#else> 
186                                            <div class="d-none d-lg-block greyish-brown tilesize ml-4"> 
187                                                ${description} 
188																							   
189                                            </div> 
190                                        </#if> 
191                                        <#if checkcategory==1> 
192                                            <i class="ml-4 black py-2 small mr-3"> 
193                                                <#if publishDate!=""> Online dal ${publishDate} </#if> 
194                                                <#--<#list oraPubblicazioneObj as ora_pubb>--> 
195                                                <#if oraPubblicazioneObj!=""> 
196                                                    alle ore ${oraPubblicazioneObj} 
197                                                </#if> 
198                                                <#--</#list>--> 
199                                            </i> 
200                                        </#if> 
201                                    </div> 
202                                </div> 
203                            </#if> 
204                        </div> 
205                </a> 
206            </div> 
207					<#recover> 
208					 
209																							</#attempt> 
210        </#list> 
211    </#if> 
212</div> 
213 
214 
215<script> 
216    $(document).ready(function () { 
217        var url = window.location.href; 
218        if (url.indexOf("/-/")>=0){ 
219            var recoverurl=localStorage.getItem("reindexcomunicati"); 
220            $(".reindexlink").attr("href",recoverurl); 
221        }else{ 
222            localStorage.setItem("reindexcomunicati", url); 
223
224    }); 
225</script> 

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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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Hera SpA, Viale Carlo Berti Pichat 2/4, 40127 Bologna, Tel.051287111 www.gruppohera.it