{"id":33383558,"date":"2026-04-08T01:52:02","date_gmt":"2026-04-08T01:52:02","guid":{"rendered":"https:\/\/zttek.tech\/?p=33383558"},"modified":"2026-04-15T01:22:46","modified_gmt":"2026-04-15T01:22:46","slug":"case-study-germany","status":"publish","type":"post","link":"https:\/\/zttek.tech\/ro\/case-study-germany\/","title":{"rendered":"De ce proiectele solare C&amp;I din Europa adaug\u0103 BESS (Studiu de caz Germania)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"33383558\" class=\"elementor elementor-33383558\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17f0dc6b e-flex e-con-boxed e-con e-parent\" data-id=\"17f0dc6b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4aa01a08 elementor-widget elementor-widget-text-editor\" data-id=\"4aa01a08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<div data-page-id=\"ZyNOdgl9NoHYWUxOA21ceweCnxe\" data-lark-html-role=\"root\" data-docx-has-block-data=\"false\">\n<div class=\"ace-line ace-line old-record-id-An2edP32Uo0d2xxzcemcMKacnGg\">O ferm\u0103 din Wallhausen, Germania, a introdus recent un sistem comercial de stocare a energiei cu baterii ZTTEK Sentinal 261 al\u0103turi de instala\u021bia sa fotovoltaic\u0103 de 450 kW. Cazul de utilizare este simplu: captarea surplusului de produc\u021bie solar\u0103, evitarea exportului \u00een timpul orelor cu pre\u021buri negative \u0219i reducerea costurilor cu energia electric\u0103 pe termen lung.<\/div>\n<div class=\"ace-line ace-line old-record-id-GlPAdI6KxoNDitxXaE5cH686n9b\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-GlPAdI6KxoNDitxXaE5cH686n9b\">Proiectul este activ. Sistemul func\u021bioneaz\u0103. Iar provocarea pe care o rezolv\u0103 nu este exclusiv german\u0103.<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-GClrdtd5podMj9xlGQ5cWoNHnOf\">&nbsp;<\/h3>\n<h3 class=\"heading-3 ace-line old-record-id-GClrdtd5podMj9xlGQ5cWoNHnOf\">Pre\u021burile negative la electricitate sunt acum o problem\u0103 paneuropean\u0103<\/h3>\n<div class=\"ace-line ace-line old-record-id-FDOLdJJg6ohWyAx3MSOcgAOHnBq\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-FDOLdJJg6ohWyAx3MSOcgAOHnBq\">C\u00e2nd oamenii se g\u00e2ndesc la pre\u021buri negative la electricitate \u00een Europa, tind s\u0103 se g\u00e2ndeasc\u0103 la Germania. Dar imaginea din 2024 \u0219i 2025 spune o poveste diferit\u0103.<\/div>\n<div class=\"ace-line ace-line old-record-id-FDOLdJJg6ohWyAx3MSOcgAOHnBq\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-EYWmdiBBjohFgwxw2Buc2I3YnHg\">Spania nu a \u00eenregistrat nicio or\u0103 cu pre\u021b negativ p\u00e2n\u0103 \u00een 2023, \u00eens\u0103 \u00eentr-un singur an aceast\u0103 cifr\u0103 a crescut la aproape 770 de ore. P\u00e2n\u0103 \u00een septembrie 2025, Spania \u00eenregistrase deja peste 500 de ore cu pre\u021buri negative pentru \u00eentregul an - mai mult dec\u00e2t dublu fa\u021b\u0103 de totalul anului 2024. Polonia, Grecia, \u021a\u0103rile de Jos \u0219i Rom\u00e2nia au \u00eenregistrat toate cre\u0219teri semnificative. \u00cen \u00eentreaga Europ\u0103, \u00een 2024 s-au \u00eenregistrat aproape 4 838 de ore cu pre\u021b zero sau negativ - aproape dublu fa\u021b\u0103 de anul precedent.<\/div>\n<div class=\"ace-line ace-line old-record-id-EYWmdiBBjohFgwxw2Buc2I3YnHg\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-B8f1de5ycov4mpxIZs8cREwfnpe\">Motivul este acela\u0219i peste tot: capacitatea solar\u0103 \u0219i eolian\u0103 cre\u0219te mai rapid dec\u00e2t o pot absorbi re\u021belele. Dup\u0103 cum a afirmat un analist \u00een domeniul energiei, pre\u021burile negative nu vor disp\u0103rea - cre\u0219terea energiei solare \u0219i eoliene va continua s\u0103 sporeasc\u0103 volatilitatea pre\u021burilor \u0219i numai o cre\u0219tere semnificativ\u0103 a stoc\u0103rii o poate reduce.<\/div>\n<div class=\"ace-line ace-line old-record-id-B8f1de5ycov4mpxIZs8cREwfnpe\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-TEEMdPgxEoRfMtxqbfPcIOFinMf\">Pentru operatorii solari C&amp;I \u0219i dezvoltatorii EPC din Europa de Sud \u0219i de Est, aceast\u0103 tendin\u021b\u0103 este din ce \u00een ce mai greu de ignorat. Pie\u021bele care, \u00een urm\u0103 cu doi ani, erau pu\u021bin sau deloc expuse la pre\u021buri negative se confrunt\u0103 acum cu suprimarea regulat\u0103 a pre\u021burilor la mijlocul zilei \u00een timpul orelor de v\u00e2rf ale energiei solare - exact atunci c\u00e2nd activele lor genereaz\u0103 cea mai mare cantitate de energie.<\/div>\n<div class=\"old-record-id-C03JdiRXXok3VrxqGrAceNcKnCe\" data-type=\"divider\">&nbsp;<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-OchYdbl3JoUIMUx3w9TcVX38nKd\">&nbsp;<\/h3>\n<h3 class=\"heading-3 ace-line old-record-id-OchYdbl3JoUIMUx3w9TcVX38nKd\">Ce demonstreaz\u0103 proiectul Wallhausen<\/h3>\n<div class=\"ace-line ace-line old-record-id-L5eMdsKYSovy0GxqPJCcaacdneh\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-L5eMdsKYSovy0GxqPJCcaacdneh\">Ferma din Wallhausen opereaz\u0103 o instala\u021bie solar\u0103 de 450 kW - o capacitate de produc\u021bie semnificativ\u0103 pentru un singur amplasament agricol. F\u0103r\u0103 stocare, o parte substan\u021bial\u0103 din produc\u021bia sa de la pr\u00e2nz ar fi exportat\u0103 \u00een re\u021bea la orice pre\u021b spot care ar prevala \u00een acel moment. Dup\u0103 cum arat\u0103 datele de mai sus, acel pre\u021b este din ce \u00een ce mai probabil s\u0103 fie foarte sc\u0103zut sau negativ.<\/div>\n<div class=\"ace-line ace-line old-record-id-L5eMdsKYSovy0GxqPJCcaacdneh\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-ILXSd6wS1olCbZxUidCcVxVXnXf\">Sentinal 261 BESS abordeaz\u0103 aceast\u0103 problem\u0103 \u00een dou\u0103 moduri:<\/div>\n<div class=\"ace-line ace-line old-record-id-SvE5dRexBozxT6xmAidckYBGnLc\"><strong>\u00cen primul r\u00e2nd autoconsumul.<\/strong> Bateria absoarbe surplusul de produc\u021bie fotovoltaic\u0103 \u00een timpul perioadelor de v\u00e2rf de produc\u021bie \u0219i \u00eel p\u0103streaz\u0103 pentru utilizare \u00een timpul serii, c\u00e2nd costurile de import din re\u021bea sunt mai mari. Acest lucru reduce \u00een mod direct factura de energie electric\u0103 a fermei, f\u0103r\u0103 a atinge re\u021beaua.<\/div>\n<div class=\"ace-line ace-line old-record-id-Hcr9d1POFotL6kxpFAacaS7zn8e\"><strong>Controlul sincroniz\u0103rii exportului.<\/strong> Atunci c\u00e2nd pre\u021burile spot sunt negative, sistemul re\u021bine produc\u021bia \u00een loc s\u0103 for\u021beze exportul. Desc\u0103rcarea este programat\u0103 pentru perioadele \u00een care pre\u021bul este pozitiv - transform\u00e2nd ceea ce ar fi fost o pierdere \u00eentr-un venit utilizabil sau \u00eentr-un eveniment de evitare a costurilor.<\/div>\n<div class=\"ace-line ace-line old-record-id-Hcr9d1POFotL6kxpFAacaS7zn8e\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-NELgdLAoPosVFKxFn7Ycr7w7npb\">Aceast\u0103 combina\u021bie - optimizarea autoconsumului plus evitarea pre\u021burilor negative - este o combina\u021bie conving\u0103toare din punct de vedere financiar pentru orice amplasament solar care func\u021bioneaz\u0103 \u00een condi\u021biile actuale ale pie\u021bei europene. Aspectele economice par deosebit de puternice pe pie\u021bele \u00een care pre\u021burile negative sunt \u00eenc\u0103 relativ noi, iar adoptarea sistemelor de stocare este sc\u0103zut\u0103, ceea ce \u00eenseamn\u0103 c\u0103 volatilitatea re\u021belei este ridicat\u0103 \u0219i concuren\u021ba pentru ferestrele de arbitraj este limitat\u0103.<\/div>\n<div class=\"old-record-id-Q9jsdNIFuo4twaxIi1hcqrhenpe\" data-type=\"divider\">&nbsp;<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-ZD3NdeJbYoIRnAxlMDOc7Z0anpf\">&nbsp;<\/h3>\n<h3 class=\"heading-3 ace-line old-record-id-ZD3NdeJbYoIRnAxlMDOc7Z0anpf\">De ce pie\u021bele mai pu\u021bin consacrate pot oferi o oportunitate mai bun\u0103<\/h3>\n<div>&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-BYg9dKqmKoiUOmxlPfwcEMSonLG\">Pia\u021ba comercial\u0103 de stocare pe baterii din Germania se maturizeaz\u0103 rapid. Concuren\u021ba dintre instalatori este ridicat\u0103, marjele sunt reduse, iar politica de re\u021bea este bine dezvoltat\u0103. Pentru dezvoltatorii EPC \u0219i cump\u0103r\u0103torii de energie C&amp;I care evalueaz\u0103 unde s\u0103 se concentreze \u00een continuare, pie\u021be precum Spania, Italia, Polonia \u0219i Rom\u00e2nia prezint\u0103 un set diferit de condi\u021bii.<\/div>\n<div class=\"ace-line ace-line old-record-id-BYg9dKqmKoiUOmxlPfwcEMSonLG\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-Na0WdQlJCo1BDBxrklkc7gfpnDd\">Spania \u0219i Portugalia conduc acum Europa \u00een ceea ce prive\u0219te frecven\u021ba pre\u021burilor negative, iar modelul este concentrat \u00een prim\u0103var\u0103 \u0219i la \u00eenceputul verii - exact atunci c\u00e2nd produc\u021bia de energie solar\u0103 atinge un nivel maxim. Italia a evitat p\u00e2n\u0103 acum pre\u021burile negative prin reglementarea pie\u021bei, dar a \u00eenregistrat o cre\u0219tere constant\u0103 a num\u0103rului de ore cu pre\u021buri foarte sc\u0103zute, iar ca r\u0103spuns sunt deja \u00een curs schimb\u0103ri de politic\u0103. \u00cen Europa de Est, Rom\u00e2nia \u0219i Ungaria au \u00eenregistrat cea mai mare volatilitate a pre\u021burilor din Europa \u00een 2024 - o condi\u021bie de pia\u021b\u0103 care face ca activele de stocare dispecerizabile s\u0103 fie dispropor\u021bionat de valoroase.<\/div>\n<div class=\"ace-line ace-line old-record-id-Na0WdQlJCo1BDBxrklkc7gfpnDd\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-Twu7d3HuzoFjl1xRwzxcwzrynig\">Pe fiecare dintre aceste pie\u021be, stocarea comercial\u0103 pe baterii se afl\u0103 \u00eentr-un stadiu mai incipient dec\u00e2t \u00een Germania. Infrastructura re\u021belei este adesea mai pu\u021bin flexibil\u0103, ceea ce face ca fluctua\u021biile de pre\u021b s\u0103 fie mai severe, iar stocarea s\u0103 aib\u0103 un impact mai mare atunci c\u00e2nd este implementat\u0103. \u00cen plus, portofoliul de proiecte cre\u0219te rapid pe m\u0103sur\u0103 ce capacitatea solar\u0103 se extinde.<\/div>\n<div class=\"ace-line ace-line old-record-id-Twu7d3HuzoFjl1xRwzxcwzrynig\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-DYQqdPHwlo6fKrxOeYpcxVWrnPd\">Pentru instalatorii \u0219i EPC-urile care doresc s\u0103 construiasc\u0103 un portofoliu de proiecte BESS \u00een Europa, aceasta este o fereastr\u0103 \u00eenainte ca pia\u021ba s\u0103 devin\u0103 aglomerat\u0103.<\/div>\n<div class=\"old-record-id-JwvpdpaWtorFhhxxPN9caeTen8f\" data-type=\"divider\">&nbsp;<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-UyK7dk1S4oLhVyxilPEc81MInVd\">&nbsp;<\/h3>\n<h3 class=\"heading-3 ace-line old-record-id-UyK7dk1S4oLhVyxilPEc81MInVd\">Sistemul: ZTTEK Sentinal 261<\/h3>\n<div>&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-E3KddoQbkooxZQxjRcMcmn9OnKe\">Sistemul implementat la Wallhausen este Sentinal 261, parte a seriei de dulapuri C&amp;I BESS de la ZTTEK. Specifica\u021bii cheie:<\/div>\n<ul class=\"list-bullet1\">\n<li class=\"ace-line ace-line old-record-id-Vv9adw2xuoeYxRxC3FccKL82nPe\" data-list=\"bullet\">\n<div><strong>Capacitatea energetic\u0103:<\/strong> 261 kWh (314 Ah LFP, 1P52S, 832 V nominal)<\/div>\n<\/li>\n<li class=\"ace-line ace-line old-record-id-XEyHdAVVPoWlqHx3JBUclCWMnof\" data-list=\"bullet\">\n<div><strong>Putere nominal\u0103 AC:<\/strong> 125 kW (v\u00e2rf: 137 kW)<\/div>\n<\/li>\n<li class=\"ace-line ace-line old-record-id-JKQwdo8hBoD5WexCyRDcD14JnKb\" data-list=\"bullet\">\n<div><strong>R\u0103cire:<\/strong> R\u0103cire cu lichid pentru un management termic stabil pe termen lung<\/div>\n<\/li>\n<li class=\"ace-line ace-line old-record-id-MA1KdicGZosDQ0x91qFcm8vMnkd\" data-list=\"bullet\">\n<div><strong>Temperatura de func\u021bionare:<\/strong> -20\u00b0C p\u00e2n\u0103 la 50\u00b0C<\/div>\n<\/li>\n<li class=\"ace-line ace-line old-record-id-IkSad7FjdoAAi0xdmrQcr55fnuh\" data-list=\"bullet\">\n<div><strong>Protec\u021bia \u00eempotriva incendiilor:<\/strong> Niveluri multiple, nivel de grup \u0219i nivel de ambalaj (perfluorohexanon\u0103 sau aerosol)<\/div>\n<\/li>\n<li class=\"ace-line ace-line old-record-id-VKgLdxsDCoxiKExKVVhcRvVanpb\" data-list=\"bullet\">\n<div><strong>Comunicare:<\/strong> RS485 \/ CAN; compatibil cu EMS ter\u021b\u0103 parte<\/div>\n<\/li>\n<li class=\"ace-line ace-line old-record-id-QoZudBQG8ouXhCxjvf0cHmcRn2f\" data-list=\"bullet\">\n<div><strong>Protec\u021bie:<\/strong> IP54 pentru utilizare \u00een exterior \u0219i semi-exterior<\/div>\n<\/li>\n<li class=\"ace-line ace-line old-record-id-Xct8d0bsIoVONKx4yNRcOUqqn9f\" data-list=\"bullet\">\n<div><strong>Certific\u0103ri:<\/strong> IEC 62619, IEC 63056, CE-EMC, CE-LVD, UN38.3<\/div>\n<\/li>\n<\/ul>\n<div class=\"ace-line ace-line old-record-id-G6DOd8G0EoNjwRxQrzzcjwuPneb\">Arhitectura r\u0103cit\u0103 cu lichid este bine adaptat\u0103 climatului variabil din sudul \u0219i estul Europei - men\u021bin\u00e2nd condi\u021bii termice constante pe parcursul ciclurilor de \u00eenc\u0103rcare\/desc\u0103rcare pe care strategiile de arbitraj \u0219i autoconsum le necesit\u0103 pe tot parcursul anului. Carcasa IP54 \u0219i o gam\u0103 larg\u0103 de temperaturi de func\u021bionare \u00eenseamn\u0103 c\u0103 sistemul poate fi implementat \u00een aer liber \u00eentr-o gam\u0103 larg\u0103 de configura\u021bii ale amplasamentului.<\/div>\n<div class=\"ace-line ace-line old-record-id-G6DOd8G0EoNjwRxQrzzcjwuPneb\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-QiJEdsfjOor0ChxR6VEcXaNZnTe\">Instala\u021bia Wallhausen marcheaz\u0103 prima implementare opera\u021bional\u0103 C&amp;I BESS a ZTTEK pe pia\u021ba european\u0103. Sistemul este validat pe teren \u0219i certificat de re\u021bea pentru implementarea pe pie\u021bele UE.<\/div>\n<div class=\"old-record-id-UQY4dYQ5You5yGxJa16cR6vfnHf\" data-type=\"divider\">&nbsp;<\/div>\n<h3 class=\"heading-3 ace-line old-record-id-JySqdvEPEoPjzExkjDPcWP4lnUh\">&nbsp;<\/h3>\n<h3 class=\"heading-3 ace-line old-record-id-JySqdvEPEoPjzExkjDPcWP4lnUh\">Pentru dezvoltatorii EPC \u0219i cump\u0103r\u0103torii C&amp;I<\/h3>\n<div class=\"ace-line ace-line old-record-id-VR51dY7GDoOee5xZBpSc9hmAnTd\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-VR51dY7GDoOee5xZBpSc9hmAnTd\">Dac\u0103 evalua\u021bi un sistem comercial de stocare a bateriilor pentru un proiect solar \u00een Europa - fie c\u0103 este vorba despre un sit agricol \u00een Spania, o instala\u021bie industrial\u0103 u\u0219oar\u0103 \u00een Polonia sau o cl\u0103dire comercial\u0103 \u00een Italia - aspectele economice care stau la baza proiectului Wallhausen se aplic\u0103 direct.<\/div>\n<div class=\"ace-line ace-line old-record-id-VR51dY7GDoOee5xZBpSc9hmAnTd\">&nbsp;<\/div>\n<div class=\"ace-line ace-line old-record-id-QgGIdQ4aoo4Ohex7kldc0Z5enxd\">Activele solare f\u0103r\u0103 stocare sunt din ce \u00een ce mai expuse la pre\u021buri. Sistemele de stocare a energiei pe baz\u0103 de baterii transform\u0103 aceast\u0103 expunere \u00eentr-o condi\u021bie de func\u021bionare gestionabil\u0103 \u0219i poten\u021bial profitabil\u0103. Pie\u021bele pe care acest lucru conteaz\u0103 cel mai mult \u00een acest moment nu sunt cele care \u0219i-au dezvoltat deja infrastructura de stocare - sunt cele pe care energia solar\u0103 cre\u0219te rapid, iar bateriile nu au recuperat \u00eenc\u0103 din \u00eent\u00e2rziere.<\/div>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bb3d06d e-flex e-con-boxed e-con e-parent\" data-id=\"bb3d06d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-597afe7 elementor-widget elementor-widget-button\" data-id=\"597afe7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zttek.tech\/projects\/sentinal-ci-energy-storage-cabinets\/\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Check out Sentinal 261<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>A 450 kW solar farm in Germany is using the ZTTEK Sentinal 261 BESS to avoid negative electricity prices and maximize PV self-consumption. Here&#8217;s what it means for C&#038;I solar operators across Spain, Italy, Poland, and beyond.<\/p>","protected":false},"author":1,"featured_media":33383555,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,61],"tags":[],"class_list":["post-33383558","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bess","category-case-study"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why C&amp;I Solar Projects in Europe Are Adding BESS (Germany Case Study) | ZTTEK<\/title>\n<meta name=\"description\" content=\"A 450 kW on-site solar project at an agricultural facility in Europe is using the ZTTEK Sentinel 261 BESS to avoid negative electricity prices and maximize PV self-consumption\u2014offering key insights for C&amp;I solar operators across Spain, Italy, Poland, and 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