{"id":98525,"date":"2024-05-27T11:03:51","date_gmt":"2024-05-27T09:03:51","guid":{"rendered":"https:\/\/firstcolo.net\/glossary\/green-it\/"},"modified":"2026-03-13T00:17:43","modified_gmt":"2026-03-12T23:17:43","slug":"green-it","status":"publish","type":"glossary","link":"https:\/\/firstcolo.net\/en\/glossary\/green-it\/","title":{"rendered":"Green IT"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"98525\" class=\"elementor elementor-98525 elementor-48684\" data-elementor-post-type=\"glossary\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3c663c63 e-flex e-con-boxed e-con e-parent\" data-id=\"3c663c63\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-77937056 e-con-full e-flex e-con e-child\" data-id=\"77937056\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-5a5b4fb4 e-con-full e-flex e-con e-child\" data-id=\"5a5b4fb4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-4515d424 e-con-full e-flex e-con e-child\" data-id=\"4515d424\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fbbb39 elementor-widget elementor-widget-heading\" data-id=\"fbbb39\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">What is Green IT?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5dcd6829 elementor-widget elementor-widget-text-editor\" data-id=\"5dcd6829\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Green IT refers to the approach of making the entire lifecycle of information and communication technology (ICT) more sustainable. This includes the production, operation, and disposal of IT equipment. The goal is to build an ICT infrastructure that operates in a resource-conserving and energy-efficient manner.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\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-1ddd87a5 e-flex e-con-boxed e-con e-parent\" data-id=\"1ddd87a5\" 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-61b4e9e3 elementor-widget elementor-widget-heading\" data-id=\"61b4e9e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Categories of Green IT<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-611ac6aa elementor-widget elementor-widget-text-editor\" data-id=\"611ac6aa\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Green IT can be divided into two main areas:<\/p><ul><li><strong>Green in IT<\/strong>: Technologies and methods to reduce resource and energy consumption in ICT solutions, data centers, and infrastructure.<\/li><li><strong>Green through IT<\/strong>: The use of ICT to avoid transport routes and business travel, for example through video conferencing or digital processes, thereby reducing CO2 emissions.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83b1b74 elementor-widget elementor-widget-heading\" data-id=\"83b1b74\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Green IT in data centers\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a20c42d elementor-widget elementor-widget-text-editor\" data-id=\"a20c42d\" 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 class=\"elementor-element elementor-element-38d622f5 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"38d622f5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>Data centers offer significant potential for efficiency improvements. A key metric is the PUE value (PUE = Power Usage Effectiveness), which measures the ratio of a data center\u2019s total energy consumption to the energy consumption of the IT systems. In 2022, the <a href=\"https:\/\/firstcolo.net\/en\/glossary\/power-usage-effectiveness-pue\/\" target=\"_blank\" rel=\"noopener\">PUE value<\/a> averaged 1.55: This means that 55% of the energy was used for cooling, power distribution, and other building functions, rather than directly for operating the IT.  <\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05be1fe elementor-widget elementor-widget-heading\" data-id=\"05be1fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Legal requirements\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43902c8a elementor-widget elementor-widget-text-editor\" data-id=\"43902c8a\" 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 class=\"elementor-element elementor-element-9d37c8b elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"9d37c8b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>The Energy Efficiency Act (EnEfG) came into force in Germany in November 2023. It implements the requirements of the European Energy Efficiency Directive and includes stricter specifications for data centers in Germany. From 2024, data centers must cover 50% of their energy needs from renewable energy sources, and from 2025, 100%. In addition, a PUE value of 1.3 and a waste heat utilization rate increasing gradually from 10% to at least 20% are to be targeted for new data centers in the future.   <\/p><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6ca1e5 elementor-widget elementor-widget-heading\" data-id=\"c6ca1e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Energy savings in data centers\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1e5e742f elementor-widget elementor-widget-text-editor\" data-id=\"1e5e742f\" 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 class=\"elementor-element elementor-element-d9c7be3 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"d9c7be3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\"><div class=\"elementor-widget-container\"><p>There are various approaches to saving energy in the data center:<\/p><ul><li><strong>IT hardware<\/strong>: Use modern, efficient hardware.<\/li><li><strong><span class=\"\" tabindex=\"0\" role=\"link\" data-mobile-support=\"0\" data-gt-translate-attributes=\"[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]\">Virtualization<\/span><\/strong>: Better utilization and lower energy consumption.<\/li><li><strong>Air conditioning<\/strong>: Use energy-efficient cooling systems such as cold aisle containment, which separates cold and warm air zones.<\/li><li><strong>Building design<\/strong>: Optimized construction to support efficient cooling.<\/li><\/ul><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5af056fc elementor-widget elementor-widget-heading\" data-id=\"5af056fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cold aisle containment<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-245ec560 elementor-widget elementor-widget-text-editor\" data-id=\"245ec560\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Traditional air conditioning of the entire room was often inefficient. Modern solutions such as <a href=\"https:\/\/firstcolo.net\/en\/glossary\/cold-aisle\/\" target=\"_blank\" rel=\"noopener\">cold aisle containment<\/a> consistently separate cold and warm airflows, making cooling more efficient. Cold air is directed specifically to the servers, while warm air is exhausted. This method reduces energy costs.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a6db1bb elementor-widget elementor-widget-heading\" data-id=\"a6db1bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Intelligent cabling\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7e44dce elementor-widget elementor-widget-text-editor\" data-id=\"7e44dce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Structured and modular cabling also contributes to energy savings. Flat cabling systems and compact cable designs ensure better air circulation and reduce blockage of ventilation paths in network cabinets. Fiber-optic cables, which take up less space and enable longer transmission distances, are particularly advantageous.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c3d295 elementor-widget elementor-widget-heading\" data-id=\"6c3d295\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sustainable materials and durability\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29ce95d elementor-widget elementor-widget-text-editor\" data-id=\"29ce95d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>High-quality materials and durable designs are essential <a href=\"https:\/\/www.umweltbundesamt.de\/themen\/digitalisierung\/gruene-informationstechnik-green-it\" target=\"_blank\" rel=\"noopener\">components of Green IT<\/a>. They ensure that IT components last a long time and therefore conserve resources. In addition, durable products reduce the need for frequent replacements and the associated environmental impact.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f59f3c7 elementor-widget elementor-widget-heading\" data-id=\"f59f3c7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d3ce73 elementor-widget elementor-widget-text-editor\" data-id=\"5d3ce73\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Green IT is a holistic approach and consists of a bundle of measures. The goal is to increase <a href=\"https:\/\/firstcolo.net\/en\/glossary\/sustainable-data-center\/\" target=\"_blank\" rel=\"noopener\">sustainability<\/a> in information technology. Data centers in particular offer many starting points for reducing energy consumption and thus becoming more environmentally friendly. By using efficient technologies and smart solutions, the IT industry can significantly reduce its CO2 footprint while also lowering operating costs.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-15949336 e-con-full e-flex e-con e-child\" data-id=\"15949336\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6d46939d elementor-widget elementor-widget-button\" data-id=\"6d46939d\" 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=\"\/\">\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\">Homepage<\/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<div class=\"elementor-element elementor-element-350d4da8 elementor-widget elementor-widget-button\" 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sustainable.<\/p>\n","protected":false},"author":43,"featured_media":97354,"menu_order":0,"template":"","meta":{"content-type":"","footnotes":""},"glossary-categories":[],"glossary-tags":[],"class_list":["post-98525","glossary","type-glossary","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Green IT | firstcolo Glossary<\/title>\n<meta name=\"description\" content=\"Learn how Green IT helps reduce companies\u2019 environmental footprint and conserve resources.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/firstcolo.net\/en\/glossary\/green-it\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Green 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