{"id":881,"date":"2026-01-26T16:07:07","date_gmt":"2026-01-26T16:07:07","guid":{"rendered":"https:\/\/www.jpsil.co.uk\/blog\/?p=881"},"modified":"2026-01-28T16:30:48","modified_gmt":"2026-01-28T16:30:48","slug":"what-is-a-dnv-cgs-certificate","status":"publish","type":"post","link":"https:\/\/www.jpsil.co.uk\/blog\/2026\/01\/26\/what-is-a-dnv-cgs-certificate\/","title":{"rendered":"What is a DNV CGS Certificate"},"content":{"rendered":"<p class=\"intro\">DNV is a Class Guideline that provides guidance and requirements for the time-limited installation of <a href=\"https:\/\/www.jpsil.co.uk\/content\/containerised-generators\">containerised generator sets<\/a> (CGSs) on board DNV-classed vessels. <\/p>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/DNV\">DNV<\/a> ensures safe and uniform interpretation of rules for using CGSs as temporary backup power, additional power (e.g., for reefer containers), or as a replacement for a damaged auxiliary or emergency generator. The guideline focuses on the individual integration of the CGS into the ship&#8217;s systems and its location on the vessel.<\/p>\n<h2 class=\"wp-block-heading\">Common Offshore and Lifting Certificates (DNV-ST)<\/h2>\n<ul class=\"wp-block-list\">\n<li>DNV-ST-E271 &#8211; (formerly 2.7-1)<\/li>\n<li>DNV-ST-E272 &#8211; Service Modules<\/li>\n<li>DNV-ST-0378 &#8211; Lifting Appliances<\/li>\n<li>DNV-ST-E273 &#8211; Portable Offshore Units<\/li>\n<li>DNV-CG-0588 &#8211; CGS<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Key Aspects of the DNV-CG-0588:<\/h2>\n<ul class=\"wp-block-list\">\n<li><strong>Purpose:<\/strong> To provide a comprehensive overview of requirements for installing CGSs for temporary use on ships.\u00a0<\/li>\n<li><strong>Scope:<\/strong> Covers the installation of containerised generator sets on DNV-classed vessels for time-limited applications, not permanent installations.\u00a0<\/li>\n<li><strong>Applications:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Backup power in case of damage to a ship&#8217;s generator.&nbsp;<\/li>\n<li>Additional power for extra equipment like reefer containers or seismic equipment.&nbsp;<\/li>\n<\/ul>\n<\/li>\n<li><strong>Focus:<\/strong> Addresses the individual integration of the CGS within the ship&#8217;s systems and its placement on the vessel.\u00a0<\/li>\n<li><strong>Benefit:<\/strong> Aims to ensure consistency and provide clarity for ship managers, suppliers, and DNV in the installation of these temporary power units.\u00a0<\/li>\n<li><strong>Issuance:<\/strong> Superseded previous technical guidance from 2016 and was released by DNV, a leading classification society and technical advisor for the maritime industry.\u00a0<\/li>\n<\/ul>\n<h2 class=\"wp-block-heading\">Further Reading<\/h2>\n<p><a href=\"https:\/\/www.jpsil.co.uk\/content\/containerised-generators\">Containerised Generators<\/a><br \/><a href=\"https:\/\/www.jpsil.co.uk\/content\/power-generation-acoustic-containers\">Power Generation Acoustic Containers<\/a><br \/><a href=\"https:\/\/www.jpsil.co.uk\/content\/enclosed-generators\">Enclosed Generators<\/a><\/p>\n<h2 class=\"wp-block-heading\">Enquire About Our Containerised Generator Sets<\/h2>\n<p>Tel: +44 (0)1606 633023<br \/>Email: sales@jpsil.co.uk<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DNV is a Class Guideline that provides guidance and requirements for the time-limited installation of containerised generator sets (CGSs) on&#8230;<\/p>\n","protected":false},"author":3,"featured_media":930,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[110],"tags":[186],"class_list":["post-881","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-gensets"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a DNV CGS Certificate<\/title>\n<meta name=\"description\" content=\"DNV is a Class Guideline that provides guidance and requirements for the time-limited installation of containerised generator sets (CGSs).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.jpsil.co.uk\/blog\/2026\/01\/26\/what-is-a-dnv-cgs-certificate\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is a DNV CGS Certificate\" \/>\n<meta property=\"og:description\" content=\"DNV is a Class Guideline that provides guidance and requirements for the time-limited installation of containerised generator sets (CGSs).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.jpsil.co.uk\/blog\/2026\/01\/26\/what-is-a-dnv-cgs-certificate\/\" \/>\n<meta property=\"og:site_name\" content=\"JP Containers | High 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