{"id":10084,"date":"2023-09-26T16:09:24","date_gmt":"2023-09-26T14:09:24","guid":{"rendered":"https:\/\/cubeconcepts.de\/?p=10084"},"modified":"2026-06-11T13:22:42","modified_gmt":"2026-06-11T11:22:42","slug":"certificates-of-origin-hkn-trade-is-becoming-increasingly-important","status":"publish","type":"post","link":"https:\/\/cubeconcepts.de\/en\/herkunftsnachweise-hkn-handel-wird-immer-wichtiger\/","title":{"rendered":"Origin certificates (OC): Systematics, trading &amp; importance for companies"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><em>(Updated April 2026)<\/em> Certificates of origin (HKN) are the central instrument for <strong>Tracking and marketing of electricity from renewable energies in Europe<\/strong>. They ensure that green electricity can be clearly allocated in accounting, regardless of where the physical electricity is actually consumed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For companies, HKNs are becoming increasingly important, especially in the context of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CO\u2082 Accounting (Scope 2)<\/li>\n\n\n\n<li>ESG Reporting (e.g., CSRD)<\/li>\n\n\n\n<li>Strombeschaffung und Green PPAs<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are Guarantees of Origin (GO)?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A proof of origin is an electronic certificate that confirms that <strong>one megawatt-hour (1 MWh) of electricity from renewable energy was generated<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Important: The HKN is <strong>tradable separately from the physical supply<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That means:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Only by possessing and retiring an HKN can electricity be designated as \u201egreen.\u201c<\/li>\n\n\n\n<li>Electricity and \u201egreen electricity properties\u201c are marketed independently<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Can operators of PV systems generate additional profits through HKN trading?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Yes \u2013 Operators of photovoltaic or other renewable energy systems can generate additional revenue by selling Guarantees of Origin. The prerequisite is that the electricity generated <strong>is not subsidized by the EEG<\/strong> (e.g., no market premium or feed-in tariff).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How does that work in detail?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If a PV system feeds electricity into the public grid and does not receive any subsidies:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>For every megawatt-hour fed in, a certificate of origin is issued<\/li>\n\n\n\n<li>This HKN can be sold separately on the market<\/li>\n\n\n\n<li>Buyers are mostly energy suppliers or companies with green electricity needs<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Important: Electricity and the certificate of origin will <strong>marketed separately<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is the revenue from HKN trading?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Proceeds from certificates of origin depend heavily on the market price. Typical price levels (as of 2025\/2026):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standard-HKN (e.g., Hydropower, Scandinavia):<br>California. <strong>1\u20133 EUR\/MWh<\/strong><\/li>\n\n\n\n<li>Higher quality renewable energy sources (e.g., solar or wind from Germany):<br>California. <strong>3\u20138 \u20ac\/MWh<\/strong><\/li>\n\n\n\n<li>In individual cases (e.g., high demand, special criteria):<br>\u2192 also possible<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">When is HKN trading particularly worthwhile?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The additional yield is particularly interesting when:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>the facility in the <strong>other direct marketing<\/strong> runs<\/li>\n\n\n\n<li>one <strong>Power Purchase Agreement (PPA)<\/strong> consists of<\/li>\n\n\n\n<li>no more EEG funding (post-EEG installations)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In these cases, HKN are an important component of overall marketing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">When is no additional HKN yield possible?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No separate revenue arises when:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>the system a <strong>EEG funding<\/strong> receives<\/li>\n\n\n\n<li>the electricity is completely consumed internally<\/li>\n\n\n\n<li>no feed-in to the public grid takes place<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How do origin certificates work? (Simply explained)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The HKN system is based on three steps:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Exhibition<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For electricity generated from renewable energies, an HKN is generated <\/li>\n\n\n\n<li>Prerequisite: Feed-in to the public grid <\/li>\n\n\n\n<li>1 HKN = 1 MWh<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Handel<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HKNs can be sold independently of electricity<\/li>\n\n\n\n<li>Buyers are mostly:\n<ul class=\"wp-block-list\">\n<li>Energy supplier<\/li>\n\n\n\n<li>Electricity trader<\/li>\n\n\n\n<li>Large companies<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trading is carried out throughout Europe via registries and brokers. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Devaluation<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HKNs are \u201edevalued\u201c when selling electricity to end customers.\u201c<\/li>\n\n\n\n<li>Only then may electricity be labeled as renewable<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Without cancellation \u2192 no \u201egreen electricity\u201c in the legal sense<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HKNs are important for companies because...<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. CO\u2082 balance (Scope 2)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Companies can reduce their indirect emissions by purchasing electricity with devalued renewable energy certificates.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. ESG and Reporting Obligations<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/cubeconcepts.de\/en\/csrdr-reporting-obligation-for-companies-tightened-from-2024\/\" type=\"post\" id=\"7793\">CSRD<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cubeconcepts.de\/en\/the-eu-taxonomy\/\" type=\"post\" id=\"7680\">EU taxonomy<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/cubeconcepts.de\/en\/lsme-and-vsme-sustainability-reports-for-smes\/\" type=\"post\" id=\"14135\">LSME &amp; VSME Sustainability Reports<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HCNs are a central building block for evidence.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Flexible Green Electricity Procurement<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No physical delivery necessary <\/li>\n\n\n\n<li>Europe-wide availability<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How does trading with Guarantees of Origin work?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The HKN trade is a standalone market with growing importance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Market participants<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Plant operator (producer)<\/li>\n\n\n\n<li>Power Trader \/ Broker<\/li>\n\n\n\n<li>Energy supplier<\/li>\n\n\n\n<li>Companies as end-users<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Trade mechanisms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bilateral treaties<\/li>\n\n\n\n<li>Spot market \/ OTC trading<\/li>\n\n\n\n<li>Integration in Power Purchase Agreements (PPAs)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Especially relevant: HKN are often <strong>separately or bundled with electricity contracts<\/strong> traded<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Price development<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">HKN prices have increased in recent years, influenced by:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>increasing demand from companies<\/li>\n\n\n\n<li>regulatory requirements<\/li>\n\n\n\n<li>Limited supply of high-quality certificates<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In high demand are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Technology-specific HKN (e.g., solar, wind)<\/strong><\/li>\n\n\n\n<li><strong>local or recent proof of origin<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What role do HKNs play in Power Purchase Agreements (PPAs)?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">With <a href=\"https:\/\/cubeconcepts.de\/en\/ppa-power-purchase-agreement\/\" type=\"post\" id=\"10902\">Power Purchase Agreements<\/a> Are HKN a central component?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>You are transferring the \u201egreen property\u201c of the electricity<\/li>\n\n\n\n<li>allow for crediting toward the CO\u2082 balance<\/li>\n\n\n\n<li>Increase the economic value of a PPA<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Without an HKN, a PPA is not a green electricity contract from an accounting perspective.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the limitations of HKN?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No double marketing \u2013 electricity may not be subsidized and marketed with HKN simultaneously<\/li>\n\n\n\n<li>No HKN for self-consumption \u2013 HKN is only for electricity fed into the public grid<\/li>\n\n\n\n<li>Time Limit \u2013 HKNs have a limited validity (usually 12-18 months)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion: Guarantees of origin as added value for renewable energy<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Origin certificates (HKN) are a central building block for marketing electricity from renewable energies. They ensure that green electricity can be clearly traced and&nbsp;<strong>only sold once as \u201eCO\u2082-neutral\u201c<\/strong>. For operators of photovoltaic, wind, or other renewable energy systems, HKN offers the opportunity to,&nbsp;<strong>to achieve additional revenue<\/strong>, especially if no EEG subsidies are used or plants are operated via direct marketing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trading HKN is involved&nbsp;<strong>legally clearly regulated<\/strong>&nbsp;\u2013 on a national level through the&nbsp;<strong>Energy Industry Act (\u00a7 42 EnWG, \u00a7 30 HkRNDV)<\/strong>&nbsp;and European through the specifications of the&nbsp;<strong>Association of Issuing Bodies (AIB)<\/strong>. Plant operators and energy suppliers must maintain their accounts in the Certificate of Origin Register (HKNR) in order to correctly redeem the HKNs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While HKN revenue is generally&nbsp;<strong>An add-on module<\/strong>, but especially in combination with&nbsp;<strong>Green PPAs or strategic direct marketing<\/strong>&nbsp;create tangible added economic value. Those who manage their HKN professionally \u2013 for example, through a management system or an experienced partner \u2013 secure the best possible returns while simultaneously meeting transparency and sustainability requirements for companies, investors, and regulatory mandates.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>In short:<\/strong>&nbsp;Renewable energy sources are not a primary driver of profit, but an indispensable instrument for sustainable energy projects and a clear value lever in the modern energy industry.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Regulatory Framework in Germany &amp; Europe<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Proof of origin is legally clearly regulated \u2013 both at the national and European level. The goal is to <strong>uniform, transparent, and forgery-proof electricity labeling<\/strong> to ensure.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Germany: EneG, EEG, and HkRNDV in conjunction<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The legal basis for guarantees of origin in Germany arises from several laws and ordinances:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. Energy Industry Act (EnWG) \u2013 Electricity Labeling (\u00a7 42 EnWG)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The Energy Industry Act regulates the obligation for electricity labeling.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00a7 42 of the German Energy Industry Act (EnWG) obliges energy suppliers to disclose:\n<ul class=\"wp-block-list\">\n<li>what are the sources of your electricity<\/li>\n\n\n\n<li>what is the share of renewable energies<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Crucial: Electricity may only be designated as \u201erenewable\u201c if <strong>Origin certificates have been invalidated<\/strong>. \u00a7 42 para. 5 EnWG specifies: The \u201egreen characteristic\u201c of the electricity arises <strong>only through the devaluation of the HKN<\/strong>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Renewable Energy Sources Act (EEG)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The Renewable Energy Sources Act regulates the promotion of renewable energies \u2013 with a direct impact on HKN.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Central Rule: <strong>Subsidized electricity (e.g., market premium, feed-in tariff) may not receive HKN.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Background:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Avoiding Double Marketing<\/li>\n\n\n\n<li>State-subsidized electricity is already considered \u201erenewable\u201c in accounting.\u201c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Relevant Regulations:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EEG \u00a7 19 \u2192 Funding claims<\/li>\n\n\n\n<li>\u00a7 80 EEG (or previous regulations) \u2192 Electricity Labeling<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3. Ordinance on the Implementation of Origin and Regional Proof (HkRNDV)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The HkRNDV operationalizes the HKN system. It regulates, among other things:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Issuance of certificates of origin<\/li>\n\n\n\n<li>Transfer between market participants<\/li>\n\n\n\n<li>Invalidation of certificates<\/li>\n\n\n\n<li>Deadlines and Validity<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Key points:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1 HKN = 1 MWh electricity<\/strong><\/li>\n\n\n\n<li>Exhibition only when feeding into the public grid<\/li>\n\n\n\n<li>Redemption required within 12-18 months<\/li>\n\n\n\n<li>Guidance on the Origin Certificate Register (HKNR)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">4. Certificate of Origin Register (HKNR) at the Federal Environment Agency<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The HKNR is the central platform for HKN trading in Germany.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Account management for:\n<ul class=\"wp-block-list\">\n<li>Plant operator<\/li>\n\n\n\n<li>Retailer<\/li>\n\n\n\n<li>Energy supplier<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Important:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Only registered market participants can trade or redeem HKN<\/li>\n\n\n\n<li>All transactions are documented and reviewed<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">Europe: RED II \/ RED III and Market Harmonization<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">At the European level, the system is based on the Renewable Energy Directive:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. Renewable Energy Directive (RED II \/ RED III)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The Renewable Energy Directive provides the framework for guarantees of origin in Europe.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Core Content<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Introduction of a Europe-wide harmonized HKN system<\/li>\n\n\n\n<li>Commitment to mutual recognition of certificates<\/li>\n\n\n\n<li>Definition of standards for:\n<ul class=\"wp-block-list\">\n<li>Exhibition<\/li>\n\n\n\n<li>Trade<\/li>\n\n\n\n<li>Devaluation<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Goal: One <strong>functioning internal market for green electricity certificates<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. Association of Issuing Bodies (AIB) &amp; EECS System<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The Association of Issuing Bodies coordinates the national registries.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Operation of <strong>EECS-Systems (European Energy Certificate System)<\/strong><\/li>\n\n\n\n<li>Safeguarding\n<ul class=\"wp-block-list\">\n<li>uniform standards<\/li>\n\n\n\n<li>cross-border trade<\/li>\n\n\n\n<li>Avoid double counting<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Result: HKNs are interchangeable EU-wide.<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"15300\" class=\"elementor elementor-15300\" data-elementor-post-type=\"elementor_library\">\n\t\t\t<div class=\"elementor-element elementor-element-7720627 e-flex e-con-boxed e-con e-parent\" data-id=\"7720627\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e2d7cf1 e-con-full e-flex e-con e-child\" data-id=\"e2d7cf1\" 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-7f42313 e-con-full e-flex e-con e-child\" data-id=\"7f42313\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-42660e6 elementor-widget elementor-widget-heading\" data-id=\"42660e6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Energy Newsletter<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b495a97 elementor-widget elementor-widget-spacer\" data-id=\"b495a97\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-916e623 elementor-widget elementor-widget-text-editor\" data-id=\"916e623\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Always stay up-to-date!<\/p><p><strong>Your advantages:<\/strong><\/p><p>\u2713 Latest news on renewable energies<\/p><p>\u2713 Updates on energy law &amp; subsidies<\/p><p>\u2713 Expert knowledge on PV and sustainability topics<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a28f7a5 elementor-widget elementor-widget-spacer\" data-id=\"a28f7a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-397a653 elementor-widget elementor-widget-button\" data-id=\"397a653\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjE1MDQ0IiwidG9nZ2xlIjpmYWxzZX0%3D\">\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\">Register now<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0648968 e-con-full e-flex e-con e-child\" data-id=\"0648968\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e4654f0 elementor-widget elementor-widget-image\" data-id=\"e4654f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2024\/06\/Newsletter-Mockup-1024x768.png\" class=\"attachment-large size-large wp-image-15431\" alt=\"\" srcset=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2024\/06\/Newsletter-Mockup-1024x768.png 1024w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2024\/06\/Newsletter-Mockup-300x225.png 300w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2024\/06\/Newsletter-Mockup-768x576.png 768w, https:\/\/cubeconcepts.de\/wp-content\/uploads\/2024\/06\/Newsletter-Mockup.png 1500w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\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\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>They enable plant operators to market the \u201egreen attribute\u201c of their electricity separately, thereby generating additional profits beyond the EEG subsidy. Learn how the electronic certificate system works and why HKN is an indispensable building block for CO\u2082 accounting and modern Green PPAs.<\/p>","protected":false},"author":3,"featured_media":10086,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1,25,60],"tags":[],"class_list":["post-10084","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-batteriespeicher","category-photovoltaik","category-regulatorik-esg"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Herkunftsnachweise (HKN) | CUBE CONCEPTS<\/title>\n<meta name=\"description\" content=\"Herkunftsnachweise (HKN) f\u00fcr Strom werden gehandelt und stellen sicher, dass Strom aus erneuerbaren Energien nur einmal vermarktet werden.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cubeconcepts.de\/en\/certificates-of-origin-hkn-trade-is-becoming-increasingly-important\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Herkunftsnachweise (HKN) | CUBE CONCEPTS\" \/>\n<meta property=\"og:description\" content=\"Herkunftsnachweise (HKN) f\u00fcr Strom werden gehandelt und stellen sicher, dass Strom aus erneuerbaren Energien nur einmal vermarktet werden.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cubeconcepts.de\/en\/certificates-of-origin-hkn-trade-is-becoming-increasingly-important\/\" \/>\n<meta property=\"og:site_name\" content=\"CUBE CONCEPTS\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-26T14:09:24+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-11T11:22:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cubeconcepts.de\/wp-content\/uploads\/2023\/09\/Herkunftsnachweise-HKN-Header-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1917\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Guido Steenmans\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Guido Steenmans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/cubeconcepts.de\\\/herkunftsnachweise-hkn-handel-wird-immer-wichtiger\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/cubeconcepts.de\\\/herkunftsnachweise-hkn-handel-wird-immer-wichtiger\\\/\"},\"author\":{\"name\":\"Guido Steenmans\",\"@id\":\"https:\\\/\\\/cubeconcepts.de\\\/fr\\\/#\\\/schema\\\/person\\\/2c762e4ca1ea252f42f23ab33248856e\"},\"headline\":\"Herkunftsnachweise (HKN): Systematik, Handel &amp; 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