{"id":88485,"date":"2017-12-22T09:20:28","date_gmt":"2017-12-22T09:20:28","guid":{"rendered":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/?page_id=88485"},"modified":"2026-05-07T14:47:42","modified_gmt":"2026-05-07T13:47:42","slug":"bsc-audit-performance-assurance-framework","status":"publish","type":"page","link":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/reference\/performance-assurance\/bsc-audit-performance-assurance-framework\/","title":{"rendered":"Audits and checks"},"content":{"rendered":"<h2 id=\"annual-audits\">Annual audits<\/h2>\n<p>Every year, Elexon carries out two audits of participants in the energy market:<\/p>\n<ul>\n<li>The <strong>BSC Audit<\/strong>, a process audit that checks whether participants are meeting their obligations under the Code<\/li>\n<li>The <strong>Technical Assurance of Metering (TAM) Audit<\/strong>, which checks that metering systems are installed and maintained correctly<\/li>\n<\/ul>\n<h2 id=\"additional-checks-that-may-be-needed\">Additional checks that may be needed<\/h2>\n<p>When we need additional information on a particular activity, process or risk, we may carry out targeted assurance checks:<\/p>\n<ul>\n<li><strong>Assurance Information Request (AIR)<\/strong> &#x2013; a formal request for specific information<\/li>\n<li><strong>Technical Assurance of Performance Assurance Parties (TAPAP)<\/strong> &#x2013; a more in-depth review of how obligations are being met<\/li>\n<\/ul>\n<h2 id=\"assurance-information-request-air\">Assurance Information Request (AIR)<\/h2>\n<p>An&#xA0;<strong>Assurance Information Request (AIR)<\/strong>&#xA0;is a formal request from Elexon asking a Party or Agent to provide specific information that helps assess whether they&#x2019;re meeting their BSC obligations and managing Settlement Risks effectively.<\/p>\n<p>AIRs are typically issued when something looks unusual&#x2014;such as missing data, repeated estimation, or a process failure&#x2014;and Elexon needs more detail to understand the situation.<\/p>\n<p><strong>Example:<\/strong><br>If a Supplier has a high number of estimated meter readings, Elexon might issue an AIR asking:<\/p>\n<ul>\n<li>which meters are affected<\/li>\n<li>why actual readings couldn&#x2019;t be obtained<\/li>\n<li>whether there were system or agent issues<\/li>\n<li>what&#x2019;s being done to fix the problem<\/li>\n<\/ul>\n<p>This helps Elexon decide whether further action is needed to protect Settlement accuracy.<\/p>\n<h2 id=\"technical-assurance-of-performance-assurance-parties-tapap-check\">Technical Assurance of Performance Assurance Parties (TAPAP) check<\/h2>\n<p>A&#xA0;<strong>TAPAP check<\/strong>&#xA0;is a more in-depth review carried out by Elexon (or on its behalf) to assess how well a Party is meeting specific obligations under the BSC.<\/p>\n<p>It can involve interviews, process walkthroughs, and document reviews to check that a process&#x2014;like data collection, meter operation, or submissions&#x2014;is being done correctly.<\/p>\n<p><strong>Example:<\/strong><br>Elexon might carry out a TAPAP check to confirm that a Party is:<\/p>\n<ul>\n<li>correctly operating Half Hourly meters<\/li>\n<li>following procedures for data validation<\/li>\n<li>applying the right rules for estimating missing data<\/li>\n<\/ul>\n<p>TAPAP checks are usually targeted, based on identified Settlement Risks, and findings are reported to the Performance Assurance Board (PAB).<\/p>\n<hr>\n<h2 id=\"learn-more-or-take-action\">Learn more or take action<\/h2>\n<ul>\n<li>BSC Audit information (SOFY)<\/li>\n<li>TAM audit information (TAAMT)<\/li>\n<li>Non-compliance<\/li>\n<\/ul>\n\n","protected":false},"excerpt":{"rendered":"<p>Annual audits Every year, Elexon carries out two audits of participants in the energy market: The BSC Audit, a process audit that checks whether participants are meeting their obligations under [&hellip;]<\/p>\n","protected":false},"author":351,"featured_media":0,"parent":1964,"menu_order":20,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","inline_featured_image":false,"footnotes":""},"tags":[],"class_list":["post-88485","page","type-page","status-publish","hentry"],"acf":[],"semantic_search":{"post_id":88485,"title":"Audits and checks","link":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/reference\/performance-assurance\/bsc-audit-performance-assurance-framework\/","categories":[],"tags":[],"content":"    <div class=\"panel-content\">\n        <p>This page explains the different types of audits and checks we use to monitor risks to Settlement.<\/p>\n\n    <\/div>\n\n    <div class=\"panel-content\">\n        <h2 id=\"annual-audits\">Annual audits<\/h2>\n<p>Every year, Elexon carries out two audits of participants in the energy market:<\/p>\n<ul>\n<li>The <strong>BSC Audit<\/strong>, a process audit that checks whether participants are meeting their obligations under the Code<\/li>\n<li>The <strong>Technical Assurance of Metering (TAM) Audit<\/strong>, which checks that metering systems are installed and maintained correctly<\/li>\n<\/ul>\n<h2 id=\"additional-checks-that-may-be-needed\">Additional checks that may be needed<\/h2>\n<p>When we need additional information on a particular activity, process or risk, we may carry out targeted assurance checks:<\/p>\n<ul>\n<li><strong>Assurance Information Request (AIR)<\/strong> &#x2013; a formal request for specific information<\/li>\n<li><strong>Technical Assurance of Performance Assurance Parties (TAPAP)<\/strong> &#x2013; a more in-depth review of how obligations are being met<\/li>\n<\/ul>\n<h2 id=\"assurance-information-request-air\">Assurance Information Request (AIR)<\/h2>\n<p>An&#xA0;<strong>Assurance Information Request (AIR)<\/strong>&#xA0;is a formal request from Elexon asking a Party or Agent to provide specific information that helps assess whether they&#x2019;re meeting their BSC obligations and managing Settlement Risks effectively.<\/p>\n<p>AIRs are typically issued when something looks unusual&#x2014;such as missing data, repeated estimation, or a process failure&#x2014;and Elexon needs more detail to understand the situation.<\/p>\n<p><strong>Example:<\/strong><br>If a Supplier has a high number of estimated meter readings, Elexon might issue an AIR asking:<\/p>\n<ul>\n<li>which meters are affected<\/li>\n<li>why actual readings couldn&#x2019;t be obtained<\/li>\n<li>whether there were system or agent issues<\/li>\n<li>what&#x2019;s being done to fix the problem<\/li>\n<\/ul>\n<p>This helps Elexon decide whether further action is needed to protect Settlement accuracy.<\/p>\n<h2 id=\"technical-assurance-of-performance-assurance-parties-tapap-check\">Technical Assurance of Performance Assurance Parties (TAPAP) check<\/h2>\n<p>A&#xA0;<strong>TAPAP check<\/strong>&#xA0;is a more in-depth review carried out by Elexon (or on its behalf) to assess how well a Party is meeting specific obligations under the BSC.<\/p>\n<p>It can involve interviews, process walkthroughs, and document reviews to check that a process&#x2014;like data collection, meter operation, or submissions&#x2014;is being done correctly.<\/p>\n<p><strong>Example:<\/strong><br>Elexon might carry out a TAPAP check to confirm that a Party is:<\/p>\n<ul>\n<li>correctly operating Half Hourly meters<\/li>\n<li>following procedures for data validation<\/li>\n<li>applying the right rules for estimating missing data<\/li>\n<\/ul>\n<p>TAPAP checks are usually targeted, based on identified Settlement Risks, and findings are reported to the Performance Assurance Board (PAB).<\/p>\n<hr>\n<h2 id=\"learn-more-or-take-action\">Learn more or take action<\/h2>\n<ul>\n<li>BSC Audit information (SOFY)<\/li>\n<li>TAM audit information (TAAMT)<\/li>\n<li>Non-compliance<\/li>\n<\/ul>\n\n    <\/div>\n\n","s3_url":""},"_links":{"self":[{"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/pages\/88485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/users\/351"}],"replies":[{"embeddable":true,"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/comments?post=88485"}],"version-history":[{"count":5,"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/pages\/88485\/revisions"}],"predecessor-version":[{"id":225011,"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/pages\/88485\/revisions\/225011"}],"up":[{"embeddable":true,"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/pages\/1964"}],"wp:attachment":[{"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/media?parent=88485"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/elexon-beta.elexonhostings.co.uk\/bsc\/wp-json\/wp\/v2\/tags?post=88485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}