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<p>The Tamil Nadu Electricity Regulatory Commission (<a href="http://www.tnerc.gov.in/" target="_blank" rel="noopener">TNERC</a>) has issued an amendment to the &#8216;Grid-Connectivity and Intrastate open Access Regulations, 2014.&#8217;</p>
<p>The amendment seeks to prioritize energy adjustment from different sources based on the cost of energy generated, the shelf life of firm power that cannot be stored, and the banking of energy provided to the sources.</p>
<p>The Tamil Nadu Generation and Distribution Corporation (<a href="https://www.tangedco.gov.in/" target="_blank" rel="noopener">TANGEDCO</a>) requested the Commission to set the order for priority of adjustment of energy when a high tension (HT) consumer wheeled or purchased power from multiple sources of energy under the open access arrangement.</p>
<p><strong>Background</strong></p>
<p>TANGEDCO hosted the petition for comments from stakeholders. Subsequently, a draft amendment to the &#8216;Grid Connectivity and Open Access Regulations, 2014&#8217; was <a href="https://mercomindia.com/tamil-nadu-proposes-priority-buying-power-various-sources-open-access/" target="_blank" rel="noopener">published</a> on the Commission&#8217;s website inviting comments from stakeholders in December last year.</p>
<p>Open access consumers procure power from multiple energy sources. Effective functioning of consumers&#8217; choices to purchase power from different sources requires a set of rules that govern the distribution licensee and the open access customer.</p>
<p>It had become necessary to evolve a sequence of adjustments of energy purchased or wheeled by open access consumers considering the status of generating entities, environment, economics, and regulatory principles to settle transactions and energy accounting.</p>
<p><strong>Commission&#8217;s analysis</strong></p>
<p>As per the amendment, the first priority has been accorded to adjusting power procured from power exchanges through collective transactions followed by bilateral transactions. Collective transactions are further prioritized over bilateral as they cannot be revised once scheduled.</p>
<p>For the same reason, the second priority has been accorded to the adjustment of third-party power purchases. Among the sources under the third party, priority has been accorded to renewable sources in terms of decreasing priority (biomass and bagasse-based cogeneration) and thermal, with a high generation cost. Solar (5<sup>th</sup>) and wind power (6<sup>th</sup>) are infirm without banking and therefore accorded lower priority.</p>
<p>The Commission noted that consumers utilizing captive sources could also procure through IEX or third-party power purchase and therefore are accorded priority after IEX and third-party sources.</p>
<p>Among the captive sources, priority is accorded to biomass, bagasse, and thermal in order of decreasing priority due to the short shelf life of these firm sources, which lapse when not consumed. Solar and wind have been given priority after the above-mentioned energy sources as the unutilized energy from these sources is sold to the distribution licensee.</p>
<p>The Commission said that for wind energy, the methodology of adjusting energy generated had been prescribed in the tariff orders, which have a banking period of 12 months. Wind energy generators should first adjust their captive generation before any other captive source. Priority has been accorded to windmills under the renewable energy certificate (REC) program due to the higher open access charges paid by the consumers over the non-REC windmills.</p>
<p>Last December, TNERC <a href="https://mercomindia.com/tamil-nadu-issues-revised-guidelines-captive-power/" target="_blank" rel="noopener">revised</a> the rules for verifying captive open access projects. The data verification procedure for providing captive status to a power project will apply from the financial year (FY) 2020-21. TANGEDCO will verify data and assign captive status to the projects based on data furnished by the captive power developers.</p>
<p>Subscribe to Mercom&#8217;s real-time <a href="https://mercomindia.com/product/mercoms-renewable-energy-regulatory-updates/" target="_blank" rel="noopener">Regulatory Updates</a> to ensure you don&#8217;t miss any critical updates from the renewable industry.</p>
<div class="saboxplugin-wrap" itemtype="http://schema.org/Person" itemscope itemprop="author"><div class="saboxplugin-tab"><div class="saboxplugin-gravatar"></div><div class="saboxplugin-authorname"><a href="https://cms.mercomindia.com/author/rakesh-ranjan-parashar/" class="vcard author" rel="author"><span class="fn">Rakesh Ranjan</span></a></div><div class="saboxplugin-desc"><div itemprop="description"><div class="designboxt">
<p><img class="alignleft" style="border-radius: 50%;height: 50px;margin-top: -4px;border: 1px solid #00b451" src="https://mercomindia.s3.ap-south-1.amazonaws.com/wp-content/uploads/2022/02/Rakesh-Headshot-crop-2.jpg" width="50" /></p>
<p><strong style="text-decoration: underline">Rakesh Ranjan,</strong> Staff reporter at Mercom India<br />
<a href="https://mercomindia.com/author/rakesh-ranjan-parashar/" target="_blank" rel="noopener">More articles from Rakesh Ranjan.</a></p>
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<p><img class="alignleft" src="https://mercomindia.s3.ap-south-1.amazonaws.com/wp-content/uploads/2022/02/Rakesh-Headshot-crop-2.jpg" width="77" height="102" /><a href="https://mercomindia.com/author/rakesh-ranjan-parashar/" target="_blank" rel="noopener"><strong style="color: #00b451">Rakesh Ranjan</strong></a> is a staff reporter at Mercom India. Prior to joining Mercom, he worked in many roles as a business correspondent, assistant editor, senior content writer, and sub-editor with bcfocus.com, CIOReview/Silicon India, Verbinden Communication, and Bangalore Bias. Rakesh holds a Bachelor’s degree in English from Indira Gandhi National Open University (IGNOU). <a href="https://mercomindia.com/author/rakesh-ranjan-parashar/" rel="noopener noreferrer">More articles from Rakesh Ranjan.</a></p>
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Tamil Nadu Issues Priority Order for Open Access Consumers to Procure Energy

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