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<span class="vector-toc-numb">2</span> <span>Transmission and distribution</span> </div> </a> <ul id="toc-Transmission_and_distribution-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-UHV_transmission_worldwide" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#UHV_transmission_worldwide"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>UHV transmission worldwide</span> </div> </a> <ul id="toc-UHV_transmission_worldwide-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reasons_for_UHV_transmission_in_China" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Reasons_for_UHV_transmission_in_China"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Reasons for UHV transmission in China</span> </div> </a> <ul id="toc-Reasons_for_UHV_transmission_in_China-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-UHV_circuits_completed_or_under_construction" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#UHV_circuits_completed_or_under_construction"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>UHV circuits completed or under construction</span> </div> </a> <ul id="toc-UHV_circuits_completed_or_under_construction-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> 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Expansion of both AC and DC capacity continues in order to match generation to consumption demands while minimizing transmission losses. <a href="/wiki/Decarbonization" class="mw-redirect" title="Decarbonization">Decarbonization</a> improvements will result from the replacement of lower efficiency generation, located near the coast, by more modern high-efficiency generation with less pollution near the energy resources. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Background">Background</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ultra-high-voltage_electricity_transmission_in_China&action=edit&section=1" title="Edit section: Background"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Since 2004, electricity consumption in China has been growing at an unprecedented rate due to the rapid growth of industrial sectors. Serious supply shortage during 2005 had impacted the operation of many Chinese companies. Since then, China has very aggressively invested in <a href="/wiki/Electricity_supply" class="mw-redirect" title="Electricity supply">electricity supply</a> in order to fulfil the demand from industries and hence secure <a href="/wiki/Economic_growth" title="Economic growth">economic growth</a>. Installed generation capacity has run from 443 <a href="/wiki/Gigawatt" class="mw-redirect" title="Gigawatt">GW</a> at end of 2004 to 793 GW at the end of 2008.<sup id="cite_ref-China_Stat_1-0" class="reference"><a href="#cite_note-China_Stat-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The increment in these four years is equivalent to approximately one-third of the total capacity of the <a href="/wiki/United_States" title="United States">United States</a>, or 1.4 times the total capacity of <a href="/wiki/Japan" title="Japan">Japan</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> During the same period of time, annual energy consumption has also risen from 2,197 <a href="/wiki/Terawatt-hour" class="mw-redirect" title="Terawatt-hour">TWh</a> to 3,426 TWh.<sup id="cite_ref-China_Stat_1-1" class="reference"><a href="#cite_note-China_Stat-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> China's electricity consumption is expected to reach 6,800–6,900 TWh by 2018 from 4,690 TWh in 2011, with installed capacity reaching 1,463 GW from 1,056 GW in 2011, of which 342 GW is hydropower, 928 GW coal-fired, 100 GW wind, 43 GW nuclear, and 40 GW natural gas.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> China is the country with the largest consumption of electricity as of 2011. </p><p>China's Twelfth <a href="/wiki/Five-year_plans_of_China" title="Five-year plans of China">Five-Year Plan</a> (covering the period 2011 to 2015) provided for the development of an ultra-high-voltage (UHV) transmission corridor to increase the integration of renewable energy from the point of generation to its point of consumption.<sup id="cite_ref-:32_4-0" class="reference"><a href="#cite_note-:32-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Pages: 39–41">: 39–41 </span></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Transmission_and_distribution">Transmission and distribution</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ultra-high-voltage_electricity_transmission_in_China&action=edit&section=2" title="Edit section: Transmission and distribution"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>On the <a href="/wiki/Electric_power_transmission" title="Electric power transmission">transmission</a> and <a href="/wiki/Electricity_distribution" class="mw-redirect" title="Electricity distribution">distribution</a> side, the country has focused on expanding capacity and reducing losses by: </p> <ol><li>deploying long-distance <a href="/wiki/Ultra-high-voltage_direct_current" class="mw-redirect" title="Ultra-high-voltage direct current">ultra-high-voltage direct current</a> (UHVDC) and <a href="/wiki/Ultra-high-voltage_alternating_current" class="mw-redirect" title="Ultra-high-voltage alternating current">ultra-high-voltage alternating current</a> (UHVAC) transmission</li> <li>installing high-efficiency <a href="/wiki/Amorphous_metal_transformer" title="Amorphous metal transformer">amorphous metal transformers</a><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></li></ol> <div class="mw-heading mw-heading2"><h2 id="UHV_transmission_worldwide">UHV transmission worldwide</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ultra-high-voltage_electricity_transmission_in_China&action=edit&section=3" title="Edit section: UHV transmission worldwide"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>UHV transmission and a number of UHVAC circuits have already been constructed in different parts of the world. For example, 2,362 km of 1,150 kV circuits were built in the <a href="/wiki/Former_USSR" class="mw-redirect" title="Former USSR">former USSR</a>, and 427 km of 1,000 kV AC circuits have been developed in Japan (<a href="/wiki/Kita-Iwaki_powerline" title="Kita-Iwaki powerline">Kita-Iwaki powerline</a>). Experimental lines of various scales are also found in many countries.<sup id="cite_ref-Du_7-0" class="reference"><a href="#cite_note-Du-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> However, most of these lines are currently operating at lower voltage due to insufficient power demand or other reasons.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> There are fewer examples of UHVDC. Although there are plenty of ±500 kV (or below) circuits around the world, the only operative circuits above this threshold are the <a href="/wiki/Hydro-Qu%C3%A9bec%27s_electricity_transmission_system" title="Hydro-Québec's electricity transmission system">Hydro-Québec's electricity transmission system</a> at 735 kV AC (since 1965, 11 422 km long in 2018) and <a href="/wiki/HVDC_Itaipu" title="HVDC Itaipu">Itaipu</a> ±600 kV project in <a href="/wiki/Brazil" title="Brazil">Brazil</a>. In Russia, construction work on a 2400 km long bipolar ±750 kV DC line, the <a href="/wiki/HVDC_Ekibastuz%E2%80%93Centre" title="HVDC Ekibastuz–Centre">HVDC Ekibastuz–Centre</a> started in 1978 but it was never finished. In USA at the beginning of the 1970s a 1333 kV powerline was planned from <a href="/wiki/Celilo_Converter_Station" title="Celilo Converter Station">Celilo Converter Station</a> to Hoover Dam. For this purpose a short experimental powerline near Celilo Converter Station was built, but the line to Hoover Dam was never built. </p><p>In 2015, <a href="/wiki/State_Grid_Corporation_of_China" title="State Grid Corporation of China">State Grid Corporation of China</a> proposed the <a href="/wiki/Global_Energy_Interconnection" title="Global Energy Interconnection">Global Energy Interconnection</a>, a long-term proposal to develop globally integrated <a href="/wiki/Smart_grid" title="Smart grid">smart grids</a> and ultra high voltage transmission networks to connect over 80 countries.<sup id="cite_ref-:Curtis&Klaus_10-0" class="reference"><a href="#cite_note-:Curtis&Klaus-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Pages: 92–93">: 92–93 </span></sup> The idea is supported by President <a href="/wiki/Xi_Jinping" title="Xi Jinping">Xi Jinping</a> and China in attempting to develop support in various internal forums, including UN bodies.<sup id="cite_ref-:Curtis&Klaus_10-1" class="reference"><a href="#cite_note-:Curtis&Klaus-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page: 92">: 92 </span></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Reasons_for_UHV_transmission_in_China">Reasons for UHV transmission in China</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ultra-high-voltage_electricity_transmission_in_China&action=edit&section=4" title="Edit section: Reasons for UHV transmission in China"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>China's focus on UHV transmission is based on the fact that energy resources are far away from the load centers.<sup id="cite_ref-:32_4-1" class="reference"><a href="#cite_note-:32-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page: 39">: 39 </span></sup> The majority of the <a href="/wiki/Hydroelectricity" title="Hydroelectricity">hydropower</a> resources are in the west, and <a href="/wiki/Coal" title="Coal">coal</a> is in the northwest, but huge loadings are in the east and south.<sup id="cite_ref-Li_11-0" class="reference"><a href="#cite_note-Li-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Du_7-1" class="reference"><a href="#cite_note-Du-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> To reduce transmission losses to a manageable level, UHV transmission is a logical choice. As the <a href="/wiki/State_Grid_Corporation_of_China" title="State Grid Corporation of China">State Grid Corporation of China</a> announced at the 2009 International Conference on UHV Power Transmission in <a href="/wiki/Beijing" title="Beijing">Beijing</a>, China will invest <a href="/wiki/RMB" class="mw-redirect" title="RMB">RMB</a> 600 billion (approximately US$88 billion) into UHV development between now and 2020.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>Implementation of the UHV grid enables the construction of newer, cleaner, more efficient power generation plants far from population centers. Older power plants along the coast will be retired.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> This will lower the total current amount of pollution, as well as the pollution felt by citizens within urban dwellings. The use of large central power plants providing electric heating are also less polluting than individual boilers used for winter heating in many northern households.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> The UHV grid will aid China's plan of electrification and decarbonization,<sup id="cite_ref-Hudson_15-0" class="reference"><a href="#cite_note-Hudson-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> and enable integration of renewable energy by removing the transmission bottleneck that is currently limiting expansions in wind and solar generation capacity whilst further developing the market for long-range electric vehicles in China.<sup id="cite_ref-Hudson_15-1" class="reference"><a href="#cite_note-Hudson-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="UHV_circuits_completed_or_under_construction">UHV circuits completed or under construction</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ultra-high-voltage_electricity_transmission_in_China&action=edit&section=5" title="Edit section: UHV circuits completed or under construction"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As of 2023, the operational UHV circuits are: </p> <table class="wikitable sortable"> <tbody><tr> <th>Name (Chinese) </th> <th>Type </th> <th>Voltage (kV) </th> <th>Length (km) </th> <th>Power rating (GW) </th> <th>Year Completed </th></tr> <tr> <td>Jindongnan–<a href="/wiki/Nanyang,_Henan" title="Nanyang, Henan">Nanyang</a>–<a href="/wiki/Jingmen" title="Jingmen">Jingmen</a> (晋东南-南阳-荆门) </td> <td>AC </td> <td>1000 </td> <td>654 </td> <td>5.0 </td> <td><span data-sort-value="000000002009-01-01-0000" style="white-space:nowrap">January 2009</span> </td></tr> <tr> <td><a href="/wiki/Yunnan" title="Yunnan">Yunnan</a> - <a href="/wiki/Guangdong" title="Guangdong">Guangdong</a> (云南-广东) </td> <td>HVDC </td> <td>±800 </td> <td>1438 </td> <td>5 </td> <td><span data-sort-value="000000002010-06-01-0000" style="white-space:nowrap">June 2010</span> </td></tr> <tr> <td><a href="/wiki/Xiangjiaba_Dam" title="Xiangjiaba Dam">Xiangjiaba</a>–<a href="/wiki/Shanghai" title="Shanghai">Shanghai</a> (向家坝-上海) </td> <td>HVDC </td> <td>±800 </td> <td>1907 </td> <td>6.4 </td> <td><span data-sort-value="000000002010-07-01-0000" style="white-space:nowrap">July 2010</span> </td></tr> <tr> <td><a href="/wiki/Jingping_I_Dam" class="mw-redirect" title="Jingping I Dam">Jinping</a> – Southern <a href="/wiki/Jiangsu" title="Jiangsu">Jiangsu</a> (锦屏-苏南) </td> <td>HVDC </td> <td>±800 </td> <td>2059 </td> <td>7.2 </td> <td><span data-sort-value="000000002012-12-01-0000" style="white-space:nowrap">December 2012</span> </td></tr> <tr> <td><a href="/wiki/Huainan" title="Huainan">Huainan</a>–<a href="/wiki/Zhejiang" title="Zhejiang">Zhejiang</a> North–<a href="/wiki/Shanghai" title="Shanghai">Shanghai</a> (淮南-浙北-上海) </td> <td>AC </td> <td>1000 </td> <td>2×649 </td> <td>8.0 </td> <td><span data-sort-value="000000002013-09-01-0000" style="white-space:nowrap">September 2013</span> </td></tr> <tr> <td><a href="/wiki/Nuozhadu_Dam" title="Nuozhadu Dam">Nuozadu</a> - <a href="/wiki/Guangdong" title="Guangdong">Guangdong</a> (糯扎渡-广东) </td> <td>HVDC </td> <td>±800 </td> <td>1413 </td> <td>5 </td> <td><span data-sort-value="000000002015-05-01-0000" style="white-space:nowrap">May 2015</span> </td></tr> <tr> <td><a href="/wiki/Hami_City" class="mw-redirect" title="Hami City">Hami</a> – <a href="/wiki/Zhengzhou" title="Zhengzhou">Zhengzhou</a> (哈密-郑州) </td> <td>HVDC </td> <td>±800 </td> <td>2210 </td> <td>8 </td> <td><span data-sort-value="000000002014-01-01-0000" style="white-space:nowrap">January 2014</span> </td></tr> <tr> <td><a href="/wiki/Xiluodu_Dam" title="Xiluodu Dam">Xiluodu</a> - <a href="/wiki/Zhejiang" title="Zhejiang">Zhejiang</a> West (溪洛渡-浙西) </td> <td>HVDC </td> <td>±800 </td> <td>1680 </td> <td>8 </td> <td><span data-sort-value="000000002014-07-01-0000" style="white-space:nowrap">July 2014</span> </td></tr> <tr> <td><a href="/wiki/Zhejiang" title="Zhejiang">Zhejiang</a> North - <a href="/wiki/Fuzhou,_Fujian" class="mw-redirect" title="Fuzhou, Fujian">Fuzhou</a> (浙北-福州) </td> <td>AC </td> <td>1000 </td> <td>2×603 </td> <td>6.8 </td> <td><span data-sort-value="000000002014-12-01-0000" style="white-space:nowrap">December 2014</span> </td></tr> <tr> <td><a href="/wiki/Huainan" title="Huainan">Huainan</a>–<a href="/wiki/Nanjing" title="Nanjing">Nanjing</a>–<a href="/wiki/Shanghai" title="Shanghai">Shanghai</a> (淮南-南京-上海) </td> <td>AC </td> <td>1000 </td> <td>2×780 </td> <td> </td> <td><span data-sort-value="000000002016-11-01-0000" style="white-space:nowrap">November 2016</span> </td></tr> <tr> <td><a href="/wiki/Xilingol_League" title="Xilingol League">Xilingol League</a> - <a href="/wiki/Shandong" title="Shandong">Shandong</a> (锡盟-山东) </td> <td>AC </td> <td>1000 </td> <td>2×730 </td> <td>9 </td> <td><span data-sort-value="000000002016-07-01-0000" style="white-space:nowrap">July 2016</span> </td></tr> <tr> <td><a href="/wiki/Lingwu" title="Lingwu">Lingzhou</a> - <a href="/wiki/Shaoxing" title="Shaoxing">Shaoxing</a> (灵州-绍兴) </td> <td>HVDC </td> <td>±800 </td> <td>1720 </td> <td>8 </td> <td><span data-sort-value="000000002016-09-01-0000" style="white-space:nowrap">September 2016</span> </td></tr> <tr> <td><a href="/wiki/Inner_Mongolia" title="Inner Mongolia">Inner Mongolia</a> West - <a href="/wiki/Tianjin" title="Tianjin">Tianjin</a> (蒙西-天津南) </td> <td>AC </td> <td>1000 </td> <td>2×608 </td> <td>5 </td> <td><span data-sort-value="000000002016-12-01-0000" style="white-space:nowrap">December 2016</span><sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><a href="/wiki/Jiuquan" title="Jiuquan">Jiuquan</a>–<a href="/wiki/Hunan" title="Hunan">Hunan</a> (酒泉-湖南) </td> <td>HVDC </td> <td>±800 </td> <td>2383 </td> <td>8 </td> <td><span data-sort-value="000000002017-06-01-0000" style="white-space:nowrap">June 2017</span> </td></tr> <tr> <td><a href="/wiki/Shanxi" title="Shanxi">Shanxi</a> North–<a href="/wiki/Jiangsu" title="Jiangsu">Jiangsu</a> (晋北-江苏) </td> <td>HVDC </td> <td>±800 </td> <td>1119 </td> <td>8 </td> <td><span data-sort-value="000000002017-07-01-0000" style="white-space:nowrap">July 2017</span> </td></tr> <tr> <td><a href="/wiki/Xilingol_League" title="Xilingol League">Xilingol League</a> - Shengli (锡盟-胜利) </td> <td>AC </td> <td>1000 </td> <td>2x236.8 </td> <td> </td> <td><span data-sort-value="000000002017-08-01-0000" style="white-space:nowrap">August 2017</span> </td></tr> <tr> <td>Yuheng–<a href="/wiki/Weifang" title="Weifang">Weifang</a> (榆横-潍坊) </td> <td>AC </td> <td>1000 </td> <td>2×1050 </td> <td> </td> <td><span data-sort-value="000000002017-08-01-0000" style="white-space:nowrap">August 2017</span> </td></tr> <tr> <td><a href="/wiki/Xilingol_League" title="Xilingol League">Xilingol League</a>–<a href="/wiki/Jiangsu" title="Jiangsu">Jiangsu</a> (锡盟-江苏) </td> <td>HVDC </td> <td>±800 </td> <td>1620 </td> <td>10 </td> <td><span data-sort-value="000000002017-10-01-0000" style="white-space:nowrap">October 2017</span> </td></tr> <tr> <td>Zhalute–Qingzhou (扎鲁特—青州) </td> <td>HVDC </td> <td>±800 </td> <td>1234 </td> <td>10 </td> <td><span data-sort-value="000000002017-12-01-0000" style="white-space:nowrap">December 2017</span> </td></tr> <tr> <td>Shanghaimiao–Linyi (上海庙-临沂) </td> <td>HVDC </td> <td>±800 </td> <td>1238 </td> <td>10 </td> <td><span data-sort-value="000000002017-12-01-0000" style="white-space:nowrap">December 2017</span> </td></tr> <tr> <td>Dianxi-Guangdong (滇西-广东) </td> <td>HVDC </td> <td>±800 </td> <td>1959 </td> <td>5 </td> <td><span data-sort-value="000000002017-12-01-0000" style="white-space:nowrap">December 2017</span> </td></tr> <tr> <td>Zhundong–Wannan (准东-皖南)<sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </td> <td>HVDC </td> <td>±1100 </td> <td>3293 </td> <td>12 </td> <td><span data-sort-value="000000002018-12-01-0000" style="white-space:nowrap">December 2018</span> </td></tr> <tr> <td>Shijiazhuang–Xiong'an (石家庄-雄安) </td> <td>AC </td> <td>1000 </td> <td>2×222.6 </td> <td> </td> <td><span data-sort-value="000000002019-06-01-0000" style="white-space:nowrap">June 2019</span> </td></tr> <tr> <td>Weifang-Linyi-Zaozhuang-Heze-Shijiazhuang (潍坊-临沂-枣庄-菏泽-石家庄) </td> <td>AC </td> <td>1000 </td> <td>2×823.6 </td> <td> </td> <td><span data-sort-value="000000002020-01-01-0000" style="white-space:nowrap">January 2020</span> </td></tr> <tr> <td>Zhangbei-Xiong'an (张北-雄安) </td> <td>AC </td> <td>1000 </td> <td>2×319.9 </td> <td> </td> <td><span data-sort-value="000000002020-08-01-0000" style="white-space:nowrap">August 2020</span> </td></tr> <tr> <td>Mengxi-Jinzhong (蒙西-晋中) </td> <td>AC </td> <td>1000 </td> <td>2x304 </td> <td> </td> <td><span data-sort-value="000000002020-10-01-0000" style="white-space:nowrap">October 2020</span> </td></tr> <tr> <td>Qinghai-Henan (青海-河南) </td> <td>HVDC </td> <td>±800 </td> <td>1587 </td> <td>8 </td> <td><span data-sort-value="000000002020-12-01-0000" style="white-space:nowrap">December 2020</span> </td></tr> <tr> <td>Wudongde-Guangxi-Guangdong (昆柳龙直流工程) </td> <td>HVDC </td> <td>±800 </td> <td>1489 </td> <td>8 </td> <td><span data-sort-value="000000002020-12-01-0000" style="white-space:nowrap">December 2020</span> </td></tr> <tr> <td>Zhangbei-Xiong'an (张北-雄安) </td> <td>AC </td> <td>1000 </td> <td>2×319.9 </td> <td> </td> <td><span data-sort-value="000000002020-12-01-0000" style="white-space:nowrap">December 2020</span> </td></tr> <tr> <td>Zhumadian-Nanyang (驻马店-南阳) </td> <td>AC </td> <td>1000 </td> <td>186.6 </td> <td> </td> <td><span data-sort-value="000000002020-12-01-0000" style="white-space:nowrap">December 2020</span> </td></tr> <tr> <td>Yazhong-Jiangxi (雅中-江西) </td> <td>HVDC </td> <td>±800 </td> <td>1711 </td> <td>8 </td> <td><span data-sort-value="000000002021-06-01-0000" style="white-space:nowrap">June 2021</span> </td></tr> <tr> <td>Shanbei-Hubei (陕北-湖北) </td> <td>HVDC </td> <td>±800 </td> <td>1127 </td> <td> </td> <td><span data-sort-value="000000002021-08-01-0000" style="white-space:nowrap">August 2021</span> </td></tr> <tr> <td>Nanchang-Changsha (南昌-长沙) </td> <td>AC </td> <td>1000 </td> <td>2×341 </td> <td> </td> <td><span data-sort-value="000000002021-12-01-0000" style="white-space:nowrap">December 2021</span> </td></tr> <tr> <td>Baihetan-Jiangsu (白鹤滩-江苏) </td> <td>HVDC </td> <td>±800 </td> <td>2087 </td> <td>8.0 </td> <td><span data-sort-value="000000002022-07-01-0000" style="white-space:nowrap">July 2022</span> </td></tr> <tr> <td>Nanyang-Jingmen-Changsha (南阳-荆门-长沙) </td> <td>AC </td> <td>1000 </td> <td> </td> <td> </td> <td><span data-sort-value="000000002022-10-01-0000" style="white-space:nowrap">October 2022</span> </td></tr> <tr> <td>Wuhan-Jingmen-Changsha (武汉-荆门) </td> <td>AC </td> <td>1000 </td> <td>2x233 </td> <td> </td> <td><span data-sort-value="000000002022-12-01-0000" style="white-space:nowrap">December 2022</span> </td></tr> <tr> <td>Baihetan-Zhejiang (白鹤滩-浙江) </td> <td>HVDC </td> <td>±800 </td> <td>2193 </td> <td>8 </td> <td><span data-sort-value="000000002022-12-01-0000" style="white-space:nowrap">December 2022</span> </td></tr> <tr> <td>Wuhan-Zhumadian (武汉-驻马店) </td> <td>AC </td> <td>1000 </td> <td>2x287 </td> <td> </td> <td><span data-sort-value="000000002023-11-01-0000" style="white-space:nowrap">November 2023</span> </td></tr> <tr> <td>Fuzhou-Xiamen (福州-厦门) </td> <td>AC </td> <td>1000 </td> <td>2x238 </td> <td> </td> <td><span data-sort-value="000000002023-12-01-0000" style="white-space:nowrap">December 2023</span> </td></tr> <tr> <td>Zhangbei-Shengli (张北-胜利) </td> <td>AC </td> <td>1000 </td> <td>2×366 </td> <td> </td> <td><span data-sort-value="000000002024-10-01-0000" style="white-space:nowrap">October 2024</span> <sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td>Wuhan-Nanchang (武汉-南昌) </td> <td>AC </td> <td>1000 </td> <td>2x456.6 </td> <td> </td> <td><span data-sort-value="000000002024-11-01-0000" style="white-space:nowrap">November 2024</span> <sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </td></tr></tbody></table> <p>The under-construction/In preparation UHV lines are: </p> <table class="wikitable sortable"> <tbody><tr> <th>Name (Chinese) </th> <th>Type </th> <th>Voltage (kV) </th> <th>Length (km) </th> <th>Power rating (GW) </th> <th>Year started </th></tr> <tr> <td>Sichuan-Chongqing (四川-重庆)<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </td> <td>AC </td> <td>1000 </td> <td>2x658 </td> <td>24 </td> <td><span data-sort-value="000000002022-09-01-0000" style="white-space:nowrap">September 2022</span> </td></tr> <tr> <td>Jinshang-Hubei (金上-湖北)<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </td> <td>HVDC </td> <td>±800 </td> <td>1901 </td> <td>8 </td> <td><span data-sort-value="000000002023-02-01-0000" style="white-space:nowrap">February 2023</span> </td></tr> <tr> <td>Xaoping-Shandong (陇东-山东) </td> <td>HVDC </td> <td>±800 </td> <td>926 </td> <td>8 </td> <td>March 2023 </td></tr> <tr> <td>Ningxia-Hunan (宁夏-湖南)<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </td> <td>HVDC </td> <td>±800 </td> <td>1634 </td> <td>8 </td> <td>June 2023 </td></tr> <tr> <td>Hami-Chongqing (哈密-重庆)<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> </td> <td>HVDC </td> <td>±800 </td> <td>2290 </td> <td> </td> <td>August 2023 </td></tr> <tr> <td>Shaanbei-Anhui (陕北-安徽)<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </td> <td>HVDC </td> <td>±800 </td> <td>1069 </td> <td>8 </td> <td><span data-sort-value="000000002024-03-01-0000" style="white-space:nowrap">March 2024</span> </td></tr> <tr> <td>Aba-Chengdu East(阿坝-成都东)<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </td> <td>AC </td> <td>1000 </td> <td>2x371.7 </td> <td> </td> <td><span data-sort-value="000000002024-07-01-0000" style="white-space:nowrap">July 2024</span> </td></tr> <tr> <td>Gansu-Zhejiang (甘肃-浙江)<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> </td> <td>HVDC </td> <td>±800 </td> <td>2370 </td> <td>8 </td> <td><span data-sort-value="000000002024-07-01-0000" style="white-space:nowrap">July 2024</span> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ultra-high-voltage_electricity_transmission_in_China&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="mw-image-border noviewer" typeof="mw:File"><span><img alt="flag" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Flag_of_the_People%27s_Republic_of_China.svg/32px-Flag_of_the_People%27s_Republic_of_China.svg.png" decoding="async" width="32" height="21" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Flag_of_the_People%27s_Republic_of_China.svg/48px-Flag_of_the_People%27s_Republic_of_China.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Flag_of_the_People%27s_Republic_of_China.svg/64px-Flag_of_the_People%27s_Republic_of_China.svg.png 2x" data-file-width="900" data-file-height="600" /></span></span></span><span class="portalbox-link"><a href="/wiki/Portal:China" title="Portal:China">China portal</a></span></li><li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Crystal_energy.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Crystal_energy.svg/29px-Crystal_energy.svg.png" decoding="async" width="29" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Crystal_energy.svg/44px-Crystal_energy.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/Crystal_energy.svg/59px-Crystal_energy.svg.png 2x" data-file-width="130" data-file-height="124" /></a></span></span><span class="portalbox-link"><a href="/wiki/Portal:Energy" title="Portal:Energy">Energy portal</a></span></li></ul> <ul><li><a href="/wiki/Southern_Hami%E2%80%93Zhengzhou_UHVDC" title="Southern Hami–Zhengzhou UHVDC">Southern Hami–Zhengzhou UHVDC</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ultra-high-voltage_electricity_transmission_in_China&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width reflist-columns-2"> <ol class="references"> <li id="cite_note-China_Stat-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-China_Stat_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-China_Stat_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration 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