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<p>.</p><p>Nuclear power continues to be an important and proven source of reliable, clean energy, and as a result of this strong baseload provision, we have been able to move faster on a number of our key net zero objectives.</p><p> </p><p>A proportion of the nuclear generating capacity is likely to be unavailable at any given point due to routine inspections, maintenance, energy systems management and technical issues. A certain level of outage is to be expected and demonstrative of a very well regulated and safe technology.</p><p> </p><p>In 2021, nuclear power stations generated 46 TWh of electricity which was 15% of the electricity generated in the UK. The UK’s Advanced Gas Cooled Reactor Fleet is ageing and has performed beyond original expectations providing extra years of generation.</p><p> </p><p>In addition to the AGR fleet, Sizewell B will continue operating until at least 2035 and we have set out our ambition for a new generation of nuclear power stations, providing up to 24GW of electricity by 2050. The new reactor designs are very efficient. This includes new large-scale nuclear power stations like Hinkley Point C which alone will provide 3.2GW for around 60 years, and the next generation of small and advanced reactors are expected to be more efficient.</p><p><strong> </strong></p><p><strong> </strong></p><p><strong> </strong></p><p><strong>2010 – 2023 (June): Annual number of outages and non-operational days at UK nuclear power stations </strong></p><p> </p><table><tbody><tr><td><p> </p></td><td colspan="2"><p><strong>Dungeness B R21</strong></p></td><td colspan="2"><p><strong>Dungeness B R22</strong></p></td><td colspan="2"><p><strong>Hartlepool R1</strong></p></td><td colspan="2"><p><strong>Hartlepool R2</strong></p></td><td colspan="2"><p><strong>Heysham 1 R1</strong></p></td><td colspan="2"><p><strong>Heysham 1 R2</strong></p></td><td colspan="2"><p><strong>Heysham 2 R7</strong></p></td><td colspan="2"><p><strong>Heysham 2 R8</strong></p></td></tr><tr><td><p> </p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td></tr><tr><td><p>2010</p></td><td><p>0</p></td><td><p>230</p></td><td><p>4</p></td><td><p>101</p></td><td><p>3</p></td><td><p>49</p></td><td><p>3</p></td><td><p>86</p></td><td><p>2</p></td><td><p>152</p></td><td><p>3</p></td><td><p>119</p></td><td><p>1</p></td><td><p>5</p></td><td><p>1</p></td><td><p>251</p></td></tr><tr><td><p>2011</p></td><td><p>4</p></td><td><p>260</p></td><td><p>3</p></td><td><p>249</p></td><td><p>6</p></td><td><p>129</p></td><td><p>2</p></td><td><p>50</p></td><td><p>2</p></td><td><p>22</p></td><td><p>4</p></td><td><p>24</p></td><td><p>2</p></td><td><p>82</p></td><td><p>3</p></td><td><p>32</p></td></tr><tr><td><p>2012</p></td><td><p>5</p></td><td><p>172</p></td><td><p>2</p></td><td><p>181</p></td><td><p>3</p></td><td><p>47</p></td><td><p>2</p></td><td><p>37</p></td><td><p>4</p></td><td><p>71</p></td><td><p>5</p></td><td><p>133</p></td><td><p>4</p></td><td><p>63</p></td><td><p>0</p></td><td><p>0</p></td></tr><tr><td><p>2013</p></td><td><p>5</p></td><td><p>102</p></td><td><p>8</p></td><td><p>182</p></td><td><p>4</p></td><td><p>48</p></td><td><p>4</p></td><td><p>133</p></td><td><p>2</p></td><td><p>141</p></td><td><p>7</p></td><td><p>50</p></td><td><p>1</p></td><td><p>28</p></td><td><p>2</p></td><td><p>74</p></td></tr><tr><td><p>2014</p></td><td><p>9</p></td><td><p>179</p></td><td><p>6</p></td><td><p>106</p></td><td><p>3</p></td><td><p>122</p></td><td><p>4</p></td><td><p>144</p></td><td><p>3</p></td><td><p>246</p></td><td><p>3</p></td><td><p>138</p></td><td><p>0</p></td><td><p>0</p></td><td><p>1</p></td><td><p>1</p></td></tr><tr><td><p>2015</p></td><td><p>4</p></td><td><p>44</p></td><td><p>3</p></td><td><p>129</p></td><td><p>2</p></td><td><p>79</p></td><td><p>4</p></td><td><p>79</p></td><td><p>3</p></td><td><p>77</p></td><td><p>2</p></td><td><p>136</p></td><td><p>2</p></td><td><p>70</p></td><td><p>0</p></td><td><p>0</p></td></tr><tr><td><p>2016</p></td><td><p>4</p></td><td><p>41</p></td><td><p>7</p></td><td><p>57</p></td><td><p>5</p></td><td><p>132</p></td><td><p>3</p></td><td><p>79</p></td><td><p>2</p></td><td><p>46</p></td><td><p>3</p></td><td><p>47</p></td><td><p>0</p></td><td><p>0</p></td><td><p>1</p></td><td><p>65</p></td></tr><tr><td><p>2017</p></td><td><p>6</p></td><td><p>153</p></td><td><p>5</p></td><td><p>92</p></td><td><p>2</p></td><td><p>26</p></td><td><p>4</p></td><td><p>29</p></td><td><p>2</p></td><td><p>98</p></td><td><p>3</p></td><td><p>75</p></td><td><p>3</p></td><td><p>9</p></td><td><p>0</p></td><td><p>0</p></td></tr><tr><td><p>2018</p></td><td><p>4</p></td><td><p>127</p></td><td><p>3</p></td><td><p>140</p></td><td><p>2</p></td><td><p>109</p></td><td><p>3</p></td><td><p>29</p></td><td><p>3</p></td><td><p>31</p></td><td><p>1</p></td><td><p>71</p></td><td><p>3</p></td><td><p>89</p></td><td><p>1</p></td><td><p>4</p></td></tr><tr><td><p>2019</p></td><td><p>0</p></td><td><p>365</p></td><td><p>0</p></td><td><p>365</p></td><td><p>6</p></td><td><p>41</p></td><td><p>3</p></td><td><p>117</p></td><td><p>2</p></td><td><p>39</p></td><td><p>5</p></td><td><p>86</p></td><td><p>0</p></td><td><p>0</p></td><td><p>2</p></td><td><p>5</p></td></tr><tr><td><p>2020</p></td><td><p>0</p></td><td><p>366</p></td><td><p>0</p></td><td><p>366</p></td><td><p>2</p></td><td><p>29</p></td><td><p>3</p></td><td><p>62</p></td><td><p>3</p></td><td><p>130</p></td><td><p>3</p></td><td><p>71</p></td><td><p>1</p></td><td><p>9</p></td><td><p>2</p></td><td><p>82</p></td></tr><tr><td><p>2021</p></td><td><p>0</p></td><td><p>365</p></td><td><p>0</p></td><td><p>365</p></td><td><p>2</p></td><td><p>114</p></td><td><p>3</p></td><td><p>135</p></td><td><p>4</p></td><td><p>129</p></td><td><p>6</p></td><td><p>95</p></td><td><p>3</p></td><td><p>193</p></td><td><p>5</p></td><td><p>65</p></td></tr><tr><td><p>2022</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>2</p></td><td><p>82</p></td><td><p>2</p></td><td><p>53</p></td><td><p>2</p></td><td><p>57</p></td><td><p>2</p></td><td><p>122</p></td><td><p>5</p></td><td><p>109</p></td><td><p>3</p></td><td><p>63</p></td></tr><tr><td><p>2023</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>2</p></td><td><p>20</p></td><td><p>2</p></td><td><p>20</p></td><td><p>1</p></td><td><p>14</p></td><td><p>1</p></td><td><p>24</p></td><td><p>2</p></td><td><p>22</p></td><td><p>2</p></td><td><p>96</p></td></tr></tbody></table><p> </p><table><tbody><tr><td><p> </p></td><td colspan="2"><p><strong>Hinkley Point B R3</strong></p></td><td colspan="2"><p><strong>Hinkley Point B R4</strong></p></td><td colspan="2"><p><strong>Hunterston B R3</strong></p></td><td colspan="2"><p><strong>Hunterston B R4</strong></p></td><td colspan="2"><p><strong>Torness R1</strong></p></td><td colspan="2"><p><strong>Torness R2</strong></p></td><td colspan="2"><p><strong>Sizewell B R1</strong></p></td></tr><tr><td><p> </p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td><td><p>Outages</p></td><td><p>Days non operational</p></td></tr><tr><td><p>2010</p></td><td><p>2</p></td><td><p>54</p></td><td><p>4</p></td><td><p>44</p></td><td><p>2</p></td><td><p>14</p></td><td><p>2</p></td><td><p>15</p></td><td><p>1</p></td><td><p>36</p></td><td><p>5</p></td><td><p>143</p></td><td><p>1</p></td><td><p>196</p></td></tr><tr><td><p>2011</p></td><td><p>2</p></td><td><p>36</p></td><td><p>3</p></td><td><p>90</p></td><td><p>3</p></td><td><p>42</p></td><td><p>4</p></td><td><p>19</p></td><td><p>2</p></td><td><p>64</p></td><td><p>4</p></td><td><p>13</p></td><td><p>2</p></td><td><p>53</p></td></tr><tr><td><p>2012</p></td><td><p>4</p></td><td><p>86</p></td><td><p>3</p></td><td><p>20</p></td><td><p>1</p></td><td><p>60</p></td><td><p>2</p></td><td><p>88</p></td><td><p>0</p></td><td><p>0</p></td><td><p>0</p></td><td><p>0</p></td><td><p>4</p></td><td><p>83</p></td></tr><tr><td><p>2013</p></td><td><p>1</p></td><td><p>9</p></td><td><p>1</p></td><td><p>23</p></td><td><p>0</p></td><td><p>0</p></td><td><p>4</p></td><td><p>17</p></td><td><p>1</p></td><td><p>48</p></td><td><p>1</p></td><td><p>12</p></td><td><p>1</p></td><td><p>47</p></td></tr><tr><td><p>2014</p></td><td><p>1</p></td><td><p>33</p></td><td><p>0</p></td><td><p>0</p></td><td><p>3</p></td><td><p>25</p></td><td><p>3</p></td><td><p>18</p></td><td><p>3</p></td><td><p>109</p></td><td><p>3</p></td><td><p>79</p></td><td><p>1</p></td><td><p>46</p></td></tr><tr><td><p>2015</p></td><td><p>1</p></td><td><p>6</p></td><td><p>1</p></td><td><p>85</p></td><td><p>3</p></td><td><p>69</p></td><td><p>2</p></td><td><p>86</p></td><td><p>1</p></td><td><p>4</p></td><td><p>0</p></td><td><p>0</p></td><td><p>0</p></td><td><p>0</p></td></tr><tr><td><p>2016</p></td><td><p>4</p></td><td><p>77</p></td><td><p>1</p></td><td><p>6</p></td><td><p>3</p></td><td><p>27</p></td><td><p>1</p></td><td><p>1</p></td><td><p>1</p></td><td><p>16</p></td><td><p>1</p></td><td><p>4</p></td><td><p>1</p></td><td><p>62</p></td></tr><tr><td><p>2017</p></td><td><p>3</p></td><td><p>28</p></td><td><p>3</p></td><td><p>51</p></td><td><p>2</p></td><td><p>27</p></td><td><p>1</p></td><td><p>2</p></td><td><p>1</p></td><td><p>65</p></td><td><p>1</p></td><td><p>63</p></td><td><p>1</p></td><td><p>58</p></td></tr><tr><td><p>2018</p></td><td><p>2</p></td><td><p>18</p></td><td><p>1</p></td><td><p>64</p></td><td><p>3</p></td><td><p>301</p></td><td><p>5</p></td><td><p>86</p></td><td><p>1</p></td><td><p>90</p></td><td><p>2</p></td><td><p>4</p></td><td><p>0</p></td><td><p>30</p></td></tr><tr><td><p>2019</p></td><td><p>2</p></td><td><p>96</p></td><td><p>1</p></td><td><p>3</p></td><td><p>0</p></td><td><p>365</p></td><td><p>0</p></td><td><p>0</p></td><td><p>1</p></td><td><p>257</p></td><td><p>0</p></td><td><p>0</p></td><td><p>1</p></td><td><p>65</p></td></tr><tr><td><p>2020</p></td><td><p>2</p></td><td><p>248</p></td><td><p>1</p></td><td><p>314</p></td><td><p>0</p></td><td><p>243</p></td><td><p>1</p></td><td><p>6</p></td><td><p>0</p></td><td><p>271</p></td><td><p>0</p></td><td><p>0</p></td><td><p>1</p></td><td><p>2</p></td></tr><tr><td><p>2021</p></td><td><p>2</p></td><td><p>147</p></td><td><p>1</p></td><td><p>130</p></td><td><p>2</p></td><td><p>64</p></td><td><p>4</p></td><td><p>72</p></td><td><p>2</p></td><td><p>71</p></td><td><p>4</p></td><td><p>142</p></td><td><p>1</p></td><td><p>127</p></td></tr><tr><td><p>2022</p></td><td><p>3</p></td><td><p>19</p></td><td><p>1</p></td><td><p>11</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>0</p></td><td><p>0</p></td><td><p>4</p></td><td><p>81</p></td><td><p>3</p></td><td><p>115</p></td><td><p>1</p></td><td><p>4</p></td></tr><tr><td><p>2023</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>N/A</p></td><td><p>2</p></td><td><p>40</p></td><td><p>3</p></td><td><p>32</p></td><td><p>1</p></td><td><p>91</p></td></tr><tr><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td><td><p> </p></td></tr></tbody></table><p>Notes on Table</p><ul><li>Days non-operational represents days where a reactor did not generate at all during a day.</li><li>If output in a day is greater than 0, then the day is counted as an operational day.</li><li>Outages represent the number of occurrences where a reactor was non-operational.</li><li>2023 is until June 2023 only.</li><li>Dungeness moved into its defueling phase in June 2021, having been in an extended outage since September 2018</li><li>N/A means not available due to no longer generating and transitioning to defueling as planned.</li></ul>
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Department for Energy Security and Net Zero
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Department for Energy Security and Net Zero
Department for Energy Security and Net Zero
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P2hxzI0O
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P2hxzI0O
5LRKRfqk
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P2hxzI0O
Andrew Campbell Bowie
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