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<DocHeader>
<DocTitle>Day Ahead Hourly Ontario Zonal Energy Price Report</DocTitle>
<DocRevision>1</DocRevision>
<DocConfidentiality>
<DocConfClass>PUB</DocConfClass>
</DocConfidentiality>
<CreatedAt>2026-05-20T12:31:11</CreatedAt>
</DocHeader>
<DocBody>
<DeliveryDate>2026-05-21</DeliveryDate>
<HourlyPriceComponents>
<PricingHour>1</PricingHour>
<ZonalPrice>25.09</ZonalPrice>
<LossPriceCapped>-0.1</LossPriceCapped>
<CongestionPriceCapped>-0.71</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>2</PricingHour>
<ZonalPrice>24.49</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>1.49</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>3</PricingHour>
<ZonalPrice>21.74</ZonalPrice>
<LossPriceCapped>-0.09</LossPriceCapped>
<CongestionPriceCapped>0.67</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>4</PricingHour>
<ZonalPrice>24.02</ZonalPrice>
<LossPriceCapped>-0.06</LossPriceCapped>
<CongestionPriceCapped>2.36</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>5</PricingHour>
<ZonalPrice>33.92</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>1.95</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>6</PricingHour>
<ZonalPrice>39.22</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>2.78</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>7</PricingHour>
<ZonalPrice>61.84</ZonalPrice>
<LossPriceCapped>-0.19</LossPriceCapped>
<CongestionPriceCapped>-1.33</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>8</PricingHour>
<ZonalPrice>42.91</ZonalPrice>
<LossPriceCapped>-0.2</LossPriceCapped>
<CongestionPriceCapped>0.65</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>9</PricingHour>
<ZonalPrice>38.44</ZonalPrice>
<LossPriceCapped>-0.19</LossPriceCapped>
<CongestionPriceCapped>0.72</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>10</PricingHour>
<ZonalPrice>33.37</ZonalPrice>
<LossPriceCapped>-0.15</LossPriceCapped>
<CongestionPriceCapped>1.29</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>11</PricingHour>
<ZonalPrice>30.2</ZonalPrice>
<LossPriceCapped>-0.14</LossPriceCapped>
<CongestionPriceCapped>1.18</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>12</PricingHour>
<ZonalPrice>30.36</ZonalPrice>
<LossPriceCapped>-0.15</LossPriceCapped>
<CongestionPriceCapped>1.26</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>13</PricingHour>
<ZonalPrice>29.35</ZonalPrice>
<LossPriceCapped>-0.2</LossPriceCapped>
<CongestionPriceCapped>1.1</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>14</PricingHour>
<ZonalPrice>25.93</ZonalPrice>
<LossPriceCapped>-0.17</LossPriceCapped>
<CongestionPriceCapped>0.81</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>15</PricingHour>
<ZonalPrice>30.17</ZonalPrice>
<LossPriceCapped>-0.22</LossPriceCapped>
<CongestionPriceCapped>1.43</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>16</PricingHour>
<ZonalPrice>30.57</ZonalPrice>
<LossPriceCapped>-0.25</LossPriceCapped>
<CongestionPriceCapped>1.72</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>17</PricingHour>
<ZonalPrice>36.17</ZonalPrice>
<LossPriceCapped>-0.29</LossPriceCapped>
<CongestionPriceCapped>1.49</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>18</PricingHour>
<ZonalPrice>44.56</ZonalPrice>
<LossPriceCapped>-0.44</LossPriceCapped>
<CongestionPriceCapped>-0.35</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>19</PricingHour>
<ZonalPrice>56.37</ZonalPrice>
<LossPriceCapped>-0.51</LossPriceCapped>
<CongestionPriceCapped>1.68</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>20</PricingHour>
<ZonalPrice>60.37</ZonalPrice>
<LossPriceCapped>-0.58</LossPriceCapped>
<CongestionPriceCapped>1.01</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>21</PricingHour>
<ZonalPrice>51.81</ZonalPrice>
<LossPriceCapped>-0.44</LossPriceCapped>
<CongestionPriceCapped>0.82</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>22</PricingHour>
<ZonalPrice>34.31</ZonalPrice>
<LossPriceCapped>-0.27</LossPriceCapped>
<CongestionPriceCapped>0.01</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>23</PricingHour>
<ZonalPrice>29.24</ZonalPrice>
<LossPriceCapped>-0.19</LossPriceCapped>
<CongestionPriceCapped>-0.53</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>24</PricingHour>
<ZonalPrice>22.68</ZonalPrice>
<LossPriceCapped>-0.14</LossPriceCapped>
<CongestionPriceCapped>-0.48</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
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