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<DocHeader>
<DocTitle>Day Ahead Hourly Ontario Zonal Energy Price Report</DocTitle>
<DocRevision>1</DocRevision>
<DocConfidentiality>
<DocConfClass>PUB</DocConfClass>
</DocConfidentiality>
<CreatedAt>2026-06-03T12:31:13</CreatedAt>
</DocHeader>
<DocBody>
<DeliveryDate>2026-06-04</DeliveryDate>
<HourlyPriceComponents>
<PricingHour>1</PricingHour>
<ZonalPrice>22.24</ZonalPrice>
<LossPriceCapped>0.03</LossPriceCapped>
<CongestionPriceCapped>-0.29</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>2</PricingHour>
<ZonalPrice>17.99</ZonalPrice>
<LossPriceCapped>0.06</LossPriceCapped>
<CongestionPriceCapped>-0.09</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>3</PricingHour>
<ZonalPrice>15.78</ZonalPrice>
<LossPriceCapped>0.07</LossPriceCapped>
<CongestionPriceCapped>-0.04</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>4</PricingHour>
<ZonalPrice>14.6</ZonalPrice>
<LossPriceCapped>0.07</LossPriceCapped>
<CongestionPriceCapped>-0.01</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>5</PricingHour>
<ZonalPrice>15.68</ZonalPrice>
<LossPriceCapped>0.08</LossPriceCapped>
<CongestionPriceCapped>-0.14</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>6</PricingHour>
<ZonalPrice>30.7</ZonalPrice>
<LossPriceCapped>0.13</LossPriceCapped>
<CongestionPriceCapped>-0.43</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>7</PricingHour>
<ZonalPrice>33.78</ZonalPrice>
<LossPriceCapped>0</LossPriceCapped>
<CongestionPriceCapped>-0.25</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>8</PricingHour>
<ZonalPrice>32.85</ZonalPrice>
<LossPriceCapped>-0.08</LossPriceCapped>
<CongestionPriceCapped>-0.07</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>9</PricingHour>
<ZonalPrice>33.37</ZonalPrice>
<LossPriceCapped>-0.09</LossPriceCapped>
<CongestionPriceCapped>-0.46</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>10</PricingHour>
<ZonalPrice>36.97</ZonalPrice>
<LossPriceCapped>-0.11</LossPriceCapped>
<CongestionPriceCapped>-0.53</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>11</PricingHour>
<ZonalPrice>37.57</ZonalPrice>
<LossPriceCapped>-0.12</LossPriceCapped>
<CongestionPriceCapped>-0.5</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>12</PricingHour>
<ZonalPrice>37.01</ZonalPrice>
<LossPriceCapped>-0.12</LossPriceCapped>
<CongestionPriceCapped>-0.51</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>13</PricingHour>
<ZonalPrice>38.74</ZonalPrice>
<LossPriceCapped>-0.2</LossPriceCapped>
<CongestionPriceCapped>-0.52</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>14</PricingHour>
<ZonalPrice>39.53</ZonalPrice>
<LossPriceCapped>-0.2</LossPriceCapped>
<CongestionPriceCapped>-0.55</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>15</PricingHour>
<ZonalPrice>44</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>-0.54</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>16</PricingHour>
<ZonalPrice>50.86</ZonalPrice>
<LossPriceCapped>-0.12</LossPriceCapped>
<CongestionPriceCapped>-0.63</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>17</PricingHour>
<ZonalPrice>62.79</ZonalPrice>
<LossPriceCapped>-0.34</LossPriceCapped>
<CongestionPriceCapped>-1.03</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>18</PricingHour>
<ZonalPrice>76.63</ZonalPrice>
<LossPriceCapped>-0.51</LossPriceCapped>
<CongestionPriceCapped>-0.99</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>19</PricingHour>
<ZonalPrice>87.6</ZonalPrice>
<LossPriceCapped>-0.49</LossPriceCapped>
<CongestionPriceCapped>-1.11</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>20</PricingHour>
<ZonalPrice>82.93</ZonalPrice>
<LossPriceCapped>-0.38</LossPriceCapped>
<CongestionPriceCapped>-1.1</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>21</PricingHour>
<ZonalPrice>62.34</ZonalPrice>
<LossPriceCapped>-0.2</LossPriceCapped>
<CongestionPriceCapped>-0.85</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>22</PricingHour>
<ZonalPrice>43.15</ZonalPrice>
<LossPriceCapped>-0.14</LossPriceCapped>
<CongestionPriceCapped>-0.6</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>23</PricingHour>
<ZonalPrice>36.73</ZonalPrice>
<LossPriceCapped>-0.03</LossPriceCapped>
<CongestionPriceCapped>-0.51</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>24</PricingHour>
<ZonalPrice>31.46</ZonalPrice>
<LossPriceCapped>-0.01</LossPriceCapped>
<CongestionPriceCapped>-0.43</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
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