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<DocHeader>
<DocTitle>Day Ahead Hourly Ontario Zonal Energy Price Report</DocTitle>
<DocRevision>1</DocRevision>
<DocConfidentiality>
<DocConfClass>PUB</DocConfClass>
</DocConfidentiality>
<CreatedAt>2026-05-16T12:31:18</CreatedAt>
</DocHeader>
<DocBody>
<DeliveryDate>2026-05-17</DeliveryDate>
<HourlyPriceComponents>
<PricingHour>1</PricingHour>
<ZonalPrice>14.19</ZonalPrice>
<LossPriceCapped>-0.03</LossPriceCapped>
<CongestionPriceCapped>-0.45</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>2</PricingHour>
<ZonalPrice>13.82</ZonalPrice>
<LossPriceCapped>0</LossPriceCapped>
<CongestionPriceCapped>-0.56</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>3</PricingHour>
<ZonalPrice>13.28</ZonalPrice>
<LossPriceCapped>0.02</LossPriceCapped>
<CongestionPriceCapped>0.17</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>4</PricingHour>
<ZonalPrice>15.04</ZonalPrice>
<LossPriceCapped>0.04</LossPriceCapped>
<CongestionPriceCapped>0.46</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>5</PricingHour>
<ZonalPrice>14.73</ZonalPrice>
<LossPriceCapped>0.04</LossPriceCapped>
<CongestionPriceCapped>0.16</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>6</PricingHour>
<ZonalPrice>16.32</ZonalPrice>
<LossPriceCapped>0.03</LossPriceCapped>
<CongestionPriceCapped>0.07</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>7</PricingHour>
<ZonalPrice>22.65</ZonalPrice>
<LossPriceCapped>0.04</LossPriceCapped>
<CongestionPriceCapped>-0.06</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>8</PricingHour>
<ZonalPrice>26.3</ZonalPrice>
<LossPriceCapped>-0.01</LossPriceCapped>
<CongestionPriceCapped>-1.05</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>9</PricingHour>
<ZonalPrice>26.15</ZonalPrice>
<LossPriceCapped>-0.08</LossPriceCapped>
<CongestionPriceCapped>-1.11</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>10</PricingHour>
<ZonalPrice>27.25</ZonalPrice>
<LossPriceCapped>-0.09</LossPriceCapped>
<CongestionPriceCapped>-1.05</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>11</PricingHour>
<ZonalPrice>30.79</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>-1.2</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>12</PricingHour>
<ZonalPrice>26.33</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>-1.03</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>13</PricingHour>
<ZonalPrice>31.37</ZonalPrice>
<LossPriceCapped>-0.04</LossPriceCapped>
<CongestionPriceCapped>-1.16</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>14</PricingHour>
<ZonalPrice>31.54</ZonalPrice>
<LossPriceCapped>-0.03</LossPriceCapped>
<CongestionPriceCapped>-1.15</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>15</PricingHour>
<ZonalPrice>31.48</ZonalPrice>
<LossPriceCapped>-0.06</LossPriceCapped>
<CongestionPriceCapped>-1.12</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>16</PricingHour>
<ZonalPrice>34.08</ZonalPrice>
<LossPriceCapped>-0.12</LossPriceCapped>
<CongestionPriceCapped>-1.29</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>17</PricingHour>
<ZonalPrice>45.14</ZonalPrice>
<LossPriceCapped>-0.13</LossPriceCapped>
<CongestionPriceCapped>-1.86</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>18</PricingHour>
<ZonalPrice>56.36</ZonalPrice>
<LossPriceCapped>-0.25</LossPriceCapped>
<CongestionPriceCapped>-2.39</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>19</PricingHour>
<ZonalPrice>71.38</ZonalPrice>
<LossPriceCapped>-0.23</LossPriceCapped>
<CongestionPriceCapped>-2.87</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>20</PricingHour>
<ZonalPrice>75.52</ZonalPrice>
<LossPriceCapped>-0.28</LossPriceCapped>
<CongestionPriceCapped>-3.05</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>21</PricingHour>
<ZonalPrice>55.84</ZonalPrice>
<LossPriceCapped>-0.22</LossPriceCapped>
<CongestionPriceCapped>-2.35</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>22</PricingHour>
<ZonalPrice>36.29</ZonalPrice>
<LossPriceCapped>-0.16</LossPriceCapped>
<CongestionPriceCapped>-1.56</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>23</PricingHour>
<ZonalPrice>31.58</ZonalPrice>
<LossPriceCapped>-0.03</LossPriceCapped>
<CongestionPriceCapped>-1.49</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>24</PricingHour>
<ZonalPrice>16.71</ZonalPrice>
<LossPriceCapped>-0.05</LossPriceCapped>
<CongestionPriceCapped>-0.72</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
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