<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://reports-public.ieso.ca/docrefs/stylesheet/DAHourlyOntarioZonalPrice_HTML_t1-1.xsl" ?>
<Document docID="DAHourlyOntarioZonalPrice" xmlns="http://www.ieso.ca/schema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ieso.ca/schema https://reports-public.ieso.ca/docrefs/schema/DAHourlyOntarioZonalPrice_r1.xsd">
<DocHeader>
<DocTitle>Day Ahead Hourly Ontario Zonal Energy Price Report</DocTitle>
<DocRevision>1</DocRevision>
<DocConfidentiality>
<DocConfClass>PUB</DocConfClass>
</DocConfidentiality>
<CreatedAt>2026-05-10T12:31:14</CreatedAt>
</DocHeader>
<DocBody>
<DeliveryDate>2026-05-11</DeliveryDate>
<HourlyPriceComponents>
<PricingHour>1</PricingHour>
<ZonalPrice>30.7</ZonalPrice>
<LossPriceCapped>-0.1</LossPriceCapped>
<CongestionPriceCapped>-0.42</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>2</PricingHour>
<ZonalPrice>30.13</ZonalPrice>
<LossPriceCapped>-0.04</LossPriceCapped>
<CongestionPriceCapped>-0.7</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>3</PricingHour>
<ZonalPrice>29.93</ZonalPrice>
<LossPriceCapped>-0.03</LossPriceCapped>
<CongestionPriceCapped>0</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>4</PricingHour>
<ZonalPrice>31.7</ZonalPrice>
<LossPriceCapped>0.02</LossPriceCapped>
<CongestionPriceCapped>-0.32</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>5</PricingHour>
<ZonalPrice>37.71</ZonalPrice>
<LossPriceCapped>0.01</LossPriceCapped>
<CongestionPriceCapped>-0.01</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>6</PricingHour>
<ZonalPrice>48.62</ZonalPrice>
<LossPriceCapped>-0.03</LossPriceCapped>
<CongestionPriceCapped>-0.96</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>7</PricingHour>
<ZonalPrice>68.13</ZonalPrice>
<LossPriceCapped>-0.34</LossPriceCapped>
<CongestionPriceCapped>-1.95</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>8</PricingHour>
<ZonalPrice>44.69</ZonalPrice>
<LossPriceCapped>-0.2</LossPriceCapped>
<CongestionPriceCapped>-1.27</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>9</PricingHour>
<ZonalPrice>36.03</ZonalPrice>
<LossPriceCapped>-0.16</LossPriceCapped>
<CongestionPriceCapped>-1.02</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>10</PricingHour>
<ZonalPrice>32.28</ZonalPrice>
<LossPriceCapped>-0.09</LossPriceCapped>
<CongestionPriceCapped>-0.9</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>11</PricingHour>
<ZonalPrice>30.25</ZonalPrice>
<LossPriceCapped>-0.09</LossPriceCapped>
<CongestionPriceCapped>-0.77</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>12</PricingHour>
<ZonalPrice>30.38</ZonalPrice>
<LossPriceCapped>-0.11</LossPriceCapped>
<CongestionPriceCapped>-0.59</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>13</PricingHour>
<ZonalPrice>27.78</ZonalPrice>
<LossPriceCapped>-0.15</LossPriceCapped>
<CongestionPriceCapped>-0.63</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>14</PricingHour>
<ZonalPrice>29.03</ZonalPrice>
<LossPriceCapped>-0.13</LossPriceCapped>
<CongestionPriceCapped>-0.81</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>15</PricingHour>
<ZonalPrice>28.19</ZonalPrice>
<LossPriceCapped>-0.14</LossPriceCapped>
<CongestionPriceCapped>-0.76</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>16</PricingHour>
<ZonalPrice>30.75</ZonalPrice>
<LossPriceCapped>-0.17</LossPriceCapped>
<CongestionPriceCapped>-0.77</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>17</PricingHour>
<ZonalPrice>36.16</ZonalPrice>
<LossPriceCapped>-0.13</LossPriceCapped>
<CongestionPriceCapped>-1.07</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>18</PricingHour>
<ZonalPrice>44.75</ZonalPrice>
<LossPriceCapped>-0.12</LossPriceCapped>
<CongestionPriceCapped>-1.26</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>19</PricingHour>
<ZonalPrice>65.78</ZonalPrice>
<LossPriceCapped>-0.17</LossPriceCapped>
<CongestionPriceCapped>-2.15</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>20</PricingHour>
<ZonalPrice>84.99</ZonalPrice>
<LossPriceCapped>-0.3</LossPriceCapped>
<CongestionPriceCapped>-2.83</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>21</PricingHour>
<ZonalPrice>60.64</ZonalPrice>
<LossPriceCapped>-0.32</LossPriceCapped>
<CongestionPriceCapped>-1.97</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>22</PricingHour>
<ZonalPrice>45.65</ZonalPrice>
<LossPriceCapped>-0.22</LossPriceCapped>
<CongestionPriceCapped>-1.4</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>23</PricingHour>
<ZonalPrice>37.74</ZonalPrice>
<LossPriceCapped>-0.08</LossPriceCapped>
<CongestionPriceCapped>-1.27</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>24</PricingHour>
<ZonalPrice>31.02</ZonalPrice>
<LossPriceCapped>-0.06</LossPriceCapped>
<CongestionPriceCapped>-0.72</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
</DocBody>
</Document>
