<?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>2026-05-26T12:31:17</CreatedAt>
</DocHeader>
<DocBody>
<DeliveryDate>2026-05-27</DeliveryDate>
<HourlyPriceComponents>
<PricingHour>1</PricingHour>
<ZonalPrice>18.75</ZonalPrice>
<LossPriceCapped>-0.06</LossPriceCapped>
<CongestionPriceCapped>-0.19</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>2</PricingHour>
<ZonalPrice>14.23</ZonalPrice>
<LossPriceCapped>-0.02</LossPriceCapped>
<CongestionPriceCapped>-0.11</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>3</PricingHour>
<ZonalPrice>9.11</ZonalPrice>
<LossPriceCapped>0.01</LossPriceCapped>
<CongestionPriceCapped>-0.01</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>4</PricingHour>
<ZonalPrice>14.12</ZonalPrice>
<LossPriceCapped>0.02</LossPriceCapped>
<CongestionPriceCapped>-0.11</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>5</PricingHour>
<ZonalPrice>14.27</ZonalPrice>
<LossPriceCapped>0.04</LossPriceCapped>
<CongestionPriceCapped>-0.15</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>6</PricingHour>
<ZonalPrice>23.37</ZonalPrice>
<LossPriceCapped>0.06</LossPriceCapped>
<CongestionPriceCapped>2.21</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>7</PricingHour>
<ZonalPrice>40.23</ZonalPrice>
<LossPriceCapped>0.04</LossPriceCapped>
<CongestionPriceCapped>2.14</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>8</PricingHour>
<ZonalPrice>43.85</ZonalPrice>
<LossPriceCapped>0.05</LossPriceCapped>
<CongestionPriceCapped>4.75</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>9</PricingHour>
<ZonalPrice>40.69</ZonalPrice>
<LossPriceCapped>-0.04</LossPriceCapped>
<CongestionPriceCapped>3.7</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>10</PricingHour>
<ZonalPrice>38.5</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>4.14</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>11</PricingHour>
<ZonalPrice>37.34</ZonalPrice>
<LossPriceCapped>-0.08</LossPriceCapped>
<CongestionPriceCapped>5.31</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>12</PricingHour>
<ZonalPrice>37.89</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>5.33</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>13</PricingHour>
<ZonalPrice>39.2</ZonalPrice>
<LossPriceCapped>-0.07</LossPriceCapped>
<CongestionPriceCapped>5.67</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>14</PricingHour>
<ZonalPrice>40.17</ZonalPrice>
<LossPriceCapped>-0.11</LossPriceCapped>
<CongestionPriceCapped>4.08</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>15</PricingHour>
<ZonalPrice>42.48</ZonalPrice>
<LossPriceCapped>-0.16</LossPriceCapped>
<CongestionPriceCapped>4.22</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>16</PricingHour>
<ZonalPrice>49.22</ZonalPrice>
<LossPriceCapped>-0.2</LossPriceCapped>
<CongestionPriceCapped>3.66</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>17</PricingHour>
<ZonalPrice>68.47</ZonalPrice>
<LossPriceCapped>-0.34</LossPriceCapped>
<CongestionPriceCapped>1.97</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>18</PricingHour>
<ZonalPrice>70.01</ZonalPrice>
<LossPriceCapped>-0.29</LossPriceCapped>
<CongestionPriceCapped>2.3</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>19</PricingHour>
<ZonalPrice>72.03</ZonalPrice>
<LossPriceCapped>-0.39</LossPriceCapped>
<CongestionPriceCapped>1.4</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>20</PricingHour>
<ZonalPrice>68.83</ZonalPrice>
<LossPriceCapped>-0.4</LossPriceCapped>
<CongestionPriceCapped>2.16</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>21</PricingHour>
<ZonalPrice>52.4</ZonalPrice>
<LossPriceCapped>-0.27</LossPriceCapped>
<CongestionPriceCapped>3.73</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>22</PricingHour>
<ZonalPrice>39.82</ZonalPrice>
<LossPriceCapped>-0.13</LossPriceCapped>
<CongestionPriceCapped>3.81</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>23</PricingHour>
<ZonalPrice>34.1</ZonalPrice>
<LossPriceCapped>-0.09</LossPriceCapped>
<CongestionPriceCapped>1.18</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
<HourlyPriceComponents>
<PricingHour>24</PricingHour>
<ZonalPrice>24.19</ZonalPrice>
<LossPriceCapped>-0.1</LossPriceCapped>
<CongestionPriceCapped>-0.38</CongestionPriceCapped>
<Flag>DSO-RD</Flag>
</HourlyPriceComponents>
</DocBody>
</Document>
