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border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 20px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 84px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:84px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td colspan="24"  style="width: 531px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:531px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;June 30, 2013&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 84px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:84px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td colspan="2"  style="width: 59px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:59px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Duke Energy&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 59px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:59px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Duke Energy Carolinas&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 20px; 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border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 59px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:59px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Duke Energy Ohio&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;(f)&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 59px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:59px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Duke Energy Indiana&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;(g)&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="3"  style="width: 116px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:116px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Capacity (in MW)&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 3,244&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 200&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 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border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:116px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Remaining net book value (in millions)&lt;/font&gt;&lt;sup&gt;(a)&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 326&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 15&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 20px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 173&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 61&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 20px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 112&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 11&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:10px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 49px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:49px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 127&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 11px"&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 84px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:84px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;(a)&lt;/font&gt;&lt;/td&gt;&lt;td colspan="26"  style="width: 627px; text-align:left;border-color:#000000;min-width:627px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Included in Property, plant and equipment, net as of June 30, 2013, on the Condensed Consolidated Balance Sheets, unless otherwise noted.&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;(b) &lt;/font&gt;&lt;/td&gt;&lt;td colspan="26"  style="width: 627px; text-align:left;border-color:#000000;min-width:627px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Includes Lee Units 1 and 2. Excludes 170 MW Lee Unit 3 that is expected to be converted to gas in 2014. &lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;(c) &lt;/font&gt;&lt;/td&gt;&lt;td colspan="26"  style="width: 627px; text-align:left;border-color:#000000;min-width:627px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Includes Sutton Station, which is expected to be retired by the end of 2013.&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;(d)&lt;/font&gt;&lt;/td&gt;&lt;td colspan="26"  style="width: 627px; text-align:left;border-color:#000000;min-width:627px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Includes Crystal River Units 1 and 2.&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;(e)&lt;/font&gt;&lt;/td&gt;&lt;td colspan="26"  style="width: 627px; text-align:left;border-color:#000000;min-width:627px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Remaining net book value of Duke Energy Progress' Sutton Station is included in Generation facilities to be retired, net, on the Condensed Consolidated Balance Sheets at June 30, 2013.&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;(f)&lt;/font&gt;&lt;/td&gt;&lt;td colspan="26"  style="width: 627px; text-align:left;border-color:#000000;min-width:627px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Includes Beckjord Station Units 2 through 6 and Miami Fort Unit 6. Beckjord has no remaining book value. &lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;(g)&lt;/font&gt;&lt;/td&gt;&lt;td colspan="26"  style="width: 627px; text-align:left;border-color:#000000;min-width:627px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Includes Wabash River Units 2 through 6. Wabash River Unit 6 is being evaluated for potential conversion to gas.&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 84px; text-align:left;border-color:#000000;min-width:84px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 9px; text-align:left;border-color:#000000;min-width:9px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 10px; text-align:right;border-color:#000000;min-width:10px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 49px; text-align:left;border-color:#000000;min-width:49px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="27"  style="width: 647px; text-align:left;border-color:#000000;min-width:647px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Duke Energy continues to evaluate the potential need to retire these coal-fired generating facilities earlier than the current estimated useful lives, and plans to seek regulatory recovery for amounts that would not be otherwise recovered when any of these assets are retired. 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border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 447px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:447px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:60px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 467px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:467px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;(in millions)&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 110px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:110px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;June 30, 2013&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 467px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:467px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;Historical net book value&lt;/font&gt;&lt;sup&gt;(a)&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 1,036&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 467px; text-align:left;border-color:#000000;min-width:467px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;Operating expense deferrals&lt;/font&gt;&lt;sup&gt;(b)&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; text-align:right;border-color:#000000;min-width:60px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 96&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 467px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:467px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Carrying charges&lt;/font&gt;&lt;sup&gt;(c)&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 33&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 467px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:467px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Amount subject to cost cap&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:60px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 1,165&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 467px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:467px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Uprate and dry cask storage projects&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 332&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 467px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:467px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;Total regulatory asset&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:60px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 1,497&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 447px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:447px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:60px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;(a)&lt;/font&gt;&lt;/td&gt;&lt;td colspan="5"  style="width: 652px; text-align:left;border-color:#000000;min-width:652px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;Includes amounts previously classified as plant in service, construction work in process, nuclear fuel and materials and supplies inventory.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;(b)&lt;/font&gt;&lt;/td&gt;&lt;td colspan="5"  style="width: 652px; text-align:left;border-color:#000000;min-width:652px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;Includes operations and maintenance, property taxes and depreciation.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;(c)&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 447px; text-align:left;border-color:#000000;min-width:447px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;See discussion under Customer Rate Matters section below.&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; text-align:left;border-color:#000000;min-width:60px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 447px; text-align:left;border-color:#000000;min-width:447px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 60px; text-align:right;border-color:#000000;min-width:60px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>Tabular disclosure of the components of regulatory asset recorded for Crystal River Unit 3.</ElementDefenition><ElementReferences>No definition available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Schedule of Crystal River Unit 3 Regulatory Asset</Label></Row><Row FlagID="0"><Id>4</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>4</Level><ElementName>duk_ScheduleOfCustomerRefundsTableTextBlock</ElementName><ElementPrefix>duk_</ElementPrefix><IsBaseElement>false</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>terseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="FROM_Jan01_2013_TO_Jun30_2013_dei_LegalEntityAxis_DukeEnergyFloridaMember" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div&gt;&lt;table style="border-collapse:collapse;margin-top:20px;"&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 220px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:220px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td colspan="17"  style="width: 432px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:432px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;June 30, 2013&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 220px; text-align:left;border-color:#000000;min-width:220px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="11"  style="width: 284px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:284px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: center;"&gt;Remaining Amount to be Refunded&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:240px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;(in millions)&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td colspan="2"  style="width: 62px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Total&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 62px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Refunded to date&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 62px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;2013&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 62px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;2014&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 62px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;2015&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 62px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;2016&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 240px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:240px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;2012 Settlement refund&lt;/font&gt;&lt;sup&gt;(a)&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 288&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 65&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 64&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 139&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 10&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 10&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 240px; text-align:left;border-color:#000000;min-width:240px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Retirement decision refund&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 100&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; &amp;#8213;&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; &amp;#8213;&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; &amp;#8213;&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 40&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 60&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:240px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;NEIL proceeds&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 490&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 163&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 163&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 164&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; &amp;#8213;&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; &amp;#8213;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 240px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:240px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Total customer refunds&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 878&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 228&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 227&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 303&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 50&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 70&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 240px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:240px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Accelerated regulatory asset recovery&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; (135)&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; &amp;#8213;&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; &amp;#8213;&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; (38)&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; (38)&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; (59)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 240px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:240px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: left;"&gt;Net customer refunds&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 743&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 228&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 227&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 265&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 12&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt; 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December 31, 2012&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 70px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:70px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Provision /
Adjustments&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 70px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:70px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Cash
Reductions&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="2"  style="width: 117px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:117px;"&gt;&lt;font style="FONT-WEIGHT: bold;FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;Balance at
June 30, 2013&lt;/font&gt;&lt;sup&gt;(a)&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td colspan="2"  style="width: 163px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:163px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;Duke Energy Ohio&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 67px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:67px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 97&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 2&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; (2)&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 67px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:67px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;TEXT-ALIGN: right;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt; 97&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 15px"&gt;&lt;td   style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 143px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:143px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 67px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:67px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 45px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:45px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 20px; 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border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"&gt;&amp;#160;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 13px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;(a)&lt;/font&gt;&lt;/td&gt;&lt;td colspan="12"  style="width: 652px; text-align:left;border-color:#000000;min-width:652px;"&gt;&lt;font style="FONT-FAMILY: Arial;FONT-SIZE: 8pt;COLOR: #000000;"&gt;As of June 30, 2013, $70 million is recorded as a Regulatory asset on Duke Energy Ohio's Condensed Consolidated Balance Sheets.&lt;/font&gt;&lt;sup&gt;&lt;/sup&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height: 12px"&gt;&lt;td   style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 143px; text-align:left;border-color:#000000;min-width:143px;"&gt;&amp;#160;&lt;/td&gt;&lt;td   style="width: 67px; 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