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HomeMy WebLinkAbout18 Attachment 2 - Power Supply Review 2022 Attachment 2 Summary Historical Energy Usage Data 2005 through 2022 Energy Purchases - MWh Delivered to Transmission Total Bulk Energy Year Substations System Losses (1) Purchased 2005 142,852 3,767 146,619 2006 153,210 4,018 157,228 2007 154,342 4,042 158,384 2008 156,113 4,076 160,189 2009 153,677 4,018 157,695 2010 154,483 4,011 158,494 Average Growth 2011 156,407 4,137 160,544 over 18 Years 2012 150,996 3,980 154,976 1.1% 2013 154,280 3,870 158,149 2014 154,874 3,372 158,245 2015 149,601 2,609 152,210 Average Growth 2016 158,324 2,760 161,084 over 5 Years 2017 161,517 2,807 164,324 2.3% 2018 158,790 2,758 161,548 2019 160,683 2,784 163,467 2020 166,209 2,881 169,091 Increase from 2021 170,033 2,943 172,976 2021 to 2022 2022 173,824 2,995 176,819 2.27% Actual vs. Budgeted Energy Purchases - MWh Year Actual Budget % Difference 2005 142,852 145,382 -1.7% 2006 153,210 150,168 2.0% 2007 154,342 156,963 -1.7% 2008 156,113 161,604 -3.4% 2009 153,677 163,220 -5.8% 2010 154,483 160,000 -3.4% 2011 156,407 162,000 -3.5% 2012 150,996 162,000 -6.8% 2013 154,280 163,082 -5.4% 2014 154,874 164,713 -6.0% 2015 149,601 164,729 -9.2% 2016 158,324 163,778 -3.3% 2017 161,517 163,421 -1.2% 2018 158,790 165,095 -3.8% 2019 160,683 166,911 -3.7% 2020 166,209 167,750 -0.9% Average Difference 2021 170,033 168,590 0.9% 1 over 18 Years 2022 173,824 170,275 2.1% +/-3.6% Notes: 1 Transmission System Losses: This is the amount of MWh that NVEnergy requires the District to pay by tariff as a loss. This is defined as a fixed percentage of MWh Delivered to the District Page 1 of 2 Attachment 2 Summary Historical Energy Usage Data 2005 through 2022 Energy Sales to Customers - MWh Change from Previous Year Energy Sales, MWh Year, % 2005 136,339 2006 144,269 5.8% 2007 147,091 2.0% 2008 148,305 0.8% 2009 146,875 -1.0% 2010 147,647 0.5% 2011 149,978 1.6% 2012 146,014 -2.6% 2013 148,451 1.7% 2014 143,641 -3.2% Average Growth 2015 141,755 -1.3% over 17 Years 2016 152,350 7.5% 1.2% 2017 157,379 3.3% 2018 151,944 -3.5% 2019 156,714 3.1% 2020 159,134 1.5% Increase from 2021 163,176 2.5% 1 2021 to 2022 2022 167,155 2.4% 2.4% Distribution System Losses - MWh Energy Delivered Losses as% Energy Year Losses (2) to Substations Delivered to Subs 2005 6,513 142,852 4.6% 2006 8,941 153,210 5.8% 2007 7,251 154,342 4.7% 2008 7,808 156,113 5.0% 2009 6,802 153,677 4.4% 2010 6,836 154,483 4.4% 2011 6,429 156,407 4.1% 2012 4,982 150,996 3.3% 2013 6,891 154,280 4.5% 2014 12,290 154,874 7.9% 2015 8,782 149,601 5.9% 2016 6,797 158,324 4.3% 2017 4,955 161,517 3.1% 2018 6,846 158,790 4.3% 2019 3,969 160,683 2.5% 2020 7,075 166,209 4.3% Average Losses 2021 6,857 170,033 4.0% 1 over 18 Years 2022 6,670 173,824 3.8% 1 4.5% Notes: 2 Distribution System Losses: This is the difference between energy delivered to our substations and what is sold to District customers. Historically this value has been between 4%and 7%. Page 2 of 2