The URL can be used to link to this page

Home My WebLink About18-1 Purchase Power AttachmentAttachment A Summary Historical Energy Usage Data 2005 through 2012 Energy Purchases - MWh Delivered to Transmission Total Bulk Energy Year Substations System Losses (1) Purchased 2012 150,996 3,980 '154,976 2011 156,407 4,137 160,544 2010 154,483 4,011 158,494 2009 153,677 4,018 157,695 2608 156,111 4,076 160,189 2007 154,342 4,042 158,384 2006 153,210 4,018 157,228 2005 142,852 3,767 146,619 Actual vs. Budgeted Energy Purchases - MWh T edr IAEAUdl nuugex 7o uirrerence 2012 154,976 162,000 4.3% 2011 160,544 162,000 0.9% 2010 158,494 160,000 0.9% 2009 157,695 163,220 3.4 % 2008 160,189 161,604 0.9% 2007 158,384 156,963 -0.9% 2006 157,228 150,168. 2005 146,619 145,382 -0.9% Energy Sales to Customers - MWh Change from Previous Year Energy Sales, MWh Year, % 2012 146,014 -2.64% 2011 149,978 1.58% 2010 147,647 0.53 % 2009 146,875 -0.96 % 2008 148,305 0.83% 2007 147,091 1.96% 2006 144,269 5.82% 2005 136,339 ----- Distribution System Losses - MWh Year Losses(2) Delivered to Losses as a Substations % of Delivered to Subs 2012 4,981 150,996 3.3% 2011 6,429 156,407 4.1% 2010 6,836 154,483 4.4% 2009 6,802 153,677 4.4% 2008 7,808 156,113 5.0% 2007 7,251 154,342 4.7% 2006 8,941 153 210 5.8_% 2005 6,513 142,852 4.6% 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 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 about 4%to 5%. Truckee Donner Public Utility District Purchased Power Load Data Total Load - MWH (including transmission losses) Peak MW Total Load - MWH % Actual --- Above or (below) Budget Purchases (All in MWh) Total Schedule All MWH Purchases - from All Suppliers Expenditures Total Energy Supply - UAMPS, WAPA, Geo, etc Transmission - SPPCo. Scheduling - NCPA WAPA cost/(credit) toward MWh's WAPA (credit) used toward purchased power Misc Costs: WECC, WREGIS etc. AB 32 Auction Revenues Total Expenditures $ Over/(Under) Budget % Over/(Under) Budget Total Unit Cost of Purchased Power $/MWh % Over/(Under) Budget Note: Through Dec 2012, the District has purchased and has paid 2012 Budget vs Actual 2012 2012 Actual Budget 154,976 162,000 36.9 36.0 -4.3% 161,993 162,000 Actual Budget $9,508,579 $10,757,413 $752,334 $1,049,546 $61,838 $68,859 ($14,051) ($28,012) $6,505 $9,164 ($242,160) Actual Budget $10,082,208 $11,847,806 ($1,765,597) -14.90% Actual Budget $65.06 $73.13 -11.05% -4.3% less energy than budgeted -14.90% less than budgeted. 18,000 16,000 14,000 M 12,000 W 10,000 h 8,000 6,000 4,000 2,000 2012 Power Purchase Cost AB 32 Auction Revenues c Misc Costs: WECC, WREGIS, etc 0 WAPA cost/(credit) toward MWh's Scheduling Transmission ■ Total Energy Supply 2012 Monthly Energy Consumption �Q# �0�QQ- PQQ-�QJ,JI�C,'Ji "r-'s 5Q o6 �pJ O'Q ■ Budgeted Actual 40.0 35.0 i 30.0 125.0 20.0 15.0 10.0 5.0 0.0 Monthly Peak MW 2008, 2009, 2010, 2011, 2012 ■ 2012 Peak MW 2011 Peak MW 2010 Peak MW ■ 2009 Peak MW ■ 2008 Peak MW JAN FEB MAR APR MAY JUNE JULY AUG SEPT OCT NOV DEC Total Bulk Power, Actual vs Budget MWh Actual MWh Budget MWh Sales MWh