NSP-MN

Schedule OM by FERC Account

2016 Budget vs 2017 Budget

Total Company AU Utilities By Business Area

$000s

Business Area FERC 201 Budget 2017 Budget Variance Variance

Distribution Operations 877 Dist Op MeasRegl Stat Cty Gt 37 37 01%878 Dist Op Meter House Reg 741 661 79 -107%

879 Diet Op Customer Install 1660 1627 32 -20%

880 Dist Oper -Other 4565 4631 66 14%885 Dist-Mtce ES 401 400 -02%

887 Dist Mtce of Mains 1956 1874 82 -4.2%

889 Dist-Mtce of MeasRegl 597 595 -04%

890 Dist-Mtce of MeasRegl 40 41 2.6%

891 Dist-Mtce of MeasRegl 29 28 -25%

892 Dist-Mtce of Services 1450 1436 14 -10%

893 Dist-Mtce of MetersHou 2051 2065 14 0.7%

902 Cust Acct Meter Read NA904 Gust Acct Uncollect 325 325 0.0%

908 Customer Asst Expense NA920 AG Salanes 581 598 17 3.0%

921 AG Office Supplies 96 95 -0.9%

923 AG Outside Services 100 100 00%925 AG Injunes Damages 100 100 0.0%

928 AG Regulatory Comm Exp 50 50 0.0%

930.1 AG General Advertising NA930.2 AG Misc General Exp 204 204 0.0%

931 AG Rents NA932 AG Maint of Structures NA935 AG Maint of Gen PLT NA

Distributioc.aerations Total 122284 124065 1781 t5%Energy Supply 417.1 Exp from Non-Utility 58 58 0.0%

426.1 Donations 37 37 0.0%

426.4 Expenditures for Civic 14 14 0.0%

426.5 Other Deductions 0.5%

500 Stm Prod Op Supr 7272 7441 169 2.3%

501 Stm Gen Fuel 42 42 3%502 Steam Expenses Major 22666 21983 683 -3.0%

505 Stm Gen Elec Exp Major 1403 1424 21 1.5%

506 MiscSteam PwrExp 17593 17717 124 0.7%

507 Stm Pow Gen Rents NA510 Stm MaintSuperEng 1986 2038 52 2.6%

511 Stm Maint of Structures 2784 3003 219 9%512 Stm Maint of Boiler Pit 39679 37234 2446 -6.2%

513 Stm Maint of Elec Plant 4905 5557 651 13.3%

514 Stm Maint of Misc Stm PIt 17985 18742 757 2%517 Nuc Oper Super Eng 2.6%

520 Nuclear Steam Expense NA524 Nuclear Power Misc Exp 176 179 5%530 Nuc Mtc of React Pit Equip NA531 Nuc Maint of Elect Plant NA532 Nuc Mtc of Misc Nuc Plant NA535 Hyd Oper Super Eng 36 36 -0.3%

536 Hyd Oper Water for Pwr NA537 Hydro Oper Hydrauhc Exp 3.0%

538 Hyd Oper Electric Exp 12 12 0.0%

539 Hydro Oper Misc Gen Exp 273 277 1.6%

541 HydroMtcSuperEng 3.1%

542 Hyd Maint of Structures 22 22 0.0%

543 Hydro Mtc Resv Dams 22 22 0.0%

544 Hyd Maint of Eiec Plant 87 90 3.2%

545 Hyd Mt Misc Hyd Pint Mjr 59 61 2.6%

546 0th Oper SuperEng 2120 2041 79 -3 7%547 0th Oper Fuel NA548 0th Oper Gen Exp 7699 7641 58 -08%

549 0th Oper Misc Gen Exp 15391 22618 7227 470%550 0th Oper Rents NA

Page of 12 November 2015

NSP-MN

Schedule OM by FERC Account

2018 Budget vs 2017 Budget

Total Company All Utilities By Business Area

$000s

business Area FERC 2018 Budget 2017 Budget Variance Variance

Energy Supply 551 0th Maint Super Eng 308 320 12 40%552 0th Maint of Structures 3242 2478 764 -236%

553 0th Mtc of Gen Ele Plant 17199 20617 3418 199%554 0th Mtc Misc Gen Pit Mjr 1859 1838 21 -11%

560 Trans OperSuper Eng 192 190 -11%

566 Trans Oper Misc Exp NA570 Tran Mnt of Station Equip NA571 Trans Mt of Overhead Line NA572 Trans Maint of UG lines NA584 Dist Op UG Elec lines NA586 Dist Oper Meter Exp NA588 Dist Oper Misc Exp NA590 Dist Mtc Super Eng 286 291 16%592 Dist Mt of Station Equip NA593 Dist Mtc of Overhead LInes NA

594 Dist Mt of Undergmd Line NA

595 Dist Mt of Line Transform NA733 Gas Mix Exp NA

742 Maint of Prd Equip NA759 Prod Other Exp NA841 0th Strg Exp-Oper Labor Exp NA843 0th Strg Exp- Mtce Super NA859 Trans-Other Equip 12 13 113%870 Dist Oper ES NA874 Dist Exp-Mains Serv 105 108 29%879 Dist Op Customer Install NA887 Dist Mtce of Mains NA889 Dist-Mtce of MeasRegl NA

893 Dist-Mtce of MetersHou NA

920AG Salaries 2013 2029 16 0.8%

921 AG Office Supplies 390 393 08%922 AG Admn Transfer Crdt 2675 4058 1383 51.7%

923 AG Outside Services 330 304 27 -8.1%

925 AG Injuries Damages NA

930.1 AG General Advertising NA

930.2 AG Misc General Exp 333 333 0.0%

931 AG Rents NA

932 AG Maint of Structures NA

935 AG Maint of Gen PLT 0.0%

Energy Sup1 Total 165929 173157 7228 44%Financial Operations 4261 Donations 0.0%

426.4 Expenditures for Civic 0.2%

426.5 Other Deductions 15 11 -24.7%

500 Stm Prod Op Supr 78 80 3.0%

506 Misc Steam Pwr Exp 140 144 3.1%

524 Nuclear Power Misc Exp NA535 Hyd Oper Super Eng 3.0%

546 0th OperSuperEng 18 18 3.0%

549 0th Oper Misc Gen Exp 72 74 30%557 Other Power 0th Exp 362 372 26%560 Trans Oper Super Eng NA566 Trans Oper Misc Exp 300 307 2.3%

573 Trans Mtc of Misc Pit Mjr NA580 Dist Oper Sup Eng NA588 Dist Oper Misc Exp 29 30 39%807 Purchased Gas Exp 29 30 3.0%

813 Gas Supply Exp Steam 0%859 Trans Other Equip 0.0%

880 Dist Oper -Other 22 23 4.8%

909 Gust Serv Instruct Adver NA920 AG Salaries 14066 14407 341 2.4%

Page of 12 November 2015

NSP-MN

Schedule OM by FERC Account

2016 Budget vs 2017 Budget

Total Company All Utilities By Business Area

$000s

Business Area EERC 2016 Budget 2017 Budget Variance Variance

Financial Operations 921 AG Office Supplies 1877 1891 14 07%

922 AG Admn Transfer Crdt 21%

923 AG Outside Services 4294 4152 142 -3.3%

924 AG Property Insurance 10688 11243 555 52%925 AG Injuries Damages 12288 13743 455 11.8%

928 AG Regulatory Comm Exp 6371 6577 206 32%

930.2 AG Misc General Exp 21 21 0.0%

931 AG Rents NA

932 AG Maint of Structures 0.0%

935 AG Maint of Gen PLT 10 -7.0%

Financial Operations Total 50692 53146 2454 48%Gas Systems 417 Exp from Non-Utility NA

426.1 Donations 0.0%

426.3 Penalties NA

426 Expenditures for Civic NA426 Other Deductions NA506 Misc Steam Pwr Exp NA

512 Stm Maint of Boiler PIt NA

514 Stm Maint of Misc Stm PIt NA

550 0th Oper Rents NA

560 Trans Oper Super Eng NA

566 Trans Oper Misc Exp NA

580 Dist Oper Sup Eng 201 205 1.7%

582 Dist Op Station Exp NA584 Dist Op UG Elec lines 7866 7956 90 1.1%

588 Dist Oper Misc Exp NA

593 Dist Mtc of Overhead Lines NA

598 Dist Maint of Dist Plant NA

710 MED PRD -ES 0.0%

733 Gas Mix Exp 649 673 24 3.8%

735 Gas Misc Prod Exp 26 21 -17.9%

742 Maint of Prd Equip 274 278 1.6%

759 Prod Other Exp 35 36 3.9%

824 Strg Other Exp 00%

834 Mtce of Compress Station 0%

840 0th Strg Exp-ES 15 15 -0.1%

841 0th Strg Exp-Oper Labor Exp 2302 2347 46 0%843 0th Strg Exp- Mtce Super 288 289 0.6%

843 Mtce of Structrs Improve 6.0%

843.4 Mtce of Purification Equip 24%

843.5 Mtce of Liquifctn Equip 62 63 9%8436 Mtce of Vaporzng Equip 21 22 3.9%

843.7 Mtce of Comprssr Equip 164 155 -5.7%

843.8 Mtc of Meas Reg Equip 26 26 13%

843 Mtce of Othr Eqp 4.3%

850 Trans Oper ES 274 282 2.8%

851 Trans0per-SysCtlLd 583 596 13 2.3%

856 Trans -Mains Exp 20 1600 1580 7900.0%

857 Trans -Meas Regult NA859 Trans Other Equip NA

861 Trans Mtce ES NA

863 Trans Mtce Mains 2.8%

864 Trans Mtce Cmprss Stn Eqp NA

865 Trans Mtce Meas Rg NA

870 Dist Oper ES 2064 2105 40 2.0%

871 Dist Exp-Dist Load 1547 1584 37 2.4%

874 Dist Exp Mains Serv 14645 15031 386 2.6%

875 Dist Op MoasRegI Stat Gnl 70 71 3%876 Dist Op MeasRegl Stat indust NA877 Dist Op MeasRegl Stat Cty Gt NA

878 Dist Op Meter House Reg 132 135 2%

Page of 12 November 2015

NSP-MN

Schedule OM by FERC Account

2016 Budget vs 2017 Budget

Total Company All Utilities By Business Area

$000s

Business Area FERC 2016 Budget 2017 Budget Variance Variance

Gas Systems 879 DistOp Customer Instat 1489 1521 32 21%880 DistOper -Other 824 839 16 19%885 Dist Mtce ES 96 96 00%887 Dist Mtce of Mains 339 345 16%889 Dist-Mtce of MeasRegl NA890 Dist-Mtce of MeasRegl NA891 Dist-Mtce of MeasRogl 00%892 Dist-Mtce of Services 77 78 6%893 Dist-Mtce of MetersHou 365 373 2%908 Customer Asst Expense NA

909 Cust Serv Instruct Adver NA

920 AG Salaries 31 32 0%921 AG Office Supplies 14 14 0.0%

923 AG Outside Services NA

930.2 AG Misc General Exp 0%932 AG Maint of Structures NA

935 AG Maint of Gen PLT NA

Gas S1stems Total 34533 36825 2291 6.6%

General Counsel 417 Exp from Non-Utility NA

426.1 Donations 59 59 0.0%

426.4 Expenditures for Civic 781 771 11 -1 3%426.5 Other Deductions 00%506 Misc Steam Pwr Exp 80 160 80 100.0%

517 Nuc Oper Super Eng NA524 Nuclear Power Misc Exp 836 814 22 -26%

539 Hydro Oper Misc Gen Exp -1 00.0%

549 0th OperMiscGen Exp 413 592 179 432%557 Other Power 0th Exp -1 00.0%

560 Trans Oper Super Eng NA561.2 Load Disp-Monitor/Operate NA561.7 Gen lnterconn Studies NA566 Trans Oper Misc Exp 37 27 10 -270%

571 Trans Mt of Overhead Line NA588 Dist Oper Misc Exp NA813 Gas Supply Exp Steam 206 350 144 702%880 Dist Oper -Other NA908 Customer Asst Expense NA920 AG Salaries 6218 6506 287 4.6%

921 AG Office Supplies 754 767 13 1.8%

922 AG Admn Transfer Crdt NA923AG Outside Services 4562 3965 597 -13.1%

925 AG Injuries Damages 18 18 0.0%

928 AG Regulatory Comm Exp 440 277 163 -37.0%

930.1 AG General Advertising 0.0%

930.2 AG Misc General Exp 99 102 2.9%

931 AG Rents NA

932 AG Maint of Structures 0.0%

935 AG Maint of Gen PLT 0.0%

General Counsel Total 14521 14415 J106 -0.7%

Nuclear Amortz Other 517 Nuc Oper Super Eng 2113 4085 6198 -293 3%519 Nuclear coolants Wtr 228 151 380 -166.2%

520 Nuclear Steam Expense 991 1358 4349 -145.4%

523 Nuclear Electric Expense 85 87 -1 01 .9%

524 Nuclear Power Misc Exp 919 905 824 -1 98.5%

528 NucMaintSuper Eng 1143 2375 3519 -307.7%

529 Nuc Maint of Structures -94.8%

530 Nuc Mtc of React Pit Equip 228 4892 9120 -215.7%

531 Nuc Maint of Elect Plant 4581 551 5132 -112.0%

532NucMtcofMiscNucPlant 7936 1204L -151.8%

Nuclear Amortz Other Total 24235 j84391 j2665 -1760%

Nuclear Generation Bus Area 4261 Donations 13 13 0.0%

Page of 12 November 2015

NSP-MN

Schedule OM by FERC Account

2016 Budget vs 2017 Budget

Total Company All UtHities By Business Area

$000s

BusinessArea FERC 2016 Budget 2017 Budget Variance %Variance

Nuclear Generation Bus Area 426.3 Penalties NA

426.4 Expenditures for Civic 360 360 00%426.5 Other Deductions 5%502 Steam Expenses Major NA

506 Misc Steam Pwr Exp NA512 Stm Maint of Boder PIt NA513 Stm Maint of Elec Plant NA517 Nuc Oper Super Eng 57833 66508 8675 150%519 Nuclear coolants Wtr 8710 181 471 54%520 Nuclear Steam Expense 48 131 52248 4116 86%523 Nuclear Electric Expense 2149 2205 55 2.6%

524 Nuclear Power Misc Exp 133327 135351 2024 1.5%

525 Nuclear Sen Rents 75 75 0.0%

528 Nuc Maint Super Eng 5040 9282 4242 84.2%

529 Nuc Maint of Structures NA

530 Nuc Mtcof React Pit Eqwp 44706 58166 13460 30.1%

531 Nuc Maint of Elect Plant 8942 10471 1529 17.1%

532 Nuc Mtc of Misc Nuc Plant 17527 29130 11603 66.2%

540 Hyd Oper Rents NA

550 0th Oper Rents NA570 Tran Mnt of Station Equip NA588 Dist Oper Misc Exp NA

920 AG Salaries 18 19 3.0%

921 AG Office Supplies NA922 AG Admn Transfer Crdt NA923 AG Outside Services NA

925 AG Injuries Damages NA928 AG Regulatory Comm Exp NA930.1 AG General Advertising NA930 AG Misc General Exp 0%

935 AG Maint of Sen PLT NANuclear Generation Bus Area Total 326841 373017 46176 14i%

Operations Services 417 Exp from Non-Utihty 170 180 10 59%426.1 Donations 0.0%

426 Expenditures for Civic 36 37 1.5%

426.5 Other Deductions 70 52 18 25 6%500 Stm Prod Op Supr NA

501 Stm Sen Fuel NA506 Misc Steam Pwr Exp 654 654 -0.1%

512 Stm Maint of Boiler PIt NA514 Stm Maint of Misc Stm PIt NA

Sl7Nuc0perSuperEng NA539 Hydro Oper Misc Sen Exp 0.0%

549 0th Oper Misc Sen Exp 83 85 2.0%

556 Load Dispatch 854 863 1.1%

557 Other Power 0th Exp 2388 2421 33 1.4%

560 Trans Oper Super Eng NA

5611 Load Disp-Reliability NA

561.2 Load Disp-Monitor/Ope rate NA

561.5 Rd/Plan/Standards Dev 19 20 30%

561.8 Rel/Plan/Standards Dev Serv NA

566 Trans Oper Misc Exp 423 430 1.8%

571 Trans Mt of Overhead Line NA575.1 Operation Supervision 190 195 2.8%

575.2 DART MktAdmin 347 349 0.8%

575.3 Trans Rights Mkt Admin NA

5755AncillaryServMktAdmin 162 163 0.2%

575.6 Mkt Monitoring/Compliance 35 35 -1.3%

580 Dist Oper Sup Erig NA581 Dist Load Dispatching NA

588 Dist Oper Misc Exp NA

Page of 12 November 2015

NSP-MN

Schedule OM by FERC Account

2016 Budget vs 2017 Budget

Total Company All Utilities By Business Area

$000s

Business Area FERC 2018 Budget 2017 Budget Variance Variance

Operations Services 593 Dist Mtc of Overhead LInes NA807 Purchased Gas Exp 109 112 3.0%

813 Gas Supply Exp Steam 152 157 3.0%

850 Trans Oper-ES 27 28 11%865 Trans Mtce Meas Rg NA860 Dist Oper -Other NA892 Dist-Mtco of Services NA901 CustAcct Supervise 161 58 103 -64.0%

902 CustAcct Meter Read 22637 23147 510 2.3%

903 Cust Aect Reords CoH 24440 24537 97 0.4%

904 CustAcct Uncoflect 15726 15972 246 1.6%

905 Cust Acct Misc NA908 Customer Asst Expense 387 394 2.0%

909 Cust Serv Instruct Adver NA912 Sales Demo Sales 3.0%

920 AG Salanes 1453 1494 41 28%921 AG Office Supplies 794 791 -0.4%

922 AG Admn Transfer Crdt 30 30 -0.2%

923 AG Outside Services 4307 3055 1252 -29.1%

924 AG Property Insurance NA

930.1 AG General Advertising 23 23 0.0%

930.2 AG Misc General Exp 11 11 0.0%

931 AG Rents 0.0%

932AG Maint of Structures 11 12 5.4%

935 AG MaintofGen PLT 134 141 5.4%

Operations Services Total 75781 75393 Jfl -0.5%

Transmission 417.1 Exp from Non-Utility 0.0%

426.1 Donations NA

426.3 Penalties NA

426.4 Expenditures for Civic NA

426 Other Deductions 0.0%

500 Stm Prod Op Supr NA

501 Stm Gen Fuel NA

506 Misc Steam Pwr Exp 17 18 3.0%

512 Stm Maint of Boiler Pit NA

513 Stm MaintofElecPlant NA

514 Stm Maint of Misc Stm PIt NA

517 NucOperSuperEng NA

520 Nuclear Steam Expense NA

531 Nuc Maint of Elect Plant NA

549 0th Oper Misc Gen Exp NA553 0th Mtc of Gen Ele Plant NA554 0th Mtc Misc Sen PIt Mjr NA556 Load Dispatch NA560 Trans Oper Super Eng 7574 7757 184 2.4%

561.1 Load Disp-Reliability 43 44 26%561.2 Load Disp-Monitor/Operate 384 2438 53 2.2%

561.3 Load Disp-Trans Serv/Sch 23 24 2.7%

561.5 Rel/Plan/Standards Dcv 821 844 22 2.7%

561.6 Trans Service Studies 34 35 3.0%

561 Gen lnterconn Studies 233 236 1.1%

561.8 Ret/Plan/Standards Dcv Serv 159 2379 220 10.2%

562 Trans Oper Station Exp 936 951 16 1.7%

563 Trans Oper OH Lines 2406 2428 22 0.9%

564 US LIne Exp 2.9%

566 Trans Oper Misc Exp 3269 3333 64 2.0%

567 Trans Rents 863 663 0.0%

568 Trans Mtce SuperEng 122 124 09%570 Tran Mnt of Station Equip 7117 7125 0.1%

571 Trans Mt of Overhead Line 787 691 96 -3.5%

572 Trans Maint of UG lines 219 224 1%

Page of 12 November 2015