EIA411 May 1, A Report to the Office of Energy Emergency Operations Department of Energy Under EIA-411

EIA411 May 1, 2006 A Report to the Office of Energy Emergency Operations Department of Energy Under EIA-411 All questions concerning this data should be directed to: Jason Speer Southwest Power Pool 415 N. McKinley, #140 Plaza West Little Rock, AR 72205-3020 (501) 614-3301 jspeer@spp.org

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Table of Contents Introduction Introduction Identification of Reporting Utilities Definitions Item 1 Projected Energy & Peak Demand for the First Ten Years & Actual Data for the Previous Year Item 2 Item 2.1 Item 2.2 Item 2.3 Item 2.4 Existing and Projected Generating Units Utility Data Capacity for Existing Generators in Reporting Year Projected Generating Capacity Installations, Changes, and Removals Jointly Owned Generators Item 3 Item 3.1 Item 3.2 Projected Capacity & Demand for Ten Years Summer Winter Item 4 Projected Capacity Purchases and Sales Item 5 Bulk Electric Transmission System Map Item 6 Item 7 Proposed Bulk Electric Transmission Line Additions Annual Data on Transmission Line Outages for EHV Lines 3

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INTRODUCTION 5

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INTRODUCTION The following table shows a five-year comparison of the Summer Peak Demand, the Winter Peak Demand and the Annual Energy for Southwest Power Pool. Section 1 Table 1 Historical Demands Summer Demand (MW) Winter Demand (MW) Annual Energy (GWh) 2001 (4-1-02) 40273 29614 193590 2002(4-1-03) 39688 30187 196103 2003(4-1-04) 40367 28450 186136 2004(4-1-05) 40106 29490 191829 2005(4-1-06) 41727 30042 201548 %/Change* 3.9% 1.8% 4.8% * Percentage change from 2004 to 2005 The following table shows the ten-year capacity margin projections for a five-year period. OE411 4-1-02 Table 2 Present and Historical Capacity Margins OE411 4-1-03 OE411 4-1-04 OE411 4-1-05 OE411 4-1-06 2002 18.33% 2003 18.57% 17.75% 2004 16.47% 17.92% 20.39% 2005 13.81% 17.24% 18.39% 15.98% 2006 13.37% 17.14% 18.11% 15.59% 15.50% 2007 11.95% 16.47% 18.02% 14.98% 14.50% 2008 10.39% 14.97% 15.70% 14.31% 14.60% 2009 9.76% 14.48% 15.47% 12.98% 12.70% 2010 9.63% 13.78% 14.53% 12.95% 13.40% 2011 9.07% 12.78% 13.45% 13.09% 13.10% 2012 12.49% 12.62% 13.52% 13.50% 2013 10.80% 12.31% 11.30% 2014 11.58% 10.10% 2015 8.60% 7

IDENTIFICATION OF REPORTING UTILITIES SPP SYSTEMS REPORTING CODES AEP West Public Service Company of Oklahoma Southwestern Electric Power Company Aquila Inc. Missouri Public Service Company WestPlains Energy Arkansas Electric Cooperative Corporation Board of Public Utilities, Kansas City, Kansas Central Louisiana Electric Company City of Clarksdale, Mississippi City of Lafayette, Louisiana City Power & Light, Independence, Missouri City Utilities, Springfield, Missouri Empire District Electric Company Grand River Dam Authority Kansas City Power & Light Company Louisiana Energy & Power Authority Midwest Energy Inc. Northeast Texas Electric Cooperative Oklahoma Gas & Electric Company Oklahoma Municipal Power Authority Public Service Comm. Of Yazoo City Southwestern Power Administration Southwestern Public Service Company Sunflower Electric Power Corp. Western Farmers Electric Cooperative Western Resources, Inc. Kansas Power & Light Company Kansas Gas & Electric Company PSOK SOEP MIPU WEPL AECC KACY CELE CLWL LAFA INDN SPRM EMDE GRRD KCPL LEPA MIDW NTEC OKGE OMPA YAZO SWPA SWPS SUNC WEFA KAPL KAGE 8

GENERAL DEFINITIONS These definitions are intended for use in the preparation of a response to Form EIA-411. They are not intended to conflict with or replace definitions used in other reporting forms, glossaries, or dictionaries. 1. REPORTING YEAR The calendar year in which the report is filed. For instance, 2006 is the Reporting Year for a report filed April 1, 2006. 2. PREVIOUS YEAR Is the calendar year immediately before the reporting year. For a report filed April 1, 2006, the Previous Year is 2005. 3. SUMMER PEAK PERIOD For the purposes of this report, the summer peak period begins on June 1 and extends through September 30. 4. WINTER PEAK PERIOD For the purposes of this report, the winter peak period begins on December 1 and extends through March 31 of the following year. For instance, winter 2005 begins December 1, 2005, and extends through May 31, 2006. It is convenient to describe the winter peak period by means of two years. Thus, the winter referred to here would be winter 2005/06. 5. CAPACITY A measure of the ability to generate electric power, is usually expressed in megawatts (MW). Capacity can refer to the output of a single generator, a plant, an entire electric system, a power pool, or a Region. Summer or Winter Capacity is a reference to the expected generator capacity at the time of the summer or winter peak demand period. 6. NET CAPABILITY The maximum load-carrying ability of the equipment, exclusive of station use, under specified conditions for a given time interval independent of the characteristics of the load. (Capability is determined by design characteristics, physical condition, adequacy of prime mover, energy supply, and operating limitations such as cooling a circulating water supply and temperature, headwater and tailwater elevations, and electrical use.) 7. NET CAPACITY The maximum capacity (or effective rating) modified for ambient limitations, that a generating unit, power plant, or electric system can sustain over a specified period of time (such as a month or season), less the capacity used to supply the demand of station or auxiliary needs (such as fan motors, pump motors, and other equipment essential to operation of the generating units). 9

8. DISTRIBUTED GENERATION Small-scale generating units located in close proximity to the load being served, and connected to the grid at distribution voltages, typically less than 69kV. Such units may be, for example, reciprocating engines, micro turbines, small combustion gas turbines, fuel cells, or photovoltaic. These units may be applied in a variety of ways, including back-up, power quality, peak shaving, or stand-by. 10

ITEM 1 PROJECTED ENERGY & PEAK DEMAND FOR THE FIRST TEN YEARS AND ACTUAL DATA FOR THE PREVIOUS YEAR 11

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ITEM 1 PROJECTED ENERGY AND PEAK DEMAND FOR THE FIRST TEN YEARS AND ACTUAL DATA FOR THE PREVIOUS YEARS This item reports actual annual Net Energy for Load and seasonal Peak Demand for the previous year and estimated values for the reporting year and for each of the nine additional years. Peak Hour Demand in Megawatts (MW) should correspond to Total Internal Demand as reported on line 03 of Item 3. Net Energy for Load is to be reported in gigawatthours (Gwh). It is the electrical energy requirements of an electric system, defined as system net generation plus energy received from others less energy delivered to others through interchange. It includes system losses but excludes energy required for the storage at energy storage facilities. For the purposes of this report, the summer period extends from June 1 through September 30 and the winter period from December 1 through March 31 of the following year. For example, winter 2005 begins December 1, 2005 and extends through March 31, 2006. 13

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Item 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year SPP Monthly Data Actual Data 2005 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 01 Peak Hour Demand-MW 29072 27128 25247 25656 34261 39437 41306 40771 37772 33042 27333 31764 02 Net Energy-GWh 16381 13934 14607 13804 16014 19126 21213 21084 18442 15397 14667 16879 Reporting Year 2006 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 03 Peak Hour Demand-MW 29628 28792 26379 26489 33149 38415 41081 41424 38052 30014 27153 29850 04 Net Energy-GWh 16624 14823 14885 14289 15740 18498 21142 21021 17586 15225 14888 16589 Next Year 2007 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 05 Peak Hour Demand MW 30183 28958 26933 26999 33794 39290 41786 42127 38705 30612 27669 30415 06 Net Energy-GWh 16853 14894 15184 14554 16042 19182 21519 21008 17895 15533 15158 16880 Ten Year Projection Actual 07 Peak Hour Demand 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Summer-MW 41727 41747 42539 43276 43985 44747 45351 45697 46406 47156 47926 Ten Year Projection Actual 08 Peak Hour Demand 2005/06 2006/07 2007/08 2008/09 2009/10 2010/11 2011/12 2012/13 2013/14 2014/15 2015/16 Winter-MW 31260 29788 30431 31001 31607 32159 32794 33403 34005 34725 35327 Ten Year Projection Actual 09 Net Annual Energy 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Annual-GWh 201548 201310 204702 208891 212511 216630 220216 221802 224595 228598 232738 15

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Monthly Data Actual Data 2005 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 01 Peak Hour Demand - MW AREC 623 575 558 417 584 738 801 751 709 585 596 743 CELE 1585 1394 1336 1367 1894 1936 2014 2000 1967 1737 1391 1533 CLWL 23 22 22 27 37 44 47 48 46 39 27 23 EMDE 900 820 818 622 820 1033 1087 1050 991 854 837 1031 GRRD 1102 1004 960 835 1191 1430 1553 1462 1374 1148 1014 1229 INDN 166 155 145 151 213 278 296 291 247 212 160 183 KACP 2313 2186 2003 2042 2615 3338 3512 3426 3007 2754 2209 2563 KACY 367 348 332 322 376 483 501 486 445 404 341 385 KAGE 1586 1581 1403 1585 2095 2422 2410 2441 2312 2084 1670 1832 KAPL 1740 1690 1481 1599 2037 2510 2643 2616 2407 2181 1745 1952 LAFA 305 269 254 300 397 423 426 438 426 382 298 307 LEPA 161 147 134 163 222 233 248 242 248 220 163 157 MIDW 200 185 176 177 261 303 320 322 271 247 191 217 MIPU 1289 1192 1087 961 1306 1704 1826 1800 1549 1403 1210 1422 OKGE 3989 3705 3416 3522 4942 5474 5766 5613 5408 4598 3634 4369 OMPA 329 294 273 329 506 563 616 590 535 404 312 338 PSOK 2686 2406 2246 2453 3323 3777 4076 3863 3708 3188 2466 2916 SOEP 3609 3307 3073 2967 4011 4567 4576 4725 4631 3984 3275 3896 SPRM 438 417 403 425 539 686 720 688 642 551 429 475 SUNC 304 283 281 276 363 399 420 412 363 346 287 301 SWPA 618 578 500 660 703 740 861 1064 831 636 502 612 SWPS 3261 3222 3114 3344 4247 4648 4828 4720 4012 3621 3268 3690 WEFA 1092 978 881 755 1096 1214 1243 1218 1167 981 953 1218 WEPL 371 356 337 340 459 467 487 476 448 460 338 356 YAZO 15 14 14 17 24 27 29 29 28 23 17 16 Total: 29072 27128 25247 25656 34261 39437 41306 40771 37772 33042 27333 31764 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 16

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Monthly Data Actual Data 2005 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 02 Net Energy - GWh AREC 309 256 266 224 259 328 371 387 322 259 258 335 CELE 762 667 715 691 888 989 1058 1062 898 822 723 816 CLWL 13 12 13 12 16 21 22 27 21 15 13 13 EMDE 465 388 407 348 390 474 525 547 463 392 400 495 GRRD 615 511 523 477 548 678 757 755 656 535 516 627 INDN 94 76 80 75 88 117 135 127 106 83 80 94 KACP 1343 1107 1164 1073 1216 1517 1711 1658 1428 1188 1152 1373 KACY 222 189 199 188 203 238 261 258 229 204 197 222 KAGE 970 830 880 839 989 1186 1295 1283 1153 976 921 1030 KAPL 1030 865 907 863 980 1183 1336 1314 1137 955 914 1050 LAFA 139 123 131 134 169 196 212 210 198 161 143 159 LEPA 78 68 74 75 97 116 126 127 120 93 78 84 MIDW 117 100 106 101 119 133 168 155 131 115 114 124 MIPU 727 587 609 536 601 760 868 841 715 598 595 737 OKGE 2285 1953 2041 1885 2245 2673 2911 2972 2649 2147 2008 2316 OMPA 174 146 152 147 190 245 279 279 218 168 155 174 PSOK 1511 1286 1352 1288 1527 1846 2036 2049 1775 1435 1342 1509 SOEP 1864 1622 1687 1578 1892 2276 2414 2549 2263 1821 1693 1942 SPRM 254 215 238 214 259 319 348 351 298 244 218 266 SUNC 181 162 176 168 186 201 239 229 204 191 180 190 SWPA 324 253 227 284 248 376 436 453 384 277 269 298 SWPS 2101 1848 1963 1973 2186 2433 2778 2539 2259 2031 2030 2220 WEFA 570 470 483 429 492 585 655 648 577 477 472 592 WEPL 225 193 206 195 216 224 258 249 225 201 188 205 YAZO 8 7 8 7 10 12 14 15 13 9 8 8 Total: 16381 13934 14607 13804 16014 19126 21213 21084 18442 15397 14667 16879 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 17

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Monthly Data Reporting Year 2006 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 03 Peak Hour Demand - MW AREC 695 640 578 493 600 694 793 780 674 544 591 667 CELE 1414 1564 1403 1316 1542 1810 1963 2010 1877 1508 1347 1361 CLWL 23 22 22 27 37 45 47 48 46 39 27 23 EMDE 971 909 819 700 815 977 1086 1111 983 692 817 926 GRRD 991 1024 565 559 703 882 951 907 858 587 597 679 INDN 174 164 157 148 269 280 325 325 303 157 164 174 KACP 2380 2265 2062 2080 2743 3236 3595 3589 3003 2076 2142 2427 KACY 381 370 359 353 426 489 538 543 495 382 358 377 KAGE 1680 1675 1486 1678 2218 2564 2551 2585 2448 2208 1768 1941 KAPL 1835 1782 1562 1687 2150 2650 2789 2761 2541 2301 1841 2061 LAFA 272 316 286 326 364 427 431 430 412 333 290 306 LEPA 151 131 128 153 193 205 216 215 209 174 146 140 MIDW 201 186 177 178 262 305 322 324 272 248 192 218 MIPU 1433 1286 1223 1025 1361 1693 1854 1844 1683 1191 1228 1413 OKGE 3936 3859 3930 3649 4692 5460 5705 5952 5526 4360 3642 3911 OMPA 332 312 289 353 490 561 618 613 555 419 318 351 PSOK 2631 2484 2335 2395 2986 3652 4051 3970 3670 2662 2307 2568 SOEP 3641 3512 3077 3139 3892 4373 4700 4736 4444 3374 3121 3524 SPRM 414 398 389 423 499 641 699 762 702 522 469 422 SUNC 308 288 283 291 363 412 424 413 378 317 304 315 SWPA 624 584 505 667 710 747 870 1075 839 642 507 618 SWPS 3646 3674 3494 3701 4268 4550 4757 4661 4432 3846 3635 3807 WEFA 1129 1011 911 781 1133 1255 1285 1259 1206 1014 985 1259 WEPL 351 322 325 350 409 480 482 482 468 396 340 346 YAZO 15 14 14 17 24 27 29 29 28 22 17 16 Total: 29628 28792 26379 26489 33149 38415 41081 41424 38052 30014 27153 29850 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 18

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Monthly Data Reporting Year 2006 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 04 Net Energy - GWh AREC 320 266 276 232 267 339 384 400 333 268 267 347 CELE 738 777 741 722 792 924 1009 1020 970 853 770 812 CLWL 13 12 13 13 16 21 22 27 22 16 13 14 EMDE 493 419 414 364 389 450 542 535 421 386 401 473 GRRD 563 521 307 298 337 412 452 451 399 332 312 354 INDN 93 82 86 80 92 119 143 134 101 85 85 95 KACP 1382 1177 1198 1107 1233 1474 1755 1713 1374 1185 1188 1377 KACY 221 197 206 193 211 237 278 279 228 208 201 217 KAGE 1011 897 948 923 1024 1125 1352 1352 1087 973 923 1025 KAPL 1033 907 945 882 996 1147 1386 1386 1033 945 920 1023 LAFA 139 137 135 141 169 198 214 211 184 146 137 142 LEPA 73 63 67 72 94 102 112 112 97 83 67 74 MIDW 114 109 107 102 120 134 170 157 132 116 115 125 MIPU 752 646 632 560 623 752 876 863 688 593 633 737 OKGE 2301 1993 2186 1987 2176 2619 2978 3061 2473 2138 2073 2261 OMPA 172 151 154 153 191 239 292 288 218 171 158 178 PSOK 1515 1371 1293 1289 1459 1814 2076 2020 1693 1399 1379 1537 SOEP 1948 1781 1683 1654 1874 2186 2459 2442 2135 1773 1726 1961 SPRM 254 234 239 233 257 325 365 366 278 247 243 261 SUNC 183 164 178 170 189 203 242 232 206 194 182 193 SWPA 327 255 230 287 250 379 441 457 388 280 272 301 SWPS 2180 1997 2157 2200 2276 2466 2652 2584 2294 2121 2133 2258 WEFA 588 486 497 442 507 603 675 667 594 491 486 610 WEPL 203 174 186 178 188 218 253 249 224 212 196 206 YAZO 8 7 7 7 10 12 14 15 14 10 8 8 Total: 16624 14823 14885 14289 15740 18498 21142 21021 17586 15225 14888 16589 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 19

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Monthly Data Next Year 2007 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 05 Peak Hour Demand - MW AREC 720 663 598 511 621 720 822 809 699 564 613 691 CELE 1767 1605 1445 1355 1585 1857 2012 2059 1925 1545 1381 1395 CLWL 24 22 22 28 38 45 48 49 47 40 28 23 EMDE 993 930 837 716 835 999 1112 1136 1005 706 835 947 GRRD 610 581 576 570 717 900 970 925 875 599 609 693 INDN 178 168 161 152 275 286 330 330 309 161 167 178 KACP 2436 2316 2109 2123 2792 3284 3642 3636 3046 2116 2191 2484 KACY 386 376 364 358 433 496 546 551 502 387 363 383 KAGE 1718 1712 1519 1715 2267 2621 2608 2643 2502 2257 1807 1985 KAPL 1883 1828 1602 1731 2206 2718 2861 2833 2607 2360 1888 2114 LAFA 321 322 292 333 372 436 440 439 421 340 296 312 LEPA 153 132 129 154 195 207 219 217 211 176 148 142 MIDW 202 187 178 179 263 307 324 326 273 249 193 219 MIPU 1473 1320 1257 1057 1395 1732 1897 1888 1719 1223 1260 1452 OKGE 4011 3932 4005 3719 4782 5564 5814 6065 5631 4443 3711 3986 OMPA 336 315 292 357 496 568 625 621 562 424 322 355 PSOK 2666 2540 2372 2397 3011 3728 4072 3966 3682 2674 2302 2604 SOEP 3708 3615 3155 3214 3983 4576 4759 4812 4505 3477 3197 3561 SPRM 432 408 399 434 511 657 716 781 720 535 481 432 SUNC 319 299 295 301 376 423 436 424 387 326 312 323 SWPA 630 590 510 673 717 755 878 1085 848 649 512 624 SWPS 3701 3730 3547 3758 4335 4622 4833 4735 4502 3906 3690 3865 WEFA 1146 1028 926 794 1152 1277 1307 1281 1227 1032 1002 1281 WEPL 355 325 329 353 413 484 486 486 472 400 344 350 YAZO 15 14 14 17 24 28 29 30 28 23 17 16 Total: 30183 28958 26933 26999 33794 39290 41786 42127 38705 30612 27669 30415 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 20

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Monthly Data Next Year 2007 Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 06 Net Energy - GWh AREC 327 272 284 239 275 347 393 410 342 275 273 356 CELE 869 800 763 743 814 948 1034 1045 995 874 789 832 CLWL 14 12 13 13 17 21 23 28 22 16 13 14 EMDE 504 428 423 372 397 460 553 546 430 394 409 484 GRRD 356 302 313 304 344 420 461 460 407 339 318 361 INDN 95 84 88 82 94 121 145 136 103 87 87 97 KACP 1412 1202 1224 1131 1260 1792 1749 1403 1403 1210 1213 1406 KACY 225 200 209 196 214 241 282 283 232 211 204 220 KAGE 1024 909 960 934 1036 1139 1369 1369 1100 985 934 1037 KAPL 1051 923 961 897 1013 1167 1410 1410 1051 961 936 1039 LAFA 149 140 138 144 172 202 218 216 187 148 139 145 LEPA 74 64 68 72 95 103 113 113 98 83 68 75 MIDW 119 102 108 103 121 135 172 159 133 117 116 126 MIPU 773 664 650 574 639 773 902 889 707 609 648 758 OKGE 2349 2035 2232 2029 2222 2674 3040 3126 2525 2183 2116 2309 OMPA 175 153 156 154 193 242 296 292 221 173 160 180 PSOK 1534 1399 1313 1299 1476 1852 2110 2022 1706 1415 1380 1557 SOEP 1989 1831 1722 1694 1918 2279 2536 2459 2166 1834 1773 1980 SPRM 267 240 245 239 263 325 373 375 285 253 249 267 SUNC 186 166 180 172 191 206 244 234 209 196 184 195 SWPA 330 258 232 290 253 383 445 462 392 283 275 304 SWPS 2222 2036 2200 2238 2321 2508 2697 2628 2338 2164 2175 2302 WEFA 596 492 505 448 514 612 685 677 603 499 493 620 WEPL 205 175 189 180 190 220 255 251 227 215 198 208 YAZO 8 7 8 7 10 12 14 15 13 9 8 8 Total: 16853 14894 15184 14554 16042 19182 21519 21008 17895 15533 15158 16880 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 21

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Actual Previous Year Actual Ten Year Projection 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 07 Peak Hour Demand Summer - MW AREC 801 793 822 851 882 914 947 982 1017 1054 1092 CELE 2014 2010 2059 2088 2117 2146 2174 2203 2233 2263 2293 CLWL 47 47 48 48 49 50 50 51 51 52 53 EMDE 1087 1103 1128 1154 1179 1205 1232 1259 1286 1316 1346 GRRD 1553 907 970 989 1009 1029 1050 1071 1092 1114 1136 INDN 296 325 330 334 339 344 349 354 359 364 370 KACP 3536 3650 3715 3782 3850 3920 4015 4074 4130 4182 4230 KACY 501 543 551 555 559 563 567 571 575 579 583 KAGE 2441 2585 2643 2694 2738 2777 2822 2871 2918 2963 3009 KAPL 2643 2789 2861 2930 2990 3049 3101 3153 3203 3250 3298 LAFA 438 431 440 449 457 465 473 481 489 497 505 LEPA 248 216 218 220 223 225 227 229 232 234 236 MIDW 322 324 325 327 329 331 332 334 336 338 339 MIPU 1826 1854 1897 1942 1982 2023 2065 2107 2149 2192 2235 OKGE 5766 5952 6065 6169 6243 6358 6445 6549 6643 6776 6926 OMPA 616 618 625 631 637 643 649 655 660 666 672 PSOK 4076 4051 4072 4116 4187 4256 4322 4370 4420 4470 4519 SOEP 4725 4736 4812 4896 4981 5066 5152 5241 5332 5425 5522 SPRM 720 762 781 799 819 838 858 879 899 921 942 SUNC 420 424 436 442 442 442 442 442 442 442 442 SWPA 1064 1074 1085 1096 1107 1118 1129 1140 1152 1163 1175 SWPS 4828 4757 4833 4911 4988 5076 5014 4720 4803 4887 4971 WEFA 1243 1285 1307 1332 1354 1379 1402 1422 1442 1461 1480 WEPL 487 482 486 491 495 500 504 508 512 516 520 YAZO 29 29 30 30 29 30 30 31 31 31 32 Total: 41727 41747 42539 43276 43985 44747 45351 45697 46406 47156 47926 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 22

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Actual Previous Year Actual Ten Year Projection 2005/06 2006/07 2007/08 2008/09 2009/10 2010/11 2011/12 2012/13 2013/14 2014/15 2015/16 08 Peak Hour Demand Winter - MW AREC 743 695 720 739 751 770 790 810 831 852 874 CELE 1564 1767 1792 1818 1842 1867 1892 1917 1942 1968 1994 CLWL 24 24 24 24 25 25 25 26 26 26 27 EMDE 1031 971 993 1015 1037 1059 1087 1112 1139 1166 1195 GRRD 1229 356 363 370 377 385 393 401 409 417 425 INDN 183 178 182 186 190 194 198 203 207 211 215 KACP 2380 2438 2489 2531 2584 2625 2783 2834 2882 2926 2966 KACY 385 386 387 389 392 395 398 401 403 406 409 KAGE 1832 1941 1985 2023 2056 2085 2119 2156 2191 2225 2260 KAPL 1952 2061 2114 2165 2210 2253 2292 2330 2367 2402 2437 LAFA 316 322 328 334 340 345 351 357 363 369 375 LEPA 151 153 154 156 158 159 161 162 164 166 167 MIDW 217 218 219 220 222 223 224 225 226 228 229 MIPU 1433 1473 1513 1541 1583 1624 1665 1708 1750 1792 1835 OKGE 4000 4076 4146 4195 4273 4331 4401 4464 4554 4654 4738 OMPA 332 336 338 341 344 347 350 353 356 359 363 PSOK 2916 2666 2767 2836 2905 2962 2971 3071 3125 3178 3229 SOEP 3896 3708 3790 3891 3987 4073 4151 4226 4318 4422 4524 SPRM 475 469 481 492 505 518 531 545 559 673 688 SUNC 308 319 327 327 327 327 327 327 327 327 327 SWPA 618 624 630 636 642 648 654 661 668 675 682 SWPS 3690 3100 3159 3218 3278 3339 3400 3462 3525 3589 3653 WEFA 1218 1136 1156 1176 1198 1220 1241 1259 1276 1294 1311 WEPL 351 355 358 362 365 369 373 376 380 383 387 YAZO 16 16 16 16 16 16 17 17 17 17 17 Total: 31260 29788 30431 31001 31607 32159 32794 33403 34005 34725 35327 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 23

ITEM 1 Projected Energy and Peak Demand for the First Ten Years and Actual Data for the Previous Year Actual Previous Year Actual Ten Year Projection 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 09 Net Annual Energy GWh AREC 3573 3698 3793 3891 3954 4054 4159 4263 4373 4483 4599 CELE 10092 10236 10507 10653 10800 10944 11091 11239 11389 11541 11695 CLWL 200 202 205 207 210 212 215 218 220 223 226 EMDE 5294 5287 5399 5503 5610 5719 5874 6009 6147 6288 6445 GRRD 7198 4738 4385 4473 4562 4653 4746 4841 4938 5037 5138 INDN 1155 1195 1219 1246 1272 1298 1324 1350 1377 1404 1431 KACP 15929 16163 15508 16826 17135 17427 17987 18327 18653 18969 19277 KACY 2611 2676 2717 2740 2757 2780 2802 2821 2844 2865 2885 KAGE 12352 12640 12796 13085 13373 13757 13981 14230 14474 14711 14953 KAPL 12534 12603 12819 13115 13369 13621 13835 14049 14254 14449 14646 LAFA 1975 1953 1998 2036 2071 2105 2139 2174 2209 2245 2281 LEPA 1135 1015 1025 1035 1046 1056 1067 1077 1088 1099 1110 MIDW 1483 1491 1499 1507 1515 1523 1531 1539 1547 1555 1564 MIPU 8174 8357 8586 8823 9074 9322 9572 9844 10076 10336 10595 OKGE 28086 28245 28840 29386 29773 30374 30835 31380 31881 32582 33378 OMPA 2326 2365 2396 2426 2457 2487 2518 2548 2578 2609 2639 PSOK 18955 18846 19062 19427 19794 20199 20573 20928 21182 21491 21794 SOEP 23602 23621 24179 24774 25233 25749 26265 26867 27332 27876 28437 SPRM 3223 3303 3381 3459 3541 3625 3711 3800 3891 3983 4078 SUNC 2308 2334 2361 2387 2414 2442 2469 2497 2525 2554 2583 SWPA 3847 3885 3923 3962 4001 4041 4081 4121 4162 4203 4245 SWPS 26361 27316 27830 28412 28898 29456 29524 27642 27304 27828 28358 WEFA 6450 6645 6745 6859 6965 7077 7182 7276 7365 7455 7543 WEPL 2582 2485 2512 2540 2567 2590 2616 2642 2666 2691 2717 YAZO 119 120 119 119 120 119 119 120 120 121 121 Total: 201564 201419 203804 208891 212511 216630 220216 221802 224595 228598 232738 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 24

ITEM 3 PROJECTED CAPACITY AND DEMAND FOR TEN YEARS SUMMER AND WINTER 73

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ITEM 3 Projected Capacity and Demand for Ten Years Report Capacity and Demand projected for the summer and winter peak periods of the ten-year period. Peak demands reported here should agree with the corresponding entries in Item 1. Capacity data reported in Item 3 is consistent with Item 2. The information in Item 3 is to be reported in megawatts (MW) for each peak period on the same basis as reported in Item 1 as follows: Column number: 01 Internal Demand Peak hour integrated megawatt demand is defined as the sum of the demands of all customers that a system serves, including the demands of the organization providing the electric service, plus the losses incidental to that service. Total Internal Demand is the sum of the metered (net) outputs of all generators within the system and the metered line flows into the system, less the metered line flows out of the system. The demand of station service or auxiliary needs (such as fan motors, pump motors, and other equipment essential to the operation of the generating units) is not included. Internal Demand includes adjustments for utility indirect demand-side management programs such as conservation programs, improvements in efficiency of electric energy use, rate incentives, and rebates. Internal Demand should not be reduced by Direct Control Load Management or Interruptible Demand, which are reported on Lines 04 and 05. The Internal Demand of nonmember systems of the Council or Reporting Party should be included to the extent known. State in a footnote if Internal Demand includes or does not include Standby Demand. 02 Standby Demand The Demand specified by contractual arrangement with a customer to provide power and energy to that customer as a secondary source or backup for an outage of the customer s primary source. Standby Demand is intended to be used infrequently by any one customer. If Standby Demand is included in Line 01, report 0 on Line 02. If there are no arrangements for Standby Demand, report 0 on Line 02. 75

03 Total Internal Demand As reported in Item 1 (Peak Hour Demand). Line 01 plus Line 02. 04 Direct Control Load Management The magnitude of customer demand that can be interrupted at the time of the Council or Reporting Party seasonal peak by direct control of the System Operator by interrupting power supply to individual appliances or equipment on customer premises. This type of control usually reduces the demand of residential customers. Direct Control Load Management as reported here does not include Interruptible Demand (Line 05). Line 01 (Internal Demand) should not incorporate the effect of this reduction in demand. 05 Interruptible Demand The magnitude of customer demand that, in accordance with contractual arrangements, can be interrupted at the time of the Council or Reporting Party seasonal peak by direct control of the System Operator or by action of the customer at the direct request of the System Operator. In some instances, the demand reduction may be effected by direct action of the System Operator (remote tripping) after notice to the customer in accordance with contractual provisions. For example, demands that can be interrupted to fulfill planning or operating reserve requirements normally should be reported as Interruptible Demand. Interruptible Demand as reported here does not include Direct Control Load Management (Line 04). Line 01 (Internal Demand) should not incorporate the effect of this reduction in demand. 06 Net Internal Demand Total Internal Demand less Direct Control Load Management and Interruptible Demand. Line 03 minus Line 04 minus Line 05. 07 Total Net Operable Capacity Is the sum of the values reported on Schedule 2, Line 9, for all generators included by the reporting region. 7a Jointly Owned Unit Capacity Is the capacity of all jointly owned units. The controlling area with the jointly owned unit will have a negative value. 76

7a1 New Capacity Additions Is any additional future generation capacity. These values include planned projects but not exploratory projects. 7a2 Total Control Area Capacity The sum of lines 7, 7a, and 7a1. 7b Uncommitted Capacity Uncommitted Capacity includes the total amount of generating resources that are physically located in the Region, but are not dedicated to or contractually committed to serve load in the Region. 7b1 Reliability Derating Unit Specific Subtotal The total amount of reduction in the maximum capability of the units that can be specifically identified due to transmission constraints, or the amount of generator capability that cannot be relied upon due to other issues, such as wind and hydro conditions. 7b2 Reliability Derating Group Subtotal The total amount of reduction in the maximum capability of the units that cannot be specifically identified (i.e., allocated or prorata derating) due to transmission constraints or the amount of generator capability that cannot be relied upon due to other issues, such as wind and hydro conditions. 7b3 Scheduled Maintenance Scheduled Maintenance should be used to report capacity that will be unavailable due to scheduled maintenance during the entire reporting period. 7c Other Generation The total amount of generation reported in the EIA 860 that is not included in Regional calculations of Planned Capacity Resources, e.g., behind the meter, self-use, etc. 7d Subtotal Committed Capacity Resultant of subtracting lines 7b, 7b1, 7b2, 7b3, and 7c from line 7a. 77

8 Generator Capacity less than 1 Megawatt The total of all grid-connected capacity less than 1 megawatt, regardless of physical location, that is dedicated to satisfying the needs of the reporting region. 8a Distributed Generator Capacity less than 1 Megawatt The amount of the capacity reported on line 8 that is comprised of distributed generators, as defined in the glossary. 8b Other Capacity less than 1 Megawatt The amount of the capacity reported on line 8 that is not comprised of distributed generators as defined in the glossary. (This should equal line 8, less line 8a.) 9 Total Net Generator Capacity The sum of line 7d and line 8. 9b Distributed Generator Capacity, 1 Megawatt or Greater The amount of the capacity reported on line 7 that is comprised of distributed generators, as defined in the glossary. This is broken out for informational purposes. 10 Total Capacity Purchases/Transfers The total of all capacity purchases from sources outside the boundaries of the Reporting Party as reported in Schedule 4 at the time of the purchaser s peak demand. If not equal to the total in Schedule 4, Parts A and B, explain in a footnote on Schedule 9. 10a Full Responsibility Purchases Total of all purchases for which the seller is contractually obligated to deliver power and energy to the purchaser with the same degree of reliability as provided to the seller s own native load (customers). Each purchaser and seller must agree on which of their transactions are reported under this heading. 78

11 Total Capacity Sales/Transfers The total of all capacity sales to purchasers outside the boundaries of the Reporting Party, as reported in Schedule 4 at the time of the seller s peak demand. If not equal to the total in Schedule 4, Parts C and D, explain in a footnote on Schedule 9. 11a Full Responsibility Sales Total of all sales for which the seller is contractually obligated to deliver power and energy to the purchaser with the same degree of reliability as provided to the seller s own native load (customers). Each purchaser and seller must agree on which of their transactions are reported under this heading. 12 Planned Capacity Resources Utility- and IPP-owned generating capacity that is existing or in various stages of planning or construction, less inoperable capacity, plus planned capacity purchases from other resources, less planned capacity sales. Equal to Line 09 plus Line 10 minus Line 11. 79

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ITEM 3.1 PROJECTED CAPACITY AND DEMAND FOR TEN YEARS SUMMER 81

Item 3.1 Projected Capacity and Demand for Ten Years Summer 2005 Demand in Megawatts 01 02 03 04 05 06 07 7a 7a1 7a2 7b 7b1 7b2 7b3 7c 7d 8 8a 8b 9 9b 10 10a 11 11a 12 Direct Total Net Jointly New Total Derating Derating Subtotal Generator Distributed Other Total Net Distributed Total Capacity Full Total Capac Full Planned Internal Standby Total Internal Control Load Interruptible Net Internal Operable Owned Capacity Control Area Uncommited Unit Spec. Group Scheduled Other Commited Capacity Generator Capacity Generator Generator Purchases/ Responsibility Sales/ Responsibility Capacity System Demand Demand Demand Management Demand Demand Capacity Unit Capacity Additions Capacity Capacity Subtotal subtotal Maintenance Generation Capacity < 1 MW Capacity < 1MW < 1 MW Capacity Capacity >1 MW Transfers Purchases Transfers Sales Resources AREC 801 0 801 0 15 786 341 264 0 605 0 0 0 0 0 605 0 0 0 605 0 89 0 0 0 694 CELE 2014 0 2014 0 179 1835 4319-691 0 3628 2269 0 0 0 0 1359 0 0 0 1359 0 667 0 0 0 2026 CLWL 47 0 47 0 0 47 382 0 0 382 0 0 0 0 0 382 0 0 0 382 0 22 22 320 320 84 EMDE 1087 0 1087 0 0 1087 1222-120 0 1102 0 0 0 0 0 1102 0 0 0 1102 0 162 0 0 0 1264 GRRD 1553 0 1553 0 0 1553 1609-198 0 1411 105 0 0 0 0 1306 0 0 0 1306 0 634 634 284 284 1656 INDN 296 0 296 0 0 296 288 0 0 288 0 0 0 0 0 288 0 0 0 288 107 90 0 0 0 378 KACP 3536 0 3536 0 24 3512 4612-334 0 4278 237 0 0 0 0 4041 0 0 0 4041 58 135 135 141 141 4035 KACY 501 0 501 0 0 501 537 0 0 537 0 0 0 0 0 537 0 0 0 537 0 118 0 58 0 597 KAGE 2441 0 2441 0 143 2298 2715 593 0 3308 0 0 0 0 0 3308 0 0 0 3308 0 162 0 142 0 3328 KAPL 2643 0 2643 0 49 2594 3920-596 0 3324 0 4 0 0 0 3320 0 0 0 3320 0 300 0 511 0 3109 LAFA 438 0 438 0 0 438 388 0 0 388 0 0 0 0 0 388 0 0 0 388 0 281 281 61 61 608 LEPA 248 0 248 0 0 248 184 108 0 292 0 0 0 0 0 292 0 0 0 292 0 6 6 55 55 243 MIDW 322 0 322 0 40 282 32 0 0 32 0 7 0 0 0 25 0 0 0 25 0 325 325 0 0 350 MIPU 1826 0 1826 0 0 1826 1449 293 0 1742 0 0 9 0 0 1733 0 0 0 1733 0 520 520 0 0 2253 OKGE 5766 0 5766 0 0 5766 7194 489 0 7683 997 0 0 0 0 6686 0 0 0 6686 0 141 141 10 10 6817 OMPA 616 0 616 0 0 616 214 211 0 425 0 0 0 0 0 425 0 0 0 425 211 288 203 9 0 704 PSOK 4076 0 4076 0 18 4058 7427 108 0 7535 3316 0 0 0 0 4219 0 0 0 4219 0 369 238 0 0 4588 SOEP 4725 0 4725 0 0 4725 5578-2 0 5576 604 0 0 0 0 4972 0 0 0 4972 0 774 500 95 30 5651 SPRM 720 0 720 0 0 720 785 0 0 785 0 0 0 0 0 785 0 0 0 785 0 161 101 37 32 909 SUNC 420 0 420 0 0 420 668 0 0 668 0 0 0 0 0 668 0 0 0 668 0 0 0 165 0 503 SWPA 1064 0 1064 0 0 1064 2860 0 0 2860 0 0 0 0 0 2860 0 0 0 2860 0 460 460 1661 3067 1659 SWPS 4828 0 4828 6 174 4648 5534 0 0 5534 0 0 0 0 0 5534 0 0 0 5534 0 150 0 250 250 5434 WEFA 1243 0 1243 0 0 1243 1234 0 0 1234 0 0 0 0 0 1234 0 0 0 1234 0 279 279 0 0 1513 WEPL 487 0 487 0 0 487 514 177 0 691 124 0 0 0 0 567 0 0 0 567 0 76 76 0 0 643 YAZO 29 0 29 0 0 29 33 0 0 33 0 0 0 0 0 33 0 0 0 33 0 15 15 0 0 48 Total: 41727 0 41727 6 642 41079 54038 302 0 54340 7652 11 9 0 0 46667 0 0 0 46667 376 6224 3936 3799 4250 49092 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 82

Item 3.1 Projected Capacity and Demand for Ten Years Summer 2006 Demand in Megawatts 01 02 03 04 05 06 07 7a 7a1 7a2 7b 7b1 7b2 7b3 7c 7d 8 8a 8b 9 9b 10 10a 11 11a 12 Direct Total Net Jointly New Total Derating Derating Subtotal Generator Distributed Other Total Net Distributed Total Capacity Full Total Capac Full Planned Internal Standby Total Internal Control Load Interruptible Net Internal Operable Owned Capacity Control Area Uncommited Unit Spec. Group Scheduled Other Commited Capacity Generator Capacity Generator Generator Purchases/ Responsibility Sales/ Responsibility Capacity System Demand Demand Demand Management Demand Demand Capacity Unit Capacity Additions Capacity Capacity Subtotal subtotal Maintenance Generation Capacity < 1 MW Capacity < 1MW < 1 MW Capacity Capacity >1 MW Transfers Purchases Transfers Sales Resources AREC 793 0 793 0 17 776 341 264 0 605 0 0 0 0 0 605 0 0 0 605 0 239 0 0 0 844 CELE 2010 0 2010 0 178 1832 4319-691 0 3628 2269 0 0 0 0 1359 0 0 0 1359 0 767 0 0 0 2126 CLWL 47 0 47 0 0 47 382 0 0 382 0 0 0 0 0 382 0 0 0 382 0 22 22 320 320 84 EMDE 1103 0 1103 0 8 1095 1222-120 0 1102 0 0 0 0 0 1102 0 0 0 1102 0 162 0 0 0 1264 GRRD 907 0 907 0 0 907 1609-198 0 1411 105 0 0 0 0 1306 0 0 0 1306 0 13 13 244 244 1075 INDN 325 0 325 0 0 325 288 0 0 288 0 0 0 0 0 288 0 0 0 288 107 90 0 0 0 378 KACP 3650 0 3650 9 46 3595 4612-334 12 4290 237 0 0 0 0 4053 0 0 0 4053 58 152 152 141 141 4064 KACY 543 0 543 0 0 543 537 0 77 614 0 0 0 0 0 614 0 0 0 614 0 103 0 58 0 659 KAGE 2585 0 2585 0 143 2442 2715 593 0 3308 0 0 0 0 0 3308 0 0 0 3308 0 162 0 142 0 3328 KAPL 2789 0 2789 0 49 2740 3920-596 300 3624 0 4 0 0 0 3620 0 0 0 3620 0 80 0 511 0 3189 LAFA 431 0 431 0 0 431 388 0 86 474 0 0 0 0 0 474 0 0 0 474 0 281 281 0 0 755 LEPA 216 0 216 0 0 216 184 108 0 292 0 0 0 0 0 292 0 0 0 292 0 6 6 55 55 243 MIDW 324 0 324 0 40 284 32 0 0 32 0 7 0 0 0 25 0 0 0 25 0 325 325 0 0 350 MIPU 1854 0 1854 0 0 1854 1449 293 0 1742 0 0 0 0 0 1742 0 0 0 1742 0 395 395 0 0 2137 OKGE 5952 0 5952 0 91 5861 7194 489 0 7683 997 0 0 0 0 6686 0 0 0 6686 0 141 141 10 10 6817 OMPA 618 0 618 0 0 618 214 211 0 425 0 0 0 0 0 425 0 0 0 425 211 288 203 9 0 704 PSOK 4051 0 4051 0 51 4000 7495 108 0 7603 3316 0 0 0 0 4287 0 0 0 4287 0 380 98 0 0 4667 SOEP 4736 0 4736 36 0 4700 5578-2 0 5576 604 2 0 0 0 4970 0 0 0 4970 0 936 445 43 0 5863 SPRM 762 0 762 0 0 762 785 0 3 788 0 0 0 0 0 788 0 0 0 788 0 161 101 38 33 911 SUNC 424 0 424 0 0 424 668 0 0 668 0 0 0 0 0 668 0 0 0 668 0 0 0 125 0 543 SWPA 1074 0 1074 0 0 1074 2860 0 0 2860 0 0 0 0 0 2860 0 0 0 2860 0 461 461 1661 3067 1660 SWPS 4757 0 4757 6 135 4616 5534 0 16 5550 0 0 0 0 0 5550 0 0 0 5550 0 654 0 200 200 6004 WEFA 1285 0 1285 0 0 1285 1234 0 0 1234 0 0 0 0 0 1234 0 0 0 1234 0 279 279 0 0 1513 WEPL 482 0 482 0 0 482 514 177 0 691 124 0 0 0 0 567 0 0 0 567 0 76 76 0 0 643 YAZO 29 0 29 0 0 29 33 0 0 33 0 0 0 0 0 33 0 0 0 33 0 15 15 0 0 48 Total: 41747 0 41747 51 758 40938 54106 302 494 54902 7652 13 0 0 0 47236 0 0 0 47236 376 6188 3013 3557 4070 49867 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 83

Item 3.1 Projected Capacity and Demand for Ten Years Summer 2007 Demand in Megawatts 01 02 03 04 05 06 07 7a 7a1 7a2 7b 7b1 7b2 7b3 7c 7d 8 8a 8b 9 9b 10 10a 11 11a 12 Direct Total Net Jointly New Total Derating Derating Subtotal Generator Distributed Other Total Net Distributed Total Capacity Full Total Capac Full Planned Internal Standby Total Internal Control Load Interruptible Net Internal Operable Owned Capacity Control Area Uncommited Unit Spec. Group Scheduled Other Commited Capacity Generator Capacity Generator Generator Purchases/ Responsibility Sales/ Responsibility Capacity System Demand Demand Demand Management Demand Demand Capacity Unit Capacity Additions Capacity Capacity Subtotal subtotal Maintenance Generation Capacity < 1 MW Capacity < 1MW < 1 MW Capacity Capacity >1 MW Transfers Purchases Transfers Sales Resources AREC 822 0 822 0 17 805 341 264 0 605 0 0 0 0 0 605 0 0 0 605 0 239 0 0 0 844 CELE 2059 0 2059 0 179 1880 4319-691 0 3628 2269 0 0 0 2269 1359 0 0 0 1359 0 867 0 0 0 2226 CLWL 48 0 48 0 0 48 382 0 0 382 0 0 0 0 0 382 0 0 0 382 0 22 22 320 320 84 EMDE 1128 0 1128 0 8 1120 1222-120 155 1257 0 0 0 0 0 1257 0 0 0 1257 0 162 0 0 0 1419 GRRD 970 0 970 0 0 970 1609-198 0 1411 105 0 0 0 105 1306 0 0 0 1306 0 13 13 244 244 1075 INDN 330 0 330 0 0 330 288 0 0 288 0 0 0 0 0 288 0 0 0 288 107 90 0 0 0 378 KACP 3715 0 3715 14 59 3642 4612-334 110 4388 237 93 0 0 237 4058 0 0 0 4058 58 212 212 141 141 4129 KACY 551 0 551 0 0 551 537 0 77 614 0 0 0 0 0 614 0 0 0 614 0 113 0 58 0 669 KAGE 2643 0 2643 0 143 2500 2715 593 0 3308 0 0 0 0 0 3308 0 0 0 3308 0 162 0 142 0 3328 KAPL 2861 0 2861 0 49 2812 3920-596 300 3624 0 4 0 0 0 3620 0 0 0 3620 0 80 0 511 0 3189 LAFA 440 0 440 0 0 440 388 0 86 474 0 0 0 0 0 474 0 0 0 474 0 281 281 0 0 755 LEPA 218 0 218 0 0 218 184 108 0 292 0 0 0 0 0 292 0 0 0 292 0 6 6 55 55 243 MIDW 325 0 325 0 40 285 32 0 0 32 0 7 0 0 0 25 0 0 0 25 0 325 325 0 0 350 MIPU 1897 0 1897 0 0 1897 1449 293 0 1742 0 0 0 0 0 1742 0 0 0 1742 0 435 435 0 0 2177 OKGE 6065 0 6065 0 91 5974 7194 489 0 7683 997 0 0 0 997 6686 0 0 0 6686 0 201 141 10 10 6877 OMPA 625 0 625 0 0 625 214 211 0 425 0 0 0 0 0 425 0 0 0 425 211 313 228 9 0 729 PSOK 4072 0 4072 0 51 4021 7495 108 0 7603 3316 0 0 0 3316 4287 0 0 0 4287 0 387 124 0 0 4674 SOEP 4812 0 4812 53 0 4759 5578-2 0 5576 604 3 0 0 604 4969 0 0 0 4969 0 914 420 48 0 5835 SPRM 781 0 781 0 0 781 785 0 3 788 0 0 0 0 0 788 0 0 0 788 0 101 101 35 35 854 SUNC 436 0 436 0 0 436 668 0 0 668 0 0 0 0 0 668 0 0 0 668 0 0 0 25 0 643 SWPA 1085 0 1085 0 0 1085 2860 0 0 2860 0 0 0 0 0 2860 0 0 0 2860 0 464 464 1661 3067 1663 SWPS 4833 0 4833 6 135 4692 5534 0 16 5550 0 0 0 0 0 5550 0 0 0 5550 0 425 0 133 133 5842 WEFA 1307 0 1307 0 0 1307 1234 0 0 1234 0 0 0 0 0 1234 0 0 0 1234 0 279 279 0 0 1513 WEPL 486 0 486 0 0 486 514 177 0 691 124 0 0 0 124 567 0 0 0 567 0 76 76 0 0 643 YAZO 30 0 30 0 0 30 33 0 0 33 0 0 0 0 0 33 0 0 0 33 0 15 15 0 0 48 Total: 42539 0 42539 73 772 41694 54106 302 747 55155 7652 107 0 0 7652 47395 0 0 0 47395 376 6182 3142 3392 4005 50185 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 84

Item 3.1 Projected Capacity and Demand for Ten Years Summer 2008 Demand in Megawatts 01 02 03 04 05 06 07 7a 7a1 7a2 7b 7b1 7b2 7b3 7c 7d 8 8a 8b 9 9b 10 10a 11 11a 12 Direct Total Net Jointly New Total Derating Derating Subtotal Generator Distributed Other Total Net Distributed Total Capacity Full Total Capac Full Planned Internal Standby Total Internal Control Load Interruptible Net Internal Operable Owned Capacity Control Area Uncommited Unit Spec. Group Scheduled Other Commited Capacity Generator Capacity Generator Generator Purchases/ Responsibility Sales/ Responsibility Capacity System Demand Demand Demand Management Demand Demand Capacity Unit Capacity Additions Capacity Capacity Subtotal subtotal Maintenance Generation Capacity < 1 MW Capacity < 1MW < 1 MW Capacity Capacity >1 MW Transfers Purchases Transfers Sales Resources AREC 851 0 851 0 17 834 341 264 0 605 0 0 0 0 0 605 0 0 0 605 0 239 0 0 0 844 CELE 2088 0 2088 0 180 1908 4319-691 0 3628 2269 0 0 0 0 1359 0 0 0 1359 0 867 0 0 0 2226 CLWL 48 0 48 0 0 48 382 0 0 382 0 0 0 0 0 382 0 0 0 382 0 22 22 320 320 84 EMDE 1154 0 1154 0 8 1146 1222-120 155 1257 0 0 0 0 0 1257 0 0 0 1257 0 162 0 0 0 1419 GRRD 989 0 989 0 0 989 1609-198 0 1411 105 0 0 0 0 1306 0 0 0 1306 0 13 13 179 179 1140 INDN 334 0 334 0 0 334 288 0 0 288 0 0 0 0 0 288 0 0 0 288 107 90 0 0 0 378 KACP 3782 0 3782 20 86 3676 4612-334 110 4388 237 93 0 0 0 4058 0 0 0 4058 58 252 252 141 141 4169 KACY 555 0 555 0 0 555 537 0 77 614 0 0 0 0 0 614 0 0 0 614 0 113 0 58 0 669 KAGE 2694 0 2694 0 143 2551 2715 593 0 3308 0 0 0 0 0 3308 0 0 0 3308 0 162 0 142 0 3328 KAPL 2930 0 2930 0 49 2881 3920-596 465 3789 0 4 0 0 0 3785 0 0 0 3785 0 80 0 511 0 3354 LAFA 449 0 449 0 0 449 388 0 86 474 0 0 0 0 0 474 0 0 0 474 0 281 281 0 0 755 LEPA 220 0 220 0 0 220 184 108 0 292 0 0 0 0 0 292 0 0 0 292 0 6 6 55 55 243 MIDW 327 0 327 0 41 286 32 0 0 32 0 7 0 0 0 25 0 0 0 25 0 325 325 0 0 350 MIPU 1942 0 1942 0 0 1942 1449 293 0 1742 0 0 0 0 0 1742 0 0 0 1742 0 485 485 0 0 2227 OKGE 6169 0 6169 0 91 6078 7194 489 500 8183 997 0 0 0 0 7186 0 0 0 7186 0 141 141 10 10 7317 OMPA 631 0 631 0 0 631 214 240 0 454 0 0 0 0 0 454 0 0 0 454 211 313 228 9 0 758 PSOK 4116 0 4116 0 51 4065 7495 108 324 7927 3316 0 0 0 0 4611 0 0 0 4611 0 121 68 0 0 4732 SOEP 4896 0 4896 50 0 4846 5578-2 243 5819 604 3 0 0 0 5212 0 0 0 5212 0 804 175 48 0 5968 SPRM 799 0 799 0 0 799 785 0 3 788 0 0 0 0 0 788 0 0 0 788 0 101 101 37 37 852 SUNC 442 0 442 0 0 442 668 0 0 668 0 0 0 0 0 668 0 0 0 668 0 0 0 0 0 668 SWPA 1096 0 1096 0 0 1096 2860 0 0 2860 0 0 0 0 0 2860 0 0 0 2860 0 399 399 1661 3067 1598 SWPS 4911 0 4911 6 135 4770 5534 0 16 5550 0 0 0 0 0 5550 0 0 0 5550 0 412 0 133 133 5829 WEFA 1332 0 1332 0 0 1332 1234 0 0 1234 0 0 0 0 0 1234 0 0 0 1234 0 279 279 0 0 1513 WEPL 491 0 491 0 0 491 514 177 0 691 124 0 0 0 0 567 0 0 0 567 0 63 63 0 0 630 YAZO 30 0 30 0 0 30 33 0 0 33 0 0 0 0 0 33 0 0 0 33 0 15 15 0 0 48 Total: 43276 0 43276 76 801 42399 54106 331 1979 56416 7652 107 0 0 0 48656 0 0 0 48656 376 5745 2853 3304 3942 51097 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 85

Item 3.1 Projected Capacity and Demand for Ten Years Summer 2009 Demand in Megawatts 01 02 03 04 05 06 07 7a 7a1 7a2 7b 7b1 7b2 7b3 7c 7d 8 8a 8b 9 9b 10 10a 11 11a 12 Direct Total Net Jointly New Total Derating Derating Subtotal Generator Distributed Other Total Net Distributed Total Capacity Full Total Capac Full Planned Internal Standby Total Internal Control Load Interruptible Net Internal Operable Owned Capacity Control Area Uncommited Unit Spec. Group Scheduled Other Commited Capacity Generator Capacity Generator Generator Purchases/ Responsibility Sales/ Responsibility Capacity System Demand Demand Demand Management Demand Demand Capacity Unit Capacity Additions Capacity Capacity Subtotal subtotal Maintenance Generation Capacity < 1 MW Capacity < 1MW < 1 MW Capacity Capacity >1 MW Transfers Purchases Transfers Sales Resources AREC 882 0 882 0 17 865 341 264 0 605 0 0 0 0 0 605 0 0 0 605 0 89 0 0 0 694 CELE 2117 0 2117 0 181 1936 4319-691 0 3628 2269 0 0 0 0 1359 0 0 0 1359 0 867 0 0 0 2226 CLWL 49 0 49 0 0 49 382 0 0 382 0 0 0 0 0 382 0 0 0 382 0 16 16 320 320 78 EMDE 1179 0 1179 0 8 1171 1222-120 155 1257 0 0 0 0 0 1257 0 0 0 1257 0 162 0 0 0 1419 GRRD 1009 0 1009 0 0 1009 1609-198 0 1411 105 0 0 0 0 1306 0 0 0 1306 0 13 13 179 179 1140 INDN 339 0 339 0 0 339 288 0 0 288 0 0 0 0 0 288 0 0 0 288 107 145 0 0 0 433 KACP 3850 0 3850 32 124 3694 4612-334 127 4405 237 93 0 0 0 4075 0 0 0 4075 58 252 252 141 141 4186 KACY 559 0 559 0 0 559 537 0 77 614 0 0 0 0 0 614 0 0 0 614 0 118 0 58 0 674 KAGE 2738 0 2738 0 143 2595 2715 593 0 3308 0 0 0 0 0 3308 0 0 0 3308 0 162 0 142 0 3328 KAPL 2990 0 2990 0 49 2941 3920-596 465 3789 0 4 0 0 0 3785 0 0 0 3785 0 80 0 511 0 3354 LAFA 457 0 457 0 0 457 388 0 86 474 0 0 0 0 0 474 0 0 0 474 0 281 281 0 0 755 LEPA 223 0 223 0 0 223 184 108 0 292 0 0 0 0 0 292 0 0 0 292 0 6 6 55 55 243 MIDW 329 0 329 0 41 288 32 0 0 32 0 7 0 0 0 25 0 0 0 25 0 325 325 0 0 350 MIPU 1982 0 1982 0 0 1982 1449 293 0 1742 0 0 0 0 0 1742 0 0 0 1742 0 535 535 0 0 2277 OKGE 6243 0 6243 0 91 6152 7194 489 0 7683 997 0 0 0 0 6686 0 0 0 6686 0 141 141 10 10 6817 OMPA 637 0 637 0 0 637 214 240 0 454 0 0 0 0 0 454 0 0 0 454 211 313 228 9 0 758 PSOK 4187 0 4187 0 51 4136 7495 108 584 8187 3316 0 0 0 0 4871 0 0 0 4871 0 84 68 143 0 4812 SOEP 4981 0 4981 49 0 4932 5578-2 243 5819 604 3 0 0 0 5212 0 0 0 5212 0 906 175 52 0 6066 SPRM 819 0 819 0 0 819 785 0 3 788 0 0 0 0 0 788 0 0 0 788 0 101 101 39 39 850 SUNC 442 0 442 0 0 442 668 0 0 668 0 0 0 0 0 668 0 0 0 668 0 0 0 0 0 668 SWPA 1107 0 1107 0 0 1107 2860 0 0 2860 0 0 0 0 0 2860 0 0 0 2860 0 401 401 1661 3067 1600 SWPS 4988 0 4988 6 135 4847 5534 0 16 5550 0 0 0 0 0 5550 0 0 0 5550 0 412 0 133 133 5829 WEFA 1354 0 1354 0 0 1354 1234 0 0 1234 0 0 0 0 0 1234 0 0 0 1234 0 279 279 0 0 1513 WEPL 495 0 495 0 0 495 514 177 0 691 124 0 0 0 0 567 0 0 0 567 0 63 63 0 0 630 YAZO 29 0 29 0 0 29 33 0 0 33 0 0 0 0 0 33 0 0 0 33 0 11 11 0 0 44 Total: 43985 0 43985 87 840 43058 54106 331 1756 56193 7652 107 0 0 0 48433 0 0 0 48433 376 5762 2895 3453 3944 50742 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 86

Item 3.1 Projected Capacity and Demand for Ten Years Summer 2010 Demand in Megawatts 01 02 03 04 05 06 07 7a 7a1 7a2 7b 7b1 7b2 7b3 7c 7d 8 8a 8b 9 9b 10 10a 11 11a 12 Direct Total Net Jointly New Total Derating Derating Subtotal Generator Distributed Other Total Net Distributed Total Capacity Full Total Capac Full Planned Internal Standby Total Internal Control Load Interruptible Net Internal Operable Owned Capacity Control Area Uncommited Unit Spec. Group Scheduled Other Commited Capacity Generator Capacity Generator Generator Purchases/ Responsibility Sales/ Responsibility Capacity System Demand Demand Demand Management Demand Demand Capacity Unit Capacity Additions Capacity Capacity Subtotal subtotal Maintenance Generation Capacity < 1 MW Capacity < 1MW < 1 MW Capacity Capacity >1 MW Transfers Purchases Transfers Sales Resources AREC 914 0 914 0 17 897 341 264 0 605 0 0 0 0 0 605 0 0 0 605 0 89 0 0 0 694 CELE 2146 0 2146 0 182 1964 4319-691 612 4240 2269 0 0 0 0 1971 0 0 0 1971 0 317 0 0 0 2288 CLWL 50 0 50 0 0 50 382 0 0 382 0 0 0 0 0 382 0 0 0 382 0 7 7 320 320 69 EMDE 1205 0 1205 0 8 1197 1222-120 255 1357 0 0 0 0 0 1357 0 0 0 1357 0 50 0 0 0 1407 GRRD 1029 0 1029 0 0 1029 1609-198 0 1411 105 0 0 0 0 1306 0 0 0 1306 0 13 13 179 179 1140 INDN 344 0 344 0 0 344 288 0 0 288 0 0 0 0 0 288 0 0 0 288 107 145 0 0 0 433 KACP 3920 0 3920 41 123 3756 4612-334 601 4879 237 93 0 0 0 4549 0 0 0 4549 58 31 31 141 141 4439 KACY 563 0 563 0 0 563 537 0 77 614 0 0 0 0 0 614 0 0 0 614 0 123 0 58 0 679 KAGE 2777 0 2777 0 143 2634 2715 593 0 3308 0 0 0 0 0 3308 0 0 0 3308 0 162 0 142 0 3328 KAPL 3049 0 3049 0 49 3000 3920-596 465 3789 0 4 0 0 0 3785 0 0 0 3785 0 80 0 349 0 3516 LAFA 465 0 465 0 0 465 388 0 86 474 0 0 0 0 0 474 0 0 0 474 0 281 281 0 0 755 LEPA 225 0 225 0 0 225 184 108 0 292 0 0 0 0 0 292 0 0 0 292 0 6 6 55 55 243 MIDW 331 0 331 0 41 290 32 0 0 32 0 7 0 0 0 25 0 0 0 25 0 325 325 0 0 350 MIPU 2023 0 2023 0 0 2023 1449 293 150 1892 0 0 0 0 0 1892 0 0 0 1892 0 475 475 0 0 2367 OKGE 6358 0 6358 0 91 6267 7194 489 0 7683 997 0 0 0 0 6686 0 0 0 6686 0 141 141 10 10 6817 OMPA 643 0 643 0 0 643 214 240 0 454 0 0 0 0 0 454 0 0 0 454 211 313 228 9 0 758 PSOK 4256 0 4256 0 51 4205 7495 108 1025 8628 3316 0 0 0 0 5312 0 0 0 5312 0 96 68 0 0 5408 SOEP 5066 0 5066 49 0 5017 5578-2 722 6298 604 3 0 0 0 5691 0 0 0 5691 0 564 175 54 0 6201 SPRM 838 0 838 0 0 838 785 0 3 788 0 0 0 0 0 788 0 0 0 788 0 101 101 41 41 848 SUNC 442 0 442 0 0 442 668 0 0 668 0 0 0 0 0 668 0 0 0 668 0 0 0 0 0 668 SWPA 1118 0 1118 0 0 1118 2860 0 0 2860 0 0 0 0 0 2860 0 0 0 2860 0 403 403 1661 3067 1602 SWPS 5076 0 5076 6 135 4935 5534 0 16 5550 0 0 0 0 0 5550 0 0 0 5550 0 412 0 133 133 5829 WEFA 1379 0 1379 0 0 1379 1234 0 0 1234 0 0 0 0 0 1234 0 0 0 1234 0 279 279 0 0 1513 WEPL 500 0 500 0 0 500 514 177 0 691 124 0 0 0 0 567 0 0 0 567 0 63 63 0 0 630 YAZO 30 0 30 0 0 30 33 0 0 33 0 0 0 0 0 33 0 0 0 33 0 11 11 0 0 44 Total: 44747 0 44747 96 840 43811 54106 331 4012 58449 7652 107 0 0 0 50689 0 0 0 50689 376 4487 2607 3152 3946 52024 Note: AEPW=PSOK & SOEP Aquila = MIPU & WEPL Westar Energy = KAGE & KAPL 87