Graph #1. Micro-Generation Generating Units in Alberta 20

2, Graph #1. Micro-Generation Generating Units in Alberta 2 Cumulative # of Generating Units 1,9 1,8 1,7 1,6 1,5 1,4 1,3 1,2 1,1 1, 9 8 7 6 5 4 3 2 Number of MGG Units as of 216 Mar 31 Number of Solar PV Systems as of 216 March 31 (L1) MGG Units Generating Capacity Cumulative Installed Solar PV Array Generating Capacity (L2) Target Track for PV Capacity to Reach 2 GW Installed by 224 At present annual PV growth rates, 2 GW will be reached by 224 November 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 Total Installed Generating Capacity (MW) 1 1 29 1 21 1 211 1 212 1 213 1 214 1 215 1 216 1 217 1 218 1

2, Graph #2. Grid-Connected Solar PV Systems in Alberta 2 Cumulative # of Solar PV Systems 1,9 1,8 1,7 1,6 1,5 1,4 1,3 1,2 1,1 1, 9 8 7 6 5 4 3 2 1 Number of Solar PV Systems as of 216 March 31 (L1) Cumulative Installed Solar PV Array Generating Capacity (L2) Target Track for PV Capacity to Reach 2 GW Installed by 224 At present annual PV growth rates, 2 GW will be reached by 224 November 19 18 17 16 15 14 13 12 11 1 9 8 7 6 5 4 3 2 1 Total Installed PV Generating Capacity (MW) 29 1 21 1 211 1 212 1 213 1 214 1 215 1 216 1 217 1 218 1

6 Graph #3. Alberta's Solar PV Market 12 Annual Increase in Solar PV (systems/year) 55 5 45 4 35 3 25 2 15 1 5 Annual Increase in Number of Solar PV Systems as of 216 March 31 (L3) Annual Solar PV Market (L4) Target Track for Growth in PV Capacity to Reach 2 GW Cumulative Installed by 224 At present annual PV growth rates, 2 GW will be reached by 224 November Note: The size of the PV market is the amount of PV capacity installed in a year. 11 1 9 8 7 6 5 4 3 2 1 Annual Increase in PV Capacity (MW/year) 29 1 21 1 211 1 212 1 213 1 214 1 215 1 216 1 217 1 218 1

18% Graph #4. The Change in Alberta's Solar PV Market 68% Change in Annual Solar PV Installed (%/year) 16% 14% 12% 1% 8% 6% 4% 2% Change in Alberta's Annual Solar PV Capacity (L5) Change in Alberta's Annual Solar PV Market (L6) Note: The size of the PV market is the amount of PV capacity installed in a year. 64% 6% 56% 52% 48% 44% 4% 36% 32% 28% 24% 2% 16% 12% 8% 4% % Change in Annual Solar PV Market (%/year) % -4% 29 1 21 1 211 1 212 1 213 1 214 1 215 1 216 1 217 1 218 1

The Growth of Solar PV in Alberta as at the end of 216 March ver 6 (A) (B) (C) (D) (E) (F) (G) (H) (I) (J) (K) (L) (M) (N) (O) (P) (Q) (R) (S) (T) (U) (V) (W) (X) (Y) (Z) (AA) (BB) (CC) (DD) (EE) (FF) 1. methane, pumpjack or waste solar & wind generating distribution-connected Total Micro-Generation Solar PV Generating Units heat recovery generating units on one site wind-generating units Generating Units units 2. (Graphed line) (L1) (L2) (L3) (L4) (L5) (L6) 3. increase in the month cumulative annual increment cumulative cumulative 4. total change incr capacity total Added capacity solar solar avg PV capa- in since increase PV capa- total capa- total capa- total total MG In The avg site PV PV array array capacity avg city market 28 since portion MGG generating Month Of added added capacity capacity capacity added added capacity added added size Dec 28 Dec of MG added added city added added city added added city units capacity capacity increase since 28 Dec 5. # kw DC kw DC # kw DC kw DC # kw DC kw/site % % % %/year %/year % kw # kw # kw # kw # kw # kw # kw # kw %/year Source of Data 6. 216 Mar AB En 24 27 11.3 1,372 9,596 7. 319 4,442 13.9 3% 86% 121% 83% 97% 88% 1 3 28 178 64 912 8 253 1,472 1,939 94% 7. 216 Feb AB En 16 12 7.5 1,348 9,326 6.9 298 4,182 14. 28% 81% 17% 84% 98% 87% 27 175 64 912 8 253 1,447 1,666 95% 8. 216 Jan AB En 16 121 7.6 1,332 9,26 6.9 295 4,287 14.5 28% 87% 129% 85% 99% 87% 27 175 64 912 8 253 1,431 1,546 96% 9. 215 Dec AB En 24 154 6.4 1,316 9,85 6.9 33 4,245 14. 3% 88% 125% 86% 11% 87% 27 175 64 912 8 253 1,415 1,425 98% 1. 215 Nov AB En 3 173 5.8 1,292 8,931 6.9 36 4,24 13.9 31% 9% 137% 87% 12% 87% 27 175 64 912 8 253 1,391 1,271 99% 11. 215 Oct AB En 3 2 6.7 1,262 8,758 6.9 296 4,145 14. 31% 9% 124% 88% 13% 87% 27 175 64 912 8 253 1,361 1,98 1% 12. 215 Sep AB En 3 285 9.5 1,232 8,558 6.9 33 4,114 13.6 33% 93% 114% 89% 14% 86% 27 175 64 912 8 253 1,331 9,898 11% 13. 215 Aug AB En 26 32 12.3 1,22 8,273 6.9 293 3,971 13.6 32% 92% 121% 89% 15% 86% 1 6 27 175 64 912 8 253 1,31 9,613 12% 14. 215 Jul AB En 34 176 5.2 1,176 7,953 6.8 291 3,891 13.4 33% 96% 138% 9% 16% 86% 26 169 64 912 8 253 1,274 9,287 13% 15. 215 Jun AB En 47 287 6.1 1,142 7,777 6.8 281 3,953 14.1 33% 13% 167% 91% 17% 85% 26 169 64 912 8 253 1,24 9,111 14% 16. 215 May AB En 28 2,115 75.5 1,95 7,49 6.8 258 3,773 14.6 31% 12% 17% 91% 17% 85% 26 169 64 912 8 253 1,193 8,824 15% 17. 215 Apr AB En 14 221 15.8 1,67 5,375 5. 25 2,17 8.1 31% 6% 82% 92% 99% 8% 26 169 64 912 8 253 1,165 6,79 98% 18. 215 Mar AB En 3 1 3.3 1,53 5,154 4.9 264 2,13 7.6 33% 64% 14% 94% 99% 79% 26 169 64 912 8 253 1,151 6,488 99% 19. 215 Feb AB En 13 225 17.3 1,5 5,144 4.9 265 2,18 7.6 34% 65% 86% 95% 11% 79% 26 169 64 912 8 253 1,148 6,478 11% 2. 215 Jan AB En 24 79 3.3 1,37 4,919 4.7 262 1,871 7.1 34% 61% 66% 97% 12% 79% 26 169 64 912 8 253 1,135 6,253 11% 21. 214 Dec AB En 27 149 5.5 1,13 4,84 4.8 25 1,883 7.5 33% 64% 6% 98% 13% 78% 26 169 64 912 8 253 1,111 6,174 13% 22. 214 Nov AB En 2 78 3.9 986 4,691 4.8 237 1,788 7.5 32% 62% 47% 99% 14% 78% 26 169 64 912 8 253 1,84 6,25 14% 23. 214 Oct AB En 37 169 4.6 966 4,613 4.8 247 1,85 7.5 34% 67% 5% 1% 15% 78% 26 169 64 912 8 253 1,64 5,947 16% 24. 214 Sep AB En 2 142 7.1 929 4,444 4.8 25 1,923 7.7 37% 76% 77% 11% 16% 77% 26 169 64 912 8 253 1,27 5,778 17% 25. 214 Aug AB En 24 24 1. 99 4,32 4.7 244 1,799 7.4 37% 72% 54% 12% 17% 76% 26 169 64 912 8 253 1,7 5,636 18% 26. 214 Jul AB En 24 238 9.9 885 4,62 4.6 238 1,635 6.9 37% 67% 33% 13% 17% 75% 26 169 64 912 8 253 983 5,396 19% 27. 214 Jun AB En 24 17 4.5 861 3,824 4.4 23 1,48 6.4 36% 63% 22% 14% 17% 74% 26 169 64 912 8 253 959 5,158 11% 28. 214 May AB En 2 359 18. 837 3,717 4.4 213 1,399 6.6 34% 6% 12% 15% 19% 74% 26 169 64 912 8 253 935 5,51 111% 29. 214 Apr AB En 28 217 7.8 817 3,358 4.1 216 1,17 5.1 36% 49% -1% 17% 17% 72% 26 169 64 912 8 253 915 4,692 111% 3. 214 Mar AB En 4 15 3.8 789 3,141 4. 24 989 4.8 35% 46% -15% 18% 17% 7% 26 169 64 912 1 1 8 253 887 4,475 111% 31. 214 Feb AB En 1 78 7.8 785 3,126 4. 22 1,86 4.9 39% 53% -2% 11% 19% 7% 26 169 64 912 7 243 882 4,45 114% 32. 214 Jan AB En 12 91 7.6 775 3,48 3.9 234 1,126 4.8 43% 59% 3% 112% 111% 7% 26 169 64 912 7 243 872 4,372 115% 33. 213 Dec AB En 14 54 3.9 763 2,957 3.9 249 1,176 4.7 48% 66% 18% 114% 112% 69% 26 169 64 912 7 243 86 4,281 117% 34. 213 Nov AB En 3 14 4.7 749 2,93 3.9 263 1,219 4.6 54% 72% 31% 116% 114% 69% 26 169 64 912 7 243 846 4,227 12% 35. 213 Oct AB En 4 242 6.1 719 2,763 3.8 269 1,235 4.6 6% 81% 56% 117% 114% 68% 26 169 64 912 7 243 816 4,87 121% 36. 213 Sep AB En 14 18 1.3 679 2,521 3.7 248 1,88 4.4 58% 76% 52% 117% 113% 66% 26 169 1 2 64 912 7 243 776 3,845 121% 37. 213 Aug AB En 18 76 4.2 665 2,53 3.8 254 1,17 4.6 62% 88% 85% 119% 116% 65% 26 169 63 91 7 243 761 3,825 124% 38. 213 Jul AB En 16 83 5.2 647 2,427 3.8 267 1,225 4.6 7% 12% 118% 121% 117% 65% 26 169 63 91 7 243 743 3,749 127% 39. 213 Jun AB En 7 26 3.7 631 2,344 3.7 272 1,21 4.4 76% 17% 141% 123% 119% 64% 26 169-1 -5 63 91 7 243 727 3,666 129% 4. 213 May AB En 23 67 2.9 624 2,318 3.7 282 1,247 4.4 82% 116% 169% 126% 121% 64% 26 169 64 915 7 243 721 3,645 132% 41. 213 Apr AB En 16 99 6.2 61 2,251 3.7 28 1,23 4.4 87% 12% 182% 128% 123% 63% 1 2 26 169 1 5 64 915 7 243 698 3,578 135% 42. 213 Mar AB En 2 112 5.6 585 2,152 3.7 273 1,163 4.3 88% 118% 183% 13% 124% 62% 2 15 25 167 63 91 7 243 68 3,472 137% 43. 213 Feb AB En 24 118 4.9 565 2,4 3.6 271 1,14 4.1 92% 118% 199% 132% 125% 61% 23 152 63 91 7 243 658 3,345 139% 44. 213 Jan AB En 27 141 5.2 541 1,922 3.6 268 1,98 4.1 98% 133% 32% 133% 126% 6% 23 152 63 91 7 243 634 3,227 141% 45. 212 Dec AB En 28 97 3.5 514 1,781 3.5 262 998 3.8 14% 127% 26% 134% 125% 58% 2 36 23 152 63 91 7 243 67 3,86 143% Developed by Howell Mayhew Engineering Page 1 of 3

The Growth of Solar PV in Alberta as at the end of 216 March ver 6 (A) (B) (C) (D) (E) (F) (G) (H) (I) (J) (K) (L) (M) (N) (O) (P) (Q) (R) (S) (T) (U) (V) (W) (X) (Y) (Z) (AA) (BB) (CC) (DD) (EE) (FF) 1. methane, pumpjack or waste solar & wind generating distribution-connected Total Micro-Generation Solar PV Generating Units heat recovery generating units on one site wind-generating units Generating Units units 2. (Graphed line) (L1) (L2) (L3) (L4) (L5) (L6) 3. increase in the month cumulative annual increment cumulative cumulative 4. total change incr capacity total Added capacity solar solar avg PV capa- in since increase PV capa- total capa- total capa- total total MG In The avg site PV PV array array capacity avg city market 28 since portion MGG generating Month Of added added capacity capacity capacity added added capacity added added size Dec 28 Dec of MG added added city added added city added added city units capacity capacity increase since 28 Dec 5. # kw DC kw DC # kw DC kw DC # kw DC kw/site % % % %/year %/year % kw # kw # kw # kw # kw # kw # kw # kw %/year Source of Data 46. 212 Nov AB En 36 156 4.3 486 1,684 3.5 251 927 3.7 17% 122% 221% 135% 126% 57% 21 116 1 4 63 91 7 243 577 2,953 145% 47. 212 Oct AB En 19 95 5. 45 1,528 3.4 227 793 3.5 12% 18% 188% 135% 124% 55% 21 116 62 96 7 243 54 2,793 146% 48. 212 Sep AB En 2 1 5. 431 1,433 3.3 217 716 3.3 11% 1% 169% 137% 124% 53% 1 4 21 116-1 -2 62 96 1 1 7 243 521 2,698 149% 49. 212 Aug AB En 31 131 4.2 411 1,333 3.2 26 633 3.1 1% 9% 131% 138% 124% 52% 2 112 63 98 1 25 6 233 5 2,586 151% 5. 212 Jul AB En 21 68 3.2 38 1,22 3.2 188 561 3. 98% 88% 134% 138% 122% 49% 1 9 2 112 63 98 5 28 468 2,43 152% 51. 212 Jun AB En 17 63 3.7 359 1,134 3.2 172 53 2.9 92% 8% 14% 139% 122% 48% 19 13 1 4 63 98 5 28 446 2,353 155% 52. 212 May AB En 21 5 2.4 342 1,71 3.1 162 463 2.9 9% 76% 91% 141% 123% 47% 19 13 3 6 62 94 5 28 428 2,286 159% 53. 212 Apr AB En 9 32 3.6 321 1,21 3.2 151 436 2.9 89% 75% 85% 141% 124% 46% 1 3 19 13 59 898 5 28 44 2,23 163% 54. 212 Mar AB En 18 53 2.9 312 989 3.2 147 411 2.8 89% 71% 55% 145% 127% 45% 1 6 18 1 3 63 59 898 5 28 394 2,195 169% 55. 212 Feb AB En 21 112 5.3 294 936 3.2 133 369 2.8 83% 65% 41% 146% 128% 62% 17 94 3 8 56 268 5 28 372 1,56 145% 56. 212 Jan AB En 21 41 2. 273 824 3. 117 273 2.3 75% 5% 7% 146% 123% 59% 17 94 53 26 5 28 348 1,386 144% 57. 211 Dec AB En 17 26 1.5 252 783 3.1 16 277 2.6 73% 55% 23% 146% 124% 58% 1 1 17 94 1 4 53 26 5 28 327 1,345 148% 58. 211 Nov AB En 12 22 1.8 235 757 3.2 11 289 2.9 75% 62% 51% 146% 127% 58% 1 5 16 93 1 1 52 256 5 28 38 1,314 152% 59. 211 Oct AB En 9 18 2. 223 735 3.3 93 275 3. 72% 6% 37% 148% 13% 57% 1 9 15 88 1 2 51 255 2 2 5 28 294 1,286 157% 6. 211 Sep AB En 9 17 1.9 214 717 3.4 87 266 3.1 69% 59% 29% 151% 134% 68% 14 79 3 12 5 253 3 8 281 1,57 147% 61. 211 Aug AB En 13 59 4.5 25 7 3.4 86 274 3.2 72% 64% 37% 154% 138% 68% 1 4 14 79 47 241 3 8 269 1,28 151% 62. 211 Jul AB En 5 1 2. 192 641 3.3 76 24 3.2 66% 6% 26% 156% 137% 66% 13 75 47 241 3 8 255 965 152% 63. 211 Jun AB En 7 23 3.3 187 631 3.4 75 246 3.3 67% 64% 36% 161% 142% 66% 13 75 47 241 3 8 25 955 159% 64. 211 May AB En 1 23 2.3 18 68 3.4 73 242 3.3 68% 66% 42% 166% 146% 65% 13 75 1 1 47 241 3 8 243 932 165% 65. 211 Apr AB En 5 7 1.4 17 585 3.4 7 236 3.4 7% 68% 54% 168% 149% 64% 13 75 46 24 3 8 232 98 171% 66. 211 Mar AB En 4 11 2.8 165 578 3.5 71 265 3.7 76% 85% 123% 175% 157% 64% 2 17 13 75 1 4 46 24 3 8 227 91 181% 67. 211 Feb AB En 5 16 3.2 161 567 3.5 73 262 3.6 83% 86% 11% 182% 164% 65% 2 13 11 58 45 236 3 8 22 869 187% 68. 211 Jan AB En 1 45 4.5 156 551 3.5 71 254 3.6 84% 86% 9% 19% 171% 66% 9 45 2 6 45 236 3 8 213 84 195% 69. 21 Dec AB En 12 38 3.2 146 56 3.5 66 225 3.4 83% 8% 6% 193% 17% 64% 9 45 1 2 43 23 3 8 21 789 199% 7. 21 Nov AB En 4 8 2. 134 468 3.5 56 192 3.4 72% 7% 194% 171% 62% 9 45 42 228 3 8 188 749 25% 71. 21 Oct AB En 3 9 3. 13 46 3.5 62 21 3.2 91% 78% 23% 181% 62% 9 45 1 5 42 228 3 8 184 741 219% 72. 21 Sep AB En 8 25 3.1 127 451 3.6 65 26 3.2 15% 84% 216% 192% 62% 9 45 1 1 41 223 3 8 18 727 234% 73. 21 Aug AB En 3 25 8.3 119 426 3.6 65 2 3.1 12% 88% 221% 197% 61% 9 45 1 5 4 222 1 1 3 8 171 71 247% 74. 21 Jul AB En 4 16 4. 116 41 3.5 68 19 2.8 142% 9% 236% 23% 6% 9 45 39 217 2 7 166 67 26% 75. 21 Jun AB En 5 19 3.8 112 385 3.4 68 181 2.7 155% 89% 251% 214% 59% 1 7 9 45 1-1 39 217 2 7 162 654 28% 76. 21 May AB En 7 17 2.4 17 366 3.4 68 171 2.5 174% 88% 266% 224% 58% 1 4 8 38 5 2 38 218 2 7 155 629 3% 77. 21 Apr AB En 6 36 6. 1 349 3.5 6 153 2.6 15% 78% 278% 236% 59% 7 34 1 14 33 198 2 7 142 588 315% 78. 21 Mar AB En 6 8 1.3 94 313 3.3 56 119 2.1 147% 61% 293% 234% 58% 2 6 7 34 2 12 32 184 2 7 135 538 324% 79. 21 Feb AB En 3 8 2.7 88 35 3.5 56 125 2.2 175% 69% 39% 256% 6% 5 28 2 4 3 172 2 7 125 512 351% 8. 21 Jan AB En 5 16 3.2 85 297 3.5 55 134 2.4 183% 82% 342% 283% 59% 5 28 1 2 28 168 2 7 12 5 396% 81. 29 Dec AB En 2 5 2.5 8 281 3.5 63 212 3.4 371% 35% 371% 35% 58% 5 28 2 13 27 166 2 7 114 482 446% 82. 29 Nov AB En 1 17 1.7 78 276 3.5 427% 352% 59% 5 28 2 8 25 153 2 7 11 464 511% 83. 29 Oct AB En 6 14 2.3 68 259 3.8 428% 386% 59% 5 28 23 145 2 7 98 439 585% 84. 29 Sep AB En 8 19 2.4 62 245 4. 461% 439% 58% 5 28 2 6 23 145 2 7 92 425 713% 85. 29 Aug AB En 6 15 2.5 54 226 4.2 466% 489% 57% 5 28 21 139 2 7 82 4 864% Developed by Howell Mayhew Engineering Page 2 of 3

The Growth of Solar PV in Alberta as at the end of 216 March ver 6 (A) (B) (C) (D) (E) (F) (G) (H) (I) (J) (K) (L) (M) (N) (O) (P) (Q) (R) (S) (T) (U) (V) (W) (X) (Y) (Z) (AA) (BB) (CC) (DD) (EE) (FF) 1. methane, pumpjack or waste solar & wind generating distribution-connected Total Micro-Generation Solar PV Generating Units heat recovery generating units on one site wind-generating units Generating Units units 2. (Graphed line) (L1) (L2) (L3) (L4) (L5) (L6) 3. increase in the month cumulative annual increment cumulative cumulative 4. total change incr capacity total Added capacity solar solar avg PV capa- in since increase PV capa- total capa- total capa- total total MG In The avg site PV PV array array capacity avg city market 28 since portion MGG generating Month Of added added capacity capacity capacity added added capacity added added size Dec 28 Dec of MG added added city added added city added added city units capacity capacity increase since 28 Dec 5. # kw DC kw DC # kw DC kw DC # kw DC kw/site % % % %/year %/year % kw # kw # kw # kw # kw # kw # kw # kw %/year Source of Data 86. 29 Jul AB En 4 7 1.8 48 211 4.4 493% 574% 55% 5 28 1 1 21 139 1 4 2 7 76 385 87. 29 Jun AB En 5 9 1.8 44 24 4.6 57% 767% 55% 5 28 4 8 2 138 1 3 1 3 7 373 88. 29 May AB En -1-1 1. 39 195 5. 634% 69% 2 13 5 28 2 2 16 58 6 281 89. 29 Apr AB En 2 2 1. 4 196 4.9 79% 1 2 3 15 3 8 14 38 57 249 9. 29 Mar AB En 6 14 2.3 38 194 5.1 82% 1 6 2 13 7 19 11 3 51 237 91. 29 Feb AB En 2 17 8.5 32 18 5.6 91% 1 7 1 5 4 11 37 198 92. 29 Jan AB En 13 94 7.2 3 163 5.4 93% 1 7-6 3 6 34 176 93. 28 Dec est ~1 ~4 4. 17 69 4.1 78% ~1 ~7 1 7 ~3 6 3 12 21 88 94. 28 Nov est ~5 ~15 3. 7 29 4.2 83% 6 6 7 35 95. 1996 Nov HME 1 12 12. 2 14 7.2 EPCOR's PV system 1% 2 14 96. 1995 Jul HME 1 2.3 2.3 1 2 2.3 this is my house 1% 1 2 97. 1995 Jan HME 98. Data in pale green cells Data in pale yellow cells All numbers show Spreadsheet and graphs developed by All previous updates 99. were provided by Alberta Energy are equations, which use micro-generation generating Howell Mayhew Engineering to these graphs and data 1. from data collected by the data from other cells. units that are operating. For any questions on this, please contact table can be found 11. Alberta Electric System Operator Any units that have been Gordon Howell, P.Eng. at www.hme.ca/pvupdate 12. and the Note: The size of the PV "market" decomissionend are included Howell Mayhew Engineering 13. Alberta Utilities Commission. is the amount of capacity in the monthly totals. Edmonton 14. installed in a year. +1 78 484 476 15. ghowell@hme.ca Developed by Howell Mayhew Engineering Page 3 of 3