| PV generation in KWH by month | ||||||||||||
| Data from | http://rredc.nrel.gov/solar/codes_algs/PVWATTS/version2/ | |||||||||||
| Assumptions | San Jose conditions | 22.6 degree tilt | ||||||||||
| Front of house faces 120 deg, where 180 deg is South. | ||||||||||||
| Contractor | Akeena Solar | Contractor | Sun Power Geothermal | |||||||||
| Panel Output (KWH) | facing 210 | facing 120 | Total | Panel Output (KWH) | facing 210 | facing 120 | facing 300 | Total | ||||
| Jan | 254 | 339 | 593 | Jan | 263 | 165 | 95 | 523 | ||||
| Feb | 311 | 424 | 735 | Feb | 321 | 206 | 142 | 669 | ||||
| Mar | 406 | 572 | 978 | Mar | 420 | 279 | 228 | 927 | ||||
| Apr | 482 | 716 | 1198 | Apr | 497 | 348 | 310 | 1155 | ||||
| May | 545 | 822 | 1367 | May | 563 | 400 | 390 | 1353 | ||||
| Jun | 563 | 828 | 1391 | Jun | 582 | 403 | 422 | 1407 | ||||
| Jul | 592 | 871 | 1463 | Jul | 612 | 424 | 433 | 1469 | ||||
| Aug | 546 | 785 | 1331 | Aug | 564 | 382 | 369 | 1315 | ||||
| Sept | 477 | 669 | 1146 | Sept | 493 | 325 | 279 | 1097 | ||||
| Oct | 398 | 544 | 942 | Oct | 411 | 264 | 190 | 865 | ||||
| Nov | 284 | 385 | 669 | Nov | 294 | 187 | 106 | 587 | ||||
| Dec | 248 | 318 | 566 | Dec | 257 | 155 | 82 | 494 | ||||
| Total | 5106 | 7273 | 12379 | Total | 5277 | 3538 | 3046 | 11861 | ||||
| Contractor | Akeena (Redesign) | Contractor | Akeena (Final Design) | |||||||||
| Panel Output (KWH) | facing 210 | facing 120 | facing 300 | facing 30 | Total | Panel Output (KWH) | facing 210 | facing 120 | facing 300 | facing 30 | Total | |
| Jan | 205 | 139 | 87 | 34 | 465 | Jan | 218 | 93 | 107 | 34 | 452 | |
| Feb | 250 | 174 | 130 | 58 | 612 | Feb | 267 | 116 | 160 | 58 | 601 | |
| Mar | 327 | 235 | 208 | 105 | 875 | Mar | 349 | 156 | 256 | 105 | 866 | |
| Apr | 388 | 293 | 282 | 161 | 1124 | Apr | 414 | 196 | 348 | 161 | 1119 | |
| May | 439 | 337 | 356 | 208 | 1340 | May | 468 | 225 | 438 | 208 | 1339 | |
| Jun | 454 | 340 | 385 | 221 | 1400 | Jun | 484 | 226 | 474 | 221 | 1405 | |
| Jul | 477 | 357 | 395 | 225 | 1454 | Jul | 509 | 238 | 487 | 225 | 1459 | |
| Aug | 440 | 322 | 337 | 184 | 1283 | Aug | 469 | 215 | 415 | 184 | 1283 | |
| Sept | 384 | 274 | 254 | 130 | 1042 | Sept | 410 | 183 | 313 | 130 | 1036 | |
| Oct | 321 | 223 | 173 | 79 | 796 | Oct | 342 | 149 | 214 | 79 | 784 | |
| Nov | 229 | 158 | 96 | 40 | 523 | Nov | 244 | 105 | 119 | 40 | 508 | |
| Dec | 200 | 131 | 74 | 26 | 431 | Dec | 213 | 87 | 92 | 26 | 418 | |
| Total | 4114 | 2983 | 2777 | 1471 | 11345 | Total | 4387 | 1988 | 3423 | 1471 | 11270 | |
| 274 | 249 | 184 | ||||||||||
| Contractor | Akeena (Redesign 3) | |||||||||||
| Panel Output (KWH) | facing 210 | facing 120 | facing 300 | facing 30 | Total | |||||||
| Jan | 218 | 185 | 53 | 34 | 490 | |||||||
| Feb | 267 | 232 | 80 | 58 | 637 | |||||||
| Mar | 349 | 313 | 128 | 105 | 895 | |||||||
| Apr | 414 | 391 | 174 | 161 | 1140 | |||||||
| May | 468 | 449 | 219 | 208 | 1344 | |||||||
| Jun | 484 | 453 | 237 | 221 | 1395 | |||||||
| Jul | 509 | 476 | 243 | 225 | 1453 | |||||||
| Aug | 469 | 429 | 208 | 184 | 1290 | |||||||
| Sept | 410 | 365 | 157 | 130 | 1062 | |||||||
| Oct | 342 | 297 | 107 | 79 | 825 | |||||||
| Nov | 244 | 210 | 59 | 40 | 553 | |||||||
| Dec | 213 | 174 | 46 | 26 | 459 | |||||||
| Total | 4387 | 3974 | 1711 | 1471 | 11543 | |||||||
| Contractor | Akeena (Redesign 4) | |||||||||||
| Panel Output (KWH) | facing 210 | facing 120 | facing 300 | facing 30 | Total | |||||||
| Jan | 218 | 185 | 107 | 510 | ||||||||
| Feb | 267 | 232 | 160 | 659 | ||||||||
| Mar | 349 | 313 | 256 | 918 | ||||||||
| Apr | 414 | 391 | 348 | 1153 | ||||||||
| May | 468 | 449 | 438 | 1355 | ||||||||
| Jun | 484 | 453 | 474 | 1411 | ||||||||
| Jul | 509 | 476 | 487 | 1472 | ||||||||
| Aug | 469 | 429 | 415 | 1313 | ||||||||
| Sept | 410 | 365 | 313 | 1088 | ||||||||
| Oct | 342 | 297 | 214 | 853 | ||||||||
| Nov | 244 | 210 | 119 | 573 | ||||||||
| Dec | 213 | 174 | 92 | 479 | ||||||||
| Total | 4387 | 3975 | 3423 | 0 | 11784 | |||||||