| Top 10 production days @ 7.92 kW | ||
|---|---|---|
| kWh | Day | |
| 1 | 54.58 | 2014-04-24 |
| 2 | 53.54 | 2015-05-23 |
| 3 | 52.91 | 2012-04-29 |
| 4 | 52.62 | 2013-04-21 |
| 5 | 52.61 | 2012-04-28 |
| 6 | 52.4 | 2011-03-28 |
| 7 | 52.32 | 2016-05-09 |
| 8 | 52.27 | 2017-05-20 |
| 9 | 52.24 | 2011-03-27 |
| 10 | 52.15 | 2016-04-27 |
Average kWh per day: 13.56
At $0.15 per kWh = $2.03 per day
In 2001 1 kWh cost $0.10
10 years later in 2011, 1 kWh cost $0.15
That is a growth of 50% over 10 years.
In the next 10 years will it go up another 50% ?
2021 will 1 kWh cost $0.225 ?
| Year | efficency | kWh per year | cost | Savings per year | Running Total |
|---|---|---|---|---|---|
| 1 | 0.99 | 4,900 | 0.158 | 771.74 | 771.74 |
| 2 | 0.98 | 4,850 | 0.165 | 800.32 | 1,572.05 |
| 3 | 0.97 | 4,801 | 0.173 | 828.16 | 2,400.21 |
| 4 | 0.96 | 4,751 | 0.180 | 855.26 | 3,255.47 |
| 5 | 0.95 | 4,702 | 0.188 | 881.61 | 4,137.08 |
| 6 | 0.94 | 4,652 | 0.195 | 907.23 | 5,044.30 |
| 7 | 0.93 | 4,603 | 0.203 | 932.10 | 5,976.40 |
| 8 | 0.92 | 4,553 | 0.210 | 956.22 | 6,932.62 |
| 9 | 0.91 | 4,504 | 0.218 | 979.61 | 7,912.23 |
| 10 | 0.9 | 4,454 | 0.225 | 1,002.25 | 8,914.49 |
| 11 | 0.89 | 4,405 | 0.233 | 1,024.15 | 9,938.64 |
| 12 | 0.88 | 4,355 | 0.240 | 1,045.31 | 10,983.96 |
| 13 | 0.87 | 4,306 | 0.248 | 1,065.73 | 12,049.69 |
| 14 | 0.86 | 4,256 | 0.255 | 1,085.40 | 13,135.09 |
| 15 | 0.85 | 4,207 | 0.263 | 1,104.33 | 14,239.42 |
| 16 | 0.84 | 4,157 | 0.270 | 1,122.52 | 15,361.95 |
| 17 | 0.83 | 4,108 | 0.278 | 1,139.97 | 16,501.92 |
| 18 | 0.82 | 4,059 | 0.285 | 1,156.67 | 17,658.59 |
| 19 | 0.81 | 4,009 | 0.293 | 1,172.64 | 18,831.23 |
| 20 | 0.8 | 3,960 | 0.300 | 1,187.86 | 20,019.09 |