| 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: 14.33
At $0.15 per kWh = $2.15 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 | 5,178 | 0.158 | 815.56 | 815.56 |
| 2 | 0.98 | 5,126 | 0.165 | 845.76 | 1,661.32 |
| 3 | 0.97 | 5,074 | 0.173 | 875.19 | 2,536.51 |
| 4 | 0.96 | 5,021 | 0.180 | 903.82 | 3,440.33 |
| 5 | 0.95 | 4,969 | 0.188 | 931.67 | 4,372.00 |
| 6 | 0.94 | 4,917 | 0.195 | 958.74 | 5,330.74 |
| 7 | 0.93 | 4,864 | 0.203 | 985.02 | 6,315.77 |
| 8 | 0.92 | 4,812 | 0.210 | 1,010.52 | 7,326.29 |
| 9 | 0.91 | 4,760 | 0.218 | 1,035.24 | 8,361.53 |
| 10 | 0.9 | 4,707 | 0.225 | 1,059.17 | 9,420.69 |
| 11 | 0.89 | 4,655 | 0.233 | 1,082.31 | 10,503.01 |
| 12 | 0.88 | 4,603 | 0.240 | 1,104.67 | 11,607.68 |
| 13 | 0.87 | 4,550 | 0.248 | 1,126.25 | 12,733.92 |
| 14 | 0.86 | 4,498 | 0.255 | 1,147.04 | 13,880.96 |
| 15 | 0.85 | 4,446 | 0.263 | 1,167.04 | 15,048.00 |
| 16 | 0.84 | 4,394 | 0.270 | 1,186.27 | 16,234.27 |
| 17 | 0.83 | 4,341 | 0.278 | 1,204.70 | 17,438.97 |
| 18 | 0.82 | 4,289 | 0.285 | 1,222.36 | 18,661.33 |
| 19 | 0.81 | 4,237 | 0.293 | 1,239.22 | 19,900.55 |
| 20 | 0.8 | 4,184 | 0.300 | 1,255.31 | 21,155.86 |