| 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: 19.98
At $0.15 per kWh = $3 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 | 7,220 | 0.158 | 1,137.11 | 1,137.11 |
| 2 | 0.98 | 7,147 | 0.165 | 1,179.23 | 2,316.34 |
| 3 | 0.97 | 7,074 | 0.173 | 1,220.25 | 3,536.59 |
| 4 | 0.96 | 7,001 | 0.180 | 1,260.18 | 4,796.77 |
| 5 | 0.95 | 6,928 | 0.188 | 1,299.01 | 6,095.79 |
| 6 | 0.94 | 6,855 | 0.195 | 1,336.75 | 7,432.54 |
| 7 | 0.93 | 6,782 | 0.203 | 1,373.40 | 8,805.94 |
| 8 | 0.92 | 6,709 | 0.210 | 1,408.95 | 10,214.88 |
| 9 | 0.91 | 6,636 | 0.218 | 1,443.41 | 11,658.29 |
| 10 | 0.9 | 6,563 | 0.225 | 1,476.77 | 13,135.06 |
| 11 | 0.89 | 6,491 | 0.233 | 1,509.04 | 14,644.11 |
| 12 | 0.88 | 6,418 | 0.240 | 1,540.22 | 16,184.32 |
| 13 | 0.87 | 6,345 | 0.248 | 1,570.30 | 17,754.63 |
| 14 | 0.86 | 6,272 | 0.255 | 1,599.29 | 19,353.91 |
| 15 | 0.85 | 6,199 | 0.263 | 1,627.18 | 20,981.10 |
| 16 | 0.84 | 6,126 | 0.270 | 1,653.98 | 22,635.08 |
| 17 | 0.83 | 6,053 | 0.278 | 1,679.69 | 24,314.77 |
| 18 | 0.82 | 5,980 | 0.285 | 1,704.30 | 26,019.08 |
| 19 | 0.81 | 5,907 | 0.293 | 1,727.82 | 27,746.90 |
| 20 | 0.8 | 5,834 | 0.300 | 1,750.25 | 29,497.15 |