| 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: 13.54
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 | 4,893 | 0.158 | 770.60 | 770.60 |
| 2 | 0.98 | 4,843 | 0.165 | 799.14 | 1,569.73 |
| 3 | 0.97 | 4,794 | 0.173 | 826.94 | 2,396.67 |
| 4 | 0.96 | 4,744 | 0.180 | 853.99 | 3,250.67 |
| 5 | 0.95 | 4,695 | 0.188 | 880.31 | 4,130.98 |
| 6 | 0.94 | 4,646 | 0.195 | 905.89 | 5,036.86 |
| 7 | 0.93 | 4,596 | 0.203 | 930.72 | 5,967.59 |
| 8 | 0.92 | 4,547 | 0.210 | 954.81 | 6,922.40 |
| 9 | 0.91 | 4,497 | 0.218 | 978.17 | 7,900.56 |
| 10 | 0.9 | 4,448 | 0.225 | 1,000.78 | 8,901.34 |
| 11 | 0.89 | 4,398 | 0.233 | 1,022.64 | 9,923.98 |
| 12 | 0.88 | 4,349 | 0.240 | 1,043.77 | 10,967.76 |
| 13 | 0.87 | 4,300 | 0.248 | 1,064.16 | 12,031.91 |
| 14 | 0.86 | 4,250 | 0.255 | 1,083.80 | 13,115.72 |
| 15 | 0.85 | 4,201 | 0.263 | 1,102.71 | 14,218.42 |
| 16 | 0.84 | 4,151 | 0.270 | 1,120.87 | 15,339.29 |
| 17 | 0.83 | 4,102 | 0.278 | 1,138.29 | 16,477.58 |
| 18 | 0.82 | 4,053 | 0.285 | 1,154.97 | 17,632.55 |
| 19 | 0.81 | 4,003 | 0.293 | 1,170.91 | 18,803.45 |
| 20 | 0.8 | 3,954 | 0.300 | 1,186.10 | 19,989.56 |