| 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: 13.28
At $0.15 per kWh = $1.99 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 | 4,799 | 0.158 | 755.80 | 755.80 |
| 2 | 0.98 | 4,750 | 0.165 | 783.79 | 1,539.59 |
| 3 | 0.97 | 4,702 | 0.173 | 811.06 | 2,350.65 |
| 4 | 0.96 | 4,653 | 0.180 | 837.60 | 3,188.25 |
| 5 | 0.95 | 4,605 | 0.188 | 863.41 | 4,051.65 |
| 6 | 0.94 | 4,556 | 0.195 | 888.49 | 4,940.15 |
| 7 | 0.93 | 4,508 | 0.203 | 912.85 | 5,852.99 |
| 8 | 0.92 | 4,459 | 0.210 | 936.48 | 6,789.47 |
| 9 | 0.91 | 4,411 | 0.218 | 959.38 | 7,748.86 |
| 10 | 0.9 | 4,362 | 0.225 | 981.56 | 8,730.41 |
| 11 | 0.89 | 4,314 | 0.233 | 1,003.01 | 9,733.42 |
| 12 | 0.88 | 4,266 | 0.240 | 1,023.73 | 10,757.15 |
| 13 | 0.87 | 4,217 | 0.248 | 1,043.72 | 11,800.87 |
| 14 | 0.86 | 4,169 | 0.255 | 1,062.99 | 12,863.86 |
| 15 | 0.85 | 4,120 | 0.263 | 1,081.53 | 13,945.39 |
| 16 | 0.84 | 4,072 | 0.270 | 1,099.34 | 15,044.74 |
| 17 | 0.83 | 4,023 | 0.278 | 1,116.43 | 16,161.17 |
| 18 | 0.82 | 3,975 | 0.285 | 1,132.79 | 17,293.96 |
| 19 | 0.81 | 3,926 | 0.293 | 1,148.42 | 18,442.38 |
| 20 | 0.8 | 3,878 | 0.300 | 1,163.33 | 19,605.71 |