| 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: 24.07
At $0.15 per kWh = $3.61 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 | 8,698 | 0.158 | 1,369.89 | 1,369.89 |
| 2 | 0.98 | 8,610 | 0.165 | 1,420.62 | 2,790.51 |
| 3 | 0.97 | 8,522 | 0.173 | 1,470.04 | 4,260.55 |
| 4 | 0.96 | 8,434 | 0.180 | 1,518.14 | 5,778.70 |
| 5 | 0.95 | 8,346 | 0.188 | 1,564.93 | 7,343.62 |
| 6 | 0.94 | 8,258 | 0.195 | 1,610.39 | 8,954.01 |
| 7 | 0.93 | 8,171 | 0.203 | 1,654.54 | 10,608.55 |
| 8 | 0.92 | 8,083 | 0.210 | 1,697.37 | 12,305.92 |
| 9 | 0.91 | 7,995 | 0.218 | 1,738.88 | 14,044.80 |
| 10 | 0.9 | 7,907 | 0.225 | 1,779.07 | 15,823.87 |
| 11 | 0.89 | 7,819 | 0.233 | 1,817.95 | 17,641.82 |
| 12 | 0.88 | 7,731 | 0.240 | 1,855.51 | 19,497.33 |
| 13 | 0.87 | 7,643 | 0.248 | 1,891.75 | 21,389.08 |
| 14 | 0.86 | 7,556 | 0.255 | 1,926.67 | 23,315.75 |
| 15 | 0.85 | 7,468 | 0.263 | 1,960.28 | 25,276.03 |
| 16 | 0.84 | 7,380 | 0.270 | 1,992.56 | 27,268.59 |
| 17 | 0.83 | 7,292 | 0.278 | 2,023.53 | 29,292.12 |
| 18 | 0.82 | 7,204 | 0.285 | 2,053.18 | 31,345.30 |
| 19 | 0.81 | 7,116 | 0.293 | 2,081.52 | 33,426.82 |
| 20 | 0.8 | 7,028 | 0.300 | 2,108.53 | 35,535.35 |