| 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: 14.14
At $0.15 per kWh = $2.12 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 | 5,109 | 0.158 | 804.74 | 804.74 |
| 2 | 0.98 | 5,058 | 0.165 | 834.55 | 1,639.29 |
| 3 | 0.97 | 5,006 | 0.173 | 863.58 | 2,502.88 |
| 4 | 0.96 | 4,955 | 0.180 | 891.84 | 3,394.71 |
| 5 | 0.95 | 4,903 | 0.188 | 919.32 | 4,314.03 |
| 6 | 0.94 | 4,851 | 0.195 | 946.03 | 5,260.06 |
| 7 | 0.93 | 4,800 | 0.203 | 971.96 | 6,232.03 |
| 8 | 0.92 | 4,748 | 0.210 | 997.12 | 7,229.15 |
| 9 | 0.91 | 4,697 | 0.218 | 1,021.51 | 8,250.66 |
| 10 | 0.9 | 4,645 | 0.225 | 1,045.12 | 9,295.79 |
| 11 | 0.89 | 4,593 | 0.233 | 1,067.96 | 10,363.75 |
| 12 | 0.88 | 4,542 | 0.240 | 1,090.02 | 11,453.77 |
| 13 | 0.87 | 4,490 | 0.248 | 1,111.31 | 12,565.09 |
| 14 | 0.86 | 4,439 | 0.255 | 1,131.83 | 13,696.91 |
| 15 | 0.85 | 4,387 | 0.263 | 1,151.57 | 14,848.48 |
| 16 | 0.84 | 4,335 | 0.270 | 1,170.54 | 16,019.02 |
| 17 | 0.83 | 4,284 | 0.278 | 1,188.73 | 17,207.75 |
| 18 | 0.82 | 4,232 | 0.285 | 1,206.15 | 18,413.90 |
| 19 | 0.81 | 4,180 | 0.293 | 1,222.79 | 19,636.70 |
| 20 | 0.8 | 4,129 | 0.300 | 1,238.66 | 20,875.36 |