| 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: 13.01
At $0.15 per kWh = $1.95 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 | 4,701 | 0.158 | 740.43 | 740.43 |
| 2 | 0.98 | 4,654 | 0.165 | 767.86 | 1,508.29 |
| 3 | 0.97 | 4,606 | 0.173 | 794.57 | 2,302.86 |
| 4 | 0.96 | 4,559 | 0.180 | 820.57 | 3,123.42 |
| 5 | 0.95 | 4,511 | 0.188 | 845.85 | 3,969.28 |
| 6 | 0.94 | 4,464 | 0.195 | 870.43 | 4,839.71 |
| 7 | 0.93 | 4,416 | 0.203 | 894.29 | 5,733.99 |
| 8 | 0.92 | 4,369 | 0.210 | 917.44 | 6,651.43 |
| 9 | 0.91 | 4,321 | 0.218 | 939.88 | 7,591.31 |
| 10 | 0.9 | 4,274 | 0.225 | 961.60 | 8,552.91 |
| 11 | 0.89 | 4,226 | 0.233 | 982.61 | 9,535.53 |
| 12 | 0.88 | 4,179 | 0.240 | 1,002.91 | 10,538.44 |
| 13 | 0.87 | 4,131 | 0.248 | 1,022.50 | 11,560.94 |
| 14 | 0.86 | 4,084 | 0.255 | 1,041.38 | 12,602.32 |
| 15 | 0.85 | 4,036 | 0.263 | 1,059.54 | 13,661.87 |
| 16 | 0.84 | 3,989 | 0.270 | 1,076.99 | 14,738.86 |
| 17 | 0.83 | 3,941 | 0.278 | 1,093.73 | 15,832.59 |
| 18 | 0.82 | 3,894 | 0.285 | 1,109.76 | 16,942.35 |
| 19 | 0.81 | 3,846 | 0.293 | 1,125.07 | 18,067.43 |
| 20 | 0.8 | 3,799 | 0.300 | 1,139.68 | 19,207.10 |