| 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: 14.11
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 | 5,099 | 0.158 | 803.04 | 803.04 |
| 2 | 0.98 | 5,047 | 0.165 | 832.78 | 1,635.82 |
| 3 | 0.97 | 4,996 | 0.173 | 861.75 | 2,497.57 |
| 4 | 0.96 | 4,944 | 0.180 | 889.95 | 3,387.51 |
| 5 | 0.95 | 4,893 | 0.188 | 917.37 | 4,304.88 |
| 6 | 0.94 | 4,841 | 0.195 | 944.02 | 5,248.90 |
| 7 | 0.93 | 4,790 | 0.203 | 969.90 | 6,218.81 |
| 8 | 0.92 | 4,738 | 0.210 | 995.01 | 7,213.82 |
| 9 | 0.91 | 4,687 | 0.218 | 1,019.34 | 8,233.16 |
| 10 | 0.9 | 4,635 | 0.225 | 1,042.91 | 9,276.06 |
| 11 | 0.89 | 4,584 | 0.233 | 1,065.69 | 10,341.76 |
| 12 | 0.88 | 4,532 | 0.240 | 1,087.71 | 11,429.47 |
| 13 | 0.87 | 4,481 | 0.248 | 1,108.96 | 12,538.43 |
| 14 | 0.86 | 4,429 | 0.255 | 1,129.43 | 13,667.85 |
| 15 | 0.85 | 4,378 | 0.263 | 1,149.13 | 14,816.98 |
| 16 | 0.84 | 4,326 | 0.270 | 1,168.05 | 15,985.04 |
| 17 | 0.83 | 4,275 | 0.278 | 1,186.21 | 17,171.24 |
| 18 | 0.82 | 4,223 | 0.285 | 1,203.59 | 18,374.83 |
| 19 | 0.81 | 4,172 | 0.293 | 1,220.20 | 19,595.03 |
| 20 | 0.8 | 4,120 | 0.300 | 1,236.04 | 20,831.07 |