| 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: 13.22
At $0.15 per kWh = $1.98 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 | 4,777 | 0.158 | 752.38 | 752.38 |
| 2 | 0.98 | 4,729 | 0.165 | 780.25 | 1,532.64 |
| 3 | 0.97 | 4,681 | 0.173 | 807.39 | 2,340.03 |
| 4 | 0.96 | 4,632 | 0.180 | 833.81 | 3,173.84 |
| 5 | 0.95 | 4,584 | 0.188 | 859.51 | 4,033.35 |
| 6 | 0.94 | 4,536 | 0.195 | 884.48 | 4,917.83 |
| 7 | 0.93 | 4,488 | 0.203 | 908.72 | 5,826.55 |
| 8 | 0.92 | 4,439 | 0.210 | 932.25 | 6,758.80 |
| 9 | 0.91 | 4,391 | 0.218 | 955.05 | 7,713.85 |
| 10 | 0.9 | 4,343 | 0.225 | 977.12 | 8,690.97 |
| 11 | 0.89 | 4,295 | 0.233 | 998.48 | 9,689.44 |
| 12 | 0.88 | 4,246 | 0.240 | 1,019.10 | 10,708.55 |
| 13 | 0.87 | 4,198 | 0.248 | 1,039.01 | 11,747.55 |
| 14 | 0.86 | 4,150 | 0.255 | 1,058.19 | 12,805.74 |
| 15 | 0.85 | 4,102 | 0.263 | 1,076.65 | 13,882.39 |
| 16 | 0.84 | 4,053 | 0.270 | 1,094.38 | 14,976.77 |
| 17 | 0.83 | 4,005 | 0.278 | 1,111.39 | 16,088.15 |
| 18 | 0.82 | 3,957 | 0.285 | 1,127.67 | 17,215.83 |
| 19 | 0.81 | 3,908 | 0.293 | 1,143.23 | 18,359.06 |
| 20 | 0.8 | 3,860 | 0.300 | 1,158.07 | 19,517.13 |