| 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: 13.55
At $0.15 per kWh = $2.03 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 | 4,896 | 0.158 | 771.17 | 771.17 |
| 2 | 0.98 | 4,847 | 0.165 | 799.73 | 1,570.89 |
| 3 | 0.97 | 4,797 | 0.173 | 827.55 | 2,398.44 |
| 4 | 0.96 | 4,748 | 0.180 | 854.63 | 3,253.07 |
| 5 | 0.95 | 4,698 | 0.188 | 880.96 | 4,134.03 |
| 6 | 0.94 | 4,649 | 0.195 | 906.56 | 5,040.58 |
| 7 | 0.93 | 4,600 | 0.203 | 931.41 | 5,971.99 |
| 8 | 0.92 | 4,550 | 0.210 | 955.52 | 6,927.51 |
| 9 | 0.91 | 4,501 | 0.218 | 978.89 | 7,906.40 |
| 10 | 0.9 | 4,451 | 0.225 | 1,001.51 | 8,907.91 |
| 11 | 0.89 | 4,402 | 0.233 | 1,023.40 | 9,931.31 |
| 12 | 0.88 | 4,352 | 0.240 | 1,044.54 | 10,975.86 |
| 13 | 0.87 | 4,303 | 0.248 | 1,064.94 | 12,040.80 |
| 14 | 0.86 | 4,253 | 0.255 | 1,084.60 | 13,125.40 |
| 15 | 0.85 | 4,204 | 0.263 | 1,103.52 | 14,228.92 |
| 16 | 0.84 | 4,154 | 0.270 | 1,121.70 | 15,350.62 |
| 17 | 0.83 | 4,105 | 0.278 | 1,139.13 | 16,489.75 |
| 18 | 0.82 | 4,056 | 0.285 | 1,155.82 | 17,645.57 |
| 19 | 0.81 | 4,006 | 0.293 | 1,171.77 | 18,817.34 |
| 20 | 0.8 | 3,957 | 0.300 | 1,186.98 | 20,004.32 |