| 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: 16.89
At $0.15 per kWh = $2.53 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 | 6,103 | 0.158 | 961.25 | 961.25 |
| 2 | 0.98 | 6,042 | 0.165 | 996.86 | 1,958.11 |
| 3 | 0.97 | 5,980 | 0.173 | 1,031.53 | 2,989.64 |
| 4 | 0.96 | 5,918 | 0.180 | 1,065.29 | 4,054.93 |
| 5 | 0.95 | 5,857 | 0.188 | 1,098.11 | 5,153.04 |
| 6 | 0.94 | 5,795 | 0.195 | 1,130.02 | 6,283.06 |
| 7 | 0.93 | 5,733 | 0.203 | 1,161.00 | 7,444.06 |
| 8 | 0.92 | 5,672 | 0.210 | 1,191.05 | 8,635.11 |
| 9 | 0.91 | 5,610 | 0.218 | 1,220.18 | 9,855.28 |
| 10 | 0.9 | 5,548 | 0.225 | 1,248.38 | 11,103.67 |
| 11 | 0.89 | 5,487 | 0.233 | 1,275.66 | 12,379.33 |
| 12 | 0.88 | 5,425 | 0.240 | 1,302.02 | 13,681.34 |
| 13 | 0.87 | 5,363 | 0.248 | 1,327.45 | 15,008.79 |
| 14 | 0.86 | 5,302 | 0.255 | 1,351.95 | 16,360.74 |
| 15 | 0.85 | 5,240 | 0.263 | 1,375.53 | 17,736.27 |
| 16 | 0.84 | 5,178 | 0.270 | 1,398.19 | 19,134.46 |
| 17 | 0.83 | 5,117 | 0.278 | 1,419.92 | 20,554.38 |
| 18 | 0.82 | 5,055 | 0.285 | 1,440.73 | 21,995.11 |
| 19 | 0.81 | 4,994 | 0.293 | 1,460.61 | 23,455.71 |
| 20 | 0.8 | 4,932 | 0.300 | 1,479.56 | 24,935.28 |