| 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: 23.95
At $0.15 per kWh = $3.59 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 | 8,654 | 0.158 | 1,363.06 | 1,363.06 |
| 2 | 0.98 | 8,567 | 0.165 | 1,413.54 | 2,776.60 |
| 3 | 0.97 | 8,479 | 0.173 | 1,462.71 | 4,239.31 |
| 4 | 0.96 | 8,392 | 0.180 | 1,510.57 | 5,749.89 |
| 5 | 0.95 | 8,305 | 0.188 | 1,557.12 | 7,307.01 |
| 6 | 0.94 | 8,217 | 0.195 | 1,602.36 | 8,909.37 |
| 7 | 0.93 | 8,130 | 0.203 | 1,646.29 | 10,555.66 |
| 8 | 0.92 | 8,042 | 0.210 | 1,688.91 | 12,244.57 |
| 9 | 0.91 | 7,955 | 0.218 | 1,730.21 | 13,974.78 |
| 10 | 0.9 | 7,868 | 0.225 | 1,770.20 | 15,744.98 |
| 11 | 0.89 | 7,780 | 0.233 | 1,808.89 | 17,553.87 |
| 12 | 0.88 | 7,693 | 0.240 | 1,846.26 | 19,400.13 |
| 13 | 0.87 | 7,605 | 0.248 | 1,882.32 | 21,282.45 |
| 14 | 0.86 | 7,518 | 0.255 | 1,917.07 | 23,199.51 |
| 15 | 0.85 | 7,430 | 0.263 | 1,950.50 | 25,150.01 |
| 16 | 0.84 | 7,343 | 0.270 | 1,982.63 | 27,132.64 |
| 17 | 0.83 | 7,256 | 0.278 | 2,013.44 | 29,146.09 |
| 18 | 0.82 | 7,168 | 0.285 | 2,042.95 | 31,189.03 |
| 19 | 0.81 | 7,081 | 0.293 | 2,071.14 | 33,260.17 |
| 20 | 0.8 | 6,993 | 0.300 | 2,098.02 | 35,358.19 |