| 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: 24.19
At $0.15 per kWh = $3.63 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 | 8,741 | 0.158 | 1,376.72 | 1,376.72 |
| 2 | 0.98 | 8,653 | 0.165 | 1,427.71 | 2,804.42 |
| 3 | 0.97 | 8,564 | 0.173 | 1,477.37 | 4,281.79 |
| 4 | 0.96 | 8,476 | 0.180 | 1,525.71 | 5,807.50 |
| 5 | 0.95 | 8,388 | 0.188 | 1,572.73 | 7,380.23 |
| 6 | 0.94 | 8,300 | 0.195 | 1,618.42 | 8,998.65 |
| 7 | 0.93 | 8,211 | 0.203 | 1,662.79 | 10,661.44 |
| 8 | 0.92 | 8,123 | 0.210 | 1,705.83 | 12,367.27 |
| 9 | 0.91 | 8,035 | 0.218 | 1,747.55 | 14,114.82 |
| 10 | 0.9 | 7,946 | 0.225 | 1,787.94 | 15,902.76 |
| 11 | 0.89 | 7,858 | 0.233 | 1,827.01 | 17,729.78 |
| 12 | 0.88 | 7,770 | 0.240 | 1,864.76 | 19,594.53 |
| 13 | 0.87 | 7,682 | 0.248 | 1,901.18 | 21,495.71 |
| 14 | 0.86 | 7,593 | 0.255 | 1,936.28 | 23,431.99 |
| 15 | 0.85 | 7,505 | 0.263 | 1,970.05 | 25,402.04 |
| 16 | 0.84 | 7,417 | 0.270 | 2,002.50 | 27,404.54 |
| 17 | 0.83 | 7,328 | 0.278 | 2,033.62 | 29,438.16 |
| 18 | 0.82 | 7,240 | 0.285 | 2,063.42 | 31,501.58 |
| 19 | 0.81 | 7,152 | 0.293 | 2,091.89 | 33,593.47 |
| 20 | 0.8 | 7,063 | 0.300 | 2,119.04 | 35,712.51 |