| 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: 21.5
At $0.15 per kWh = $3.23 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 | 7,769 | 0.158 | 1,223.62 | 1,223.62 |
| 2 | 0.98 | 7,691 | 0.165 | 1,268.94 | 2,492.56 |
| 3 | 0.97 | 7,612 | 0.173 | 1,313.08 | 3,805.65 |
| 4 | 0.96 | 7,534 | 0.180 | 1,356.05 | 5,161.69 |
| 5 | 0.95 | 7,455 | 0.188 | 1,397.84 | 6,559.53 |
| 6 | 0.94 | 7,377 | 0.195 | 1,438.45 | 7,997.98 |
| 7 | 0.93 | 7,298 | 0.203 | 1,477.88 | 9,475.86 |
| 8 | 0.92 | 7,220 | 0.210 | 1,516.14 | 10,991.99 |
| 9 | 0.91 | 7,141 | 0.218 | 1,553.22 | 12,545.21 |
| 10 | 0.9 | 7,063 | 0.225 | 1,589.12 | 14,134.33 |
| 11 | 0.89 | 6,984 | 0.233 | 1,623.84 | 15,758.17 |
| 12 | 0.88 | 6,906 | 0.240 | 1,657.39 | 17,415.56 |
| 13 | 0.87 | 6,827 | 0.248 | 1,689.76 | 19,105.33 |
| 14 | 0.86 | 6,749 | 0.255 | 1,720.96 | 20,826.28 |
| 15 | 0.85 | 6,670 | 0.263 | 1,750.97 | 22,577.26 |
| 16 | 0.84 | 6,592 | 0.270 | 1,779.81 | 24,357.07 |
| 17 | 0.83 | 6,513 | 0.278 | 1,807.48 | 26,164.55 |
| 18 | 0.82 | 6,435 | 0.285 | 1,833.96 | 27,998.51 |
| 19 | 0.81 | 6,356 | 0.293 | 1,859.27 | 29,857.78 |
| 20 | 0.8 | 6,278 | 0.300 | 1,883.40 | 31,741.18 |