| 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: 13.51
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 | 4,882 | 0.158 | 768.89 | 768.89 |
| 2 | 0.98 | 4,833 | 0.165 | 797.37 | 1,566.26 |
| 3 | 0.97 | 4,783 | 0.173 | 825.10 | 2,391.36 |
| 4 | 0.96 | 4,734 | 0.180 | 852.10 | 3,243.46 |
| 5 | 0.95 | 4,685 | 0.188 | 878.36 | 4,121.83 |
| 6 | 0.94 | 4,635 | 0.195 | 903.88 | 5,025.70 |
| 7 | 0.93 | 4,586 | 0.203 | 928.66 | 5,954.36 |
| 8 | 0.92 | 4,537 | 0.210 | 952.70 | 6,907.06 |
| 9 | 0.91 | 4,487 | 0.218 | 976.00 | 7,883.06 |
| 10 | 0.9 | 4,438 | 0.225 | 998.56 | 8,881.62 |
| 11 | 0.89 | 4,389 | 0.233 | 1,020.38 | 9,902.00 |
| 12 | 0.88 | 4,339 | 0.240 | 1,041.46 | 10,943.45 |
| 13 | 0.87 | 4,290 | 0.248 | 1,061.80 | 12,005.25 |
| 14 | 0.86 | 4,241 | 0.255 | 1,081.40 | 13,086.66 |
| 15 | 0.85 | 4,191 | 0.263 | 1,100.26 | 14,186.92 |
| 16 | 0.84 | 4,142 | 0.270 | 1,118.38 | 15,305.30 |
| 17 | 0.83 | 4,093 | 0.278 | 1,135.77 | 16,441.07 |
| 18 | 0.82 | 4,044 | 0.285 | 1,152.41 | 17,593.48 |
| 19 | 0.81 | 3,994 | 0.293 | 1,168.31 | 18,761.79 |
| 20 | 0.8 | 3,945 | 0.300 | 1,183.48 | 19,945.27 |