| 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: 13.61
At $0.15 per kWh = $2.04 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 | 4,918 | 0.158 | 774.58 | 774.58 |
| 2 | 0.98 | 4,868 | 0.165 | 803.27 | 1,577.85 |
| 3 | 0.97 | 4,819 | 0.173 | 831.21 | 2,409.06 |
| 4 | 0.96 | 4,769 | 0.180 | 858.41 | 3,267.47 |
| 5 | 0.95 | 4,719 | 0.188 | 884.86 | 4,152.33 |
| 6 | 0.94 | 4,670 | 0.195 | 910.57 | 5,062.90 |
| 7 | 0.93 | 4,620 | 0.203 | 935.53 | 5,998.44 |
| 8 | 0.92 | 4,570 | 0.210 | 959.75 | 6,958.19 |
| 9 | 0.91 | 4,521 | 0.218 | 983.22 | 7,941.41 |
| 10 | 0.9 | 4,471 | 0.225 | 1,005.95 | 8,947.36 |
| 11 | 0.89 | 4,421 | 0.233 | 1,027.93 | 9,975.29 |
| 12 | 0.88 | 4,372 | 0.240 | 1,049.17 | 11,024.46 |
| 13 | 0.87 | 4,322 | 0.248 | 1,069.66 | 12,094.12 |
| 14 | 0.86 | 4,272 | 0.255 | 1,089.41 | 13,183.52 |
| 15 | 0.85 | 4,223 | 0.263 | 1,108.41 | 14,291.93 |
| 16 | 0.84 | 4,173 | 0.270 | 1,126.66 | 15,418.59 |
| 17 | 0.83 | 4,123 | 0.278 | 1,144.17 | 16,562.77 |
| 18 | 0.82 | 4,073 | 0.285 | 1,160.94 | 17,723.71 |
| 19 | 0.81 | 4,024 | 0.293 | 1,176.96 | 18,900.67 |
| 20 | 0.8 | 3,974 | 0.300 | 1,192.24 | 20,092.90 |