| 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: 21.8
At $0.15 per kWh = $3.27 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 | 7,877 | 0.158 | 1,240.70 | 1,240.70 |
| 2 | 0.98 | 7,798 | 0.165 | 1,286.65 | 2,527.34 |
| 3 | 0.97 | 7,718 | 0.173 | 1,331.41 | 3,858.75 |
| 4 | 0.96 | 7,639 | 0.180 | 1,374.97 | 5,233.72 |
| 5 | 0.95 | 7,559 | 0.188 | 1,417.34 | 6,651.06 |
| 6 | 0.94 | 7,480 | 0.195 | 1,458.52 | 8,109.58 |
| 7 | 0.93 | 7,400 | 0.203 | 1,498.50 | 9,608.08 |
| 8 | 0.92 | 7,320 | 0.210 | 1,537.29 | 11,145.37 |
| 9 | 0.91 | 7,241 | 0.218 | 1,574.89 | 12,720.26 |
| 10 | 0.9 | 7,161 | 0.225 | 1,611.29 | 14,331.55 |
| 11 | 0.89 | 7,082 | 0.233 | 1,646.50 | 15,978.05 |
| 12 | 0.88 | 7,002 | 0.240 | 1,680.52 | 17,658.57 |
| 13 | 0.87 | 6,923 | 0.248 | 1,713.34 | 19,371.91 |
| 14 | 0.86 | 6,843 | 0.255 | 1,744.97 | 21,116.88 |
| 15 | 0.85 | 6,763 | 0.263 | 1,775.41 | 22,892.29 |
| 16 | 0.84 | 6,684 | 0.270 | 1,804.65 | 24,696.94 |
| 17 | 0.83 | 6,604 | 0.278 | 1,832.70 | 26,529.63 |
| 18 | 0.82 | 6,525 | 0.285 | 1,859.55 | 28,389.18 |
| 19 | 0.81 | 6,445 | 0.293 | 1,885.21 | 30,274.40 |
| 20 | 0.8 | 6,366 | 0.300 | 1,909.68 | 32,184.08 |