| 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: 22.09
At $0.15 per kWh = $3.31 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 | 7,982 | 0.158 | 1,257.20 | 1,257.20 |
| 2 | 0.98 | 7,902 | 0.165 | 1,303.76 | 2,560.96 |
| 3 | 0.97 | 7,821 | 0.173 | 1,349.12 | 3,910.08 |
| 4 | 0.96 | 7,740 | 0.180 | 1,393.26 | 5,303.34 |
| 5 | 0.95 | 7,660 | 0.188 | 1,436.20 | 6,739.53 |
| 6 | 0.94 | 7,579 | 0.195 | 1,477.92 | 8,217.46 |
| 7 | 0.93 | 7,498 | 0.203 | 1,518.44 | 9,735.89 |
| 8 | 0.92 | 7,418 | 0.210 | 1,557.74 | 11,293.63 |
| 9 | 0.91 | 7,337 | 0.218 | 1,595.84 | 12,889.47 |
| 10 | 0.9 | 7,257 | 0.225 | 1,632.73 | 14,522.20 |
| 11 | 0.89 | 7,176 | 0.233 | 1,668.41 | 16,190.61 |
| 12 | 0.88 | 7,095 | 0.240 | 1,702.87 | 17,893.48 |
| 13 | 0.87 | 7,015 | 0.248 | 1,736.13 | 19,629.61 |
| 14 | 0.86 | 6,934 | 0.255 | 1,768.18 | 21,397.80 |
| 15 | 0.85 | 6,853 | 0.263 | 1,799.02 | 23,196.82 |
| 16 | 0.84 | 6,773 | 0.270 | 1,828.65 | 25,025.47 |
| 17 | 0.83 | 6,692 | 0.278 | 1,857.08 | 26,882.55 |
| 18 | 0.82 | 6,612 | 0.285 | 1,884.29 | 28,766.84 |
| 19 | 0.81 | 6,531 | 0.293 | 1,910.29 | 30,677.13 |
| 20 | 0.8 | 6,450 | 0.300 | 1,935.08 | 32,612.21 |