| 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: 13.09
At $0.15 per kWh = $1.96 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 | 4,730 | 0.158 | 744.99 | 744.99 |
| 2 | 0.98 | 4,682 | 0.165 | 772.58 | 1,517.56 |
| 3 | 0.97 | 4,635 | 0.173 | 799.45 | 2,317.02 |
| 4 | 0.96 | 4,587 | 0.180 | 825.61 | 3,142.63 |
| 5 | 0.95 | 4,539 | 0.188 | 851.05 | 3,993.69 |
| 6 | 0.94 | 4,491 | 0.195 | 875.78 | 4,869.47 |
| 7 | 0.93 | 4,443 | 0.203 | 899.79 | 5,769.25 |
| 8 | 0.92 | 4,396 | 0.210 | 923.08 | 6,692.33 |
| 9 | 0.91 | 4,348 | 0.218 | 945.66 | 7,637.99 |
| 10 | 0.9 | 4,300 | 0.225 | 967.51 | 8,605.51 |
| 11 | 0.89 | 4,252 | 0.233 | 988.66 | 9,594.16 |
| 12 | 0.88 | 4,205 | 0.240 | 1,009.08 | 10,603.24 |
| 13 | 0.87 | 4,157 | 0.248 | 1,028.79 | 11,632.03 |
| 14 | 0.86 | 4,109 | 0.255 | 1,047.78 | 12,679.82 |
| 15 | 0.85 | 4,061 | 0.263 | 1,066.06 | 13,745.87 |
| 16 | 0.84 | 4,013 | 0.270 | 1,083.62 | 14,829.49 |
| 17 | 0.83 | 3,966 | 0.278 | 1,100.46 | 15,929.95 |
| 18 | 0.82 | 3,918 | 0.285 | 1,116.58 | 17,046.53 |
| 19 | 0.81 | 3,870 | 0.293 | 1,131.99 | 18,178.52 |
| 20 | 0.8 | 3,822 | 0.300 | 1,146.68 | 19,325.21 |