| 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: 13.15
At $0.15 per kWh = $1.97 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 | 4,752 | 0.158 | 748.40 | 748.40 |
| 2 | 0.98 | 4,704 | 0.165 | 776.12 | 1,524.52 |
| 3 | 0.97 | 4,656 | 0.173 | 803.12 | 2,327.64 |
| 4 | 0.96 | 4,608 | 0.180 | 829.40 | 3,157.04 |
| 5 | 0.95 | 4,560 | 0.188 | 854.96 | 4,011.99 |
| 6 | 0.94 | 4,512 | 0.195 | 879.79 | 4,891.79 |
| 7 | 0.93 | 4,464 | 0.203 | 903.91 | 5,795.70 |
| 8 | 0.92 | 4,416 | 0.210 | 927.31 | 6,723.01 |
| 9 | 0.91 | 4,368 | 0.218 | 949.99 | 7,673.00 |
| 10 | 0.9 | 4,320 | 0.225 | 971.95 | 8,644.95 |
| 11 | 0.89 | 4,272 | 0.233 | 993.19 | 9,638.14 |
| 12 | 0.88 | 4,224 | 0.240 | 1,013.71 | 10,651.85 |
| 13 | 0.87 | 4,176 | 0.248 | 1,033.51 | 11,685.35 |
| 14 | 0.86 | 4,128 | 0.255 | 1,052.59 | 12,737.94 |
| 15 | 0.85 | 4,080 | 0.263 | 1,070.94 | 13,808.88 |
| 16 | 0.84 | 4,032 | 0.270 | 1,088.58 | 14,897.46 |
| 17 | 0.83 | 3,984 | 0.278 | 1,105.50 | 16,002.97 |
| 18 | 0.82 | 3,936 | 0.285 | 1,121.70 | 17,124.67 |
| 19 | 0.81 | 3,888 | 0.293 | 1,137.18 | 18,261.85 |
| 20 | 0.8 | 3,840 | 0.300 | 1,151.94 | 19,413.79 |