| 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
At $0.15 per kWh = $1.95 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 | 4,698 | 0.158 | 739.86 | 739.86 |
| 2 | 0.98 | 4,650 | 0.165 | 767.27 | 1,507.13 |
| 3 | 0.97 | 4,603 | 0.173 | 793.96 | 2,301.09 |
| 4 | 0.96 | 4,555 | 0.180 | 819.94 | 3,121.02 |
| 5 | 0.95 | 4,508 | 0.188 | 845.20 | 3,966.23 |
| 6 | 0.94 | 4,460 | 0.195 | 869.76 | 4,835.99 |
| 7 | 0.93 | 4,413 | 0.203 | 893.60 | 5,729.59 |
| 8 | 0.92 | 4,365 | 0.210 | 916.73 | 6,646.32 |
| 9 | 0.91 | 4,318 | 0.218 | 939.15 | 7,585.48 |
| 10 | 0.9 | 4,271 | 0.225 | 960.86 | 8,546.34 |
| 11 | 0.89 | 4,223 | 0.233 | 981.86 | 9,528.20 |
| 12 | 0.88 | 4,176 | 0.240 | 1,002.14 | 10,530.34 |
| 13 | 0.87 | 4,128 | 0.248 | 1,021.72 | 11,552.06 |
| 14 | 0.86 | 4,081 | 0.255 | 1,040.58 | 12,592.64 |
| 15 | 0.85 | 4,033 | 0.263 | 1,058.73 | 13,651.37 |
| 16 | 0.84 | 3,986 | 0.270 | 1,076.17 | 14,727.53 |
| 17 | 0.83 | 3,938 | 0.278 | 1,092.89 | 15,820.42 |
| 18 | 0.82 | 3,891 | 0.285 | 1,108.91 | 16,929.33 |
| 19 | 0.81 | 3,843 | 0.293 | 1,124.21 | 18,053.54 |
| 20 | 0.8 | 3,796 | 0.300 | 1,138.80 | 19,192.34 |