| 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: 19.6
At $0.15 per kWh = $2.94 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 | 7,082 | 0.158 | 1,115.49 | 1,115.49 |
| 2 | 0.98 | 7,011 | 0.165 | 1,156.80 | 2,272.29 |
| 3 | 0.97 | 6,939 | 0.173 | 1,197.04 | 3,469.33 |
| 4 | 0.96 | 6,868 | 0.180 | 1,236.21 | 4,705.54 |
| 5 | 0.95 | 6,796 | 0.188 | 1,274.31 | 5,979.85 |
| 6 | 0.94 | 6,725 | 0.195 | 1,311.33 | 7,291.18 |
| 7 | 0.93 | 6,653 | 0.203 | 1,347.28 | 8,638.46 |
| 8 | 0.92 | 6,582 | 0.210 | 1,382.15 | 10,020.61 |
| 9 | 0.91 | 6,510 | 0.218 | 1,415.96 | 11,436.56 |
| 10 | 0.9 | 6,439 | 0.225 | 1,448.69 | 12,885.25 |
| 11 | 0.89 | 6,367 | 0.233 | 1,480.34 | 14,365.59 |
| 12 | 0.88 | 6,296 | 0.240 | 1,510.92 | 15,876.51 |
| 13 | 0.87 | 6,224 | 0.248 | 1,540.44 | 17,416.95 |
| 14 | 0.86 | 6,152 | 0.255 | 1,568.87 | 18,985.82 |
| 15 | 0.85 | 6,081 | 0.263 | 1,596.24 | 20,582.06 |
| 16 | 0.84 | 6,009 | 0.270 | 1,622.53 | 22,204.59 |
| 17 | 0.83 | 5,938 | 0.278 | 1,647.75 | 23,852.33 |
| 18 | 0.82 | 5,866 | 0.285 | 1,671.89 | 25,524.22 |
| 19 | 0.81 | 5,795 | 0.293 | 1,694.96 | 27,219.18 |
| 20 | 0.8 | 5,723 | 0.300 | 1,716.96 | 28,936.14 |