| 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: 15.37
At $0.15 per kWh = $2.31 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 | 5,554 | 0.158 | 874.75 | 874.75 |
| 2 | 0.98 | 5,498 | 0.165 | 907.15 | 1,781.89 |
| 3 | 0.97 | 5,442 | 0.173 | 938.70 | 2,720.59 |
| 4 | 0.96 | 5,386 | 0.180 | 969.42 | 3,690.01 |
| 5 | 0.95 | 5,330 | 0.188 | 999.29 | 4,689.30 |
| 6 | 0.94 | 5,273 | 0.195 | 1,028.32 | 5,717.62 |
| 7 | 0.93 | 5,217 | 0.203 | 1,056.51 | 6,774.14 |
| 8 | 0.92 | 5,161 | 0.210 | 1,083.86 | 7,858.00 |
| 9 | 0.91 | 5,105 | 0.218 | 1,110.37 | 8,968.37 |
| 10 | 0.9 | 5,049 | 0.225 | 1,136.04 | 10,104.40 |
| 11 | 0.89 | 4,993 | 0.233 | 1,160.86 | 11,265.26 |
| 12 | 0.88 | 4,937 | 0.240 | 1,184.84 | 12,450.10 |
| 13 | 0.87 | 4,881 | 0.248 | 1,207.98 | 13,658.09 |
| 14 | 0.86 | 4,825 | 0.255 | 1,230.28 | 14,888.37 |
| 15 | 0.85 | 4,769 | 0.263 | 1,251.74 | 16,140.11 |
| 16 | 0.84 | 4,712 | 0.270 | 1,272.36 | 17,412.47 |
| 17 | 0.83 | 4,656 | 0.278 | 1,292.13 | 18,704.61 |
| 18 | 0.82 | 4,600 | 0.285 | 1,311.07 | 20,015.68 |
| 19 | 0.81 | 4,544 | 0.293 | 1,329.16 | 21,344.84 |
| 20 | 0.8 | 4,488 | 0.300 | 1,346.41 | 22,691.25 |