| 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: 24.28
At $0.15 per kWh = $3.64 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 | 8,774 | 0.158 | 1,381.84 | 1,381.84 |
| 2 | 0.98 | 8,685 | 0.165 | 1,433.02 | 2,814.86 |
| 3 | 0.97 | 8,596 | 0.173 | 1,482.87 | 4,297.72 |
| 4 | 0.96 | 8,508 | 0.180 | 1,531.39 | 5,829.11 |
| 5 | 0.95 | 8,419 | 0.188 | 1,578.58 | 7,407.69 |
| 6 | 0.94 | 8,330 | 0.195 | 1,624.44 | 9,032.13 |
| 7 | 0.93 | 8,242 | 0.203 | 1,668.97 | 10,701.11 |
| 8 | 0.92 | 8,153 | 0.210 | 1,712.18 | 12,413.28 |
| 9 | 0.91 | 8,065 | 0.218 | 1,754.05 | 14,167.33 |
| 10 | 0.9 | 7,976 | 0.225 | 1,794.60 | 15,961.93 |
| 11 | 0.89 | 7,887 | 0.233 | 1,833.81 | 17,795.74 |
| 12 | 0.88 | 7,799 | 0.240 | 1,871.70 | 19,667.44 |
| 13 | 0.87 | 7,710 | 0.248 | 1,908.25 | 21,575.69 |
| 14 | 0.86 | 7,621 | 0.255 | 1,943.48 | 23,519.17 |
| 15 | 0.85 | 7,533 | 0.263 | 1,977.38 | 25,496.55 |
| 16 | 0.84 | 7,444 | 0.270 | 2,009.95 | 27,506.50 |
| 17 | 0.83 | 7,356 | 0.278 | 2,041.19 | 29,547.68 |
| 18 | 0.82 | 7,267 | 0.285 | 2,071.10 | 31,618.78 |
| 19 | 0.81 | 7,178 | 0.293 | 2,099.68 | 33,718.46 |
| 20 | 0.8 | 7,090 | 0.300 | 2,126.93 | 35,845.38 |