| 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: 22.28
At $0.15 per kWh = $3.34 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 | 8,051 | 0.158 | 1,268.01 | 1,268.01 |
| 2 | 0.98 | 7,970 | 0.165 | 1,314.98 | 2,582.99 |
| 3 | 0.97 | 7,888 | 0.173 | 1,360.72 | 3,943.71 |
| 4 | 0.96 | 7,807 | 0.180 | 1,405.24 | 5,348.95 |
| 5 | 0.95 | 7,726 | 0.188 | 1,448.55 | 6,797.50 |
| 6 | 0.94 | 7,644 | 0.195 | 1,490.63 | 8,288.13 |
| 7 | 0.93 | 7,563 | 0.203 | 1,531.50 | 9,819.63 |
| 8 | 0.92 | 7,482 | 0.210 | 1,571.14 | 11,390.77 |
| 9 | 0.91 | 7,400 | 0.218 | 1,609.57 | 13,000.34 |
| 10 | 0.9 | 7,319 | 0.225 | 1,646.77 | 14,647.11 |
| 11 | 0.89 | 7,238 | 0.233 | 1,682.76 | 16,329.86 |
| 12 | 0.88 | 7,156 | 0.240 | 1,717.52 | 18,047.38 |
| 13 | 0.87 | 7,075 | 0.248 | 1,751.07 | 19,798.45 |
| 14 | 0.86 | 6,994 | 0.255 | 1,783.39 | 21,581.84 |
| 15 | 0.85 | 6,912 | 0.263 | 1,814.50 | 23,396.34 |
| 16 | 0.84 | 6,831 | 0.270 | 1,844.38 | 25,240.72 |
| 17 | 0.83 | 6,750 | 0.278 | 1,873.05 | 27,113.77 |
| 18 | 0.82 | 6,668 | 0.285 | 1,900.50 | 29,014.27 |
| 19 | 0.81 | 6,587 | 0.293 | 1,926.72 | 30,940.99 |
| 20 | 0.8 | 6,506 | 0.300 | 1,951.73 | 32,892.72 |