| 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: 20.84
At $0.15 per kWh = $3.13 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 | 7,531 | 0.158 | 1,186.06 | 1,186.06 |
| 2 | 0.98 | 7,454 | 0.165 | 1,229.99 | 2,416.05 |
| 3 | 0.97 | 7,378 | 0.173 | 1,272.77 | 3,688.82 |
| 4 | 0.96 | 7,302 | 0.180 | 1,314.42 | 5,003.24 |
| 5 | 0.95 | 7,226 | 0.188 | 1,354.93 | 6,358.17 |
| 6 | 0.94 | 7,150 | 0.195 | 1,394.29 | 7,752.46 |
| 7 | 0.93 | 7,074 | 0.203 | 1,432.51 | 9,184.97 |
| 8 | 0.92 | 6,998 | 0.210 | 1,469.60 | 10,654.56 |
| 9 | 0.91 | 6,922 | 0.218 | 1,505.54 | 12,160.10 |
| 10 | 0.9 | 6,846 | 0.225 | 1,540.34 | 13,700.44 |
| 11 | 0.89 | 6,770 | 0.233 | 1,574.00 | 15,274.43 |
| 12 | 0.88 | 6,694 | 0.240 | 1,606.51 | 16,880.95 |
| 13 | 0.87 | 6,618 | 0.248 | 1,637.89 | 18,518.84 |
| 14 | 0.86 | 6,542 | 0.255 | 1,668.13 | 20,186.97 |
| 15 | 0.85 | 6,466 | 0.263 | 1,697.22 | 21,884.19 |
| 16 | 0.84 | 6,390 | 0.270 | 1,725.18 | 23,609.37 |
| 17 | 0.83 | 6,313 | 0.278 | 1,751.99 | 25,361.36 |
| 18 | 0.82 | 6,237 | 0.285 | 1,777.66 | 27,139.02 |
| 19 | 0.81 | 6,161 | 0.293 | 1,802.19 | 28,941.21 |
| 20 | 0.8 | 6,085 | 0.300 | 1,825.58 | 30,766.80 |