| 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: 13.16
At $0.15 per kWh = $1.97 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 | 4,755 | 0.158 | 748.97 | 748.97 |
| 2 | 0.98 | 4,707 | 0.165 | 776.71 | 1,525.68 |
| 3 | 0.97 | 4,659 | 0.173 | 803.73 | 2,329.41 |
| 4 | 0.96 | 4,611 | 0.180 | 830.03 | 3,159.44 |
| 5 | 0.95 | 4,563 | 0.188 | 855.61 | 4,015.04 |
| 6 | 0.94 | 4,515 | 0.195 | 880.46 | 4,895.51 |
| 7 | 0.93 | 4,467 | 0.203 | 904.60 | 5,800.11 |
| 8 | 0.92 | 4,419 | 0.210 | 928.02 | 6,728.12 |
| 9 | 0.91 | 4,371 | 0.218 | 950.71 | 7,678.84 |
| 10 | 0.9 | 4,323 | 0.225 | 972.69 | 8,651.52 |
| 11 | 0.89 | 4,275 | 0.233 | 993.94 | 9,645.47 |
| 12 | 0.88 | 4,227 | 0.240 | 1,014.48 | 10,659.95 |
| 13 | 0.87 | 4,179 | 0.248 | 1,034.29 | 11,694.24 |
| 14 | 0.86 | 4,131 | 0.255 | 1,053.39 | 12,747.62 |
| 15 | 0.85 | 4,083 | 0.263 | 1,071.76 | 13,819.38 |
| 16 | 0.84 | 4,035 | 0.270 | 1,089.41 | 14,908.79 |
| 17 | 0.83 | 3,987 | 0.278 | 1,106.34 | 16,015.14 |
| 18 | 0.82 | 3,939 | 0.285 | 1,122.55 | 17,137.69 |
| 19 | 0.81 | 3,891 | 0.293 | 1,138.05 | 18,275.74 |
| 20 | 0.8 | 3,843 | 0.300 | 1,152.82 | 19,428.55 |