| 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: 14.39
At $0.15 per kWh = $2.16 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 | 5,200 | 0.158 | 818.97 | 818.97 |
| 2 | 0.98 | 5,147 | 0.165 | 849.30 | 1,668.28 |
| 3 | 0.97 | 5,095 | 0.173 | 878.85 | 2,547.13 |
| 4 | 0.96 | 5,042 | 0.180 | 907.61 | 3,454.73 |
| 5 | 0.95 | 4,990 | 0.188 | 935.57 | 4,390.31 |
| 6 | 0.94 | 4,937 | 0.195 | 962.76 | 5,353.06 |
| 7 | 0.93 | 4,885 | 0.203 | 989.15 | 6,342.21 |
| 8 | 0.92 | 4,832 | 0.210 | 1,014.75 | 7,356.97 |
| 9 | 0.91 | 4,780 | 0.218 | 1,039.57 | 8,396.54 |
| 10 | 0.9 | 4,727 | 0.225 | 1,063.60 | 9,460.14 |
| 11 | 0.89 | 4,675 | 0.233 | 1,086.84 | 10,546.98 |
| 12 | 0.88 | 4,622 | 0.240 | 1,109.30 | 11,656.28 |
| 13 | 0.87 | 4,570 | 0.248 | 1,130.96 | 12,787.24 |
| 14 | 0.86 | 4,517 | 0.255 | 1,151.84 | 13,939.08 |
| 15 | 0.85 | 4,464 | 0.263 | 1,171.93 | 15,111.01 |
| 16 | 0.84 | 4,412 | 0.270 | 1,191.23 | 16,302.24 |
| 17 | 0.83 | 4,359 | 0.278 | 1,209.75 | 17,511.99 |
| 18 | 0.82 | 4,307 | 0.285 | 1,227.47 | 18,739.47 |
| 19 | 0.81 | 4,254 | 0.293 | 1,244.41 | 19,983.88 |
| 20 | 0.8 | 4,202 | 0.300 | 1,260.56 | 21,244.44 |