| 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: 24.33
At $0.15 per kWh = $3.65 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 | 8,792 | 0.158 | 1,384.68 | 1,384.68 |
| 2 | 0.98 | 8,703 | 0.165 | 1,435.97 | 2,820.65 |
| 3 | 0.97 | 8,614 | 0.173 | 1,485.92 | 4,306.57 |
| 4 | 0.96 | 8,525 | 0.180 | 1,534.54 | 5,841.12 |
| 5 | 0.95 | 8,436 | 0.188 | 1,581.83 | 7,422.95 |
| 6 | 0.94 | 8,348 | 0.195 | 1,627.79 | 9,050.73 |
| 7 | 0.93 | 8,259 | 0.203 | 1,672.41 | 10,723.14 |
| 8 | 0.92 | 8,170 | 0.210 | 1,715.70 | 12,438.85 |
| 9 | 0.91 | 8,081 | 0.218 | 1,757.66 | 14,196.51 |
| 10 | 0.9 | 7,992 | 0.225 | 1,798.29 | 15,994.80 |
| 11 | 0.89 | 7,904 | 0.233 | 1,837.59 | 17,832.39 |
| 12 | 0.88 | 7,815 | 0.240 | 1,875.55 | 19,707.94 |
| 13 | 0.87 | 7,726 | 0.248 | 1,912.18 | 21,620.12 |
| 14 | 0.86 | 7,637 | 0.255 | 1,947.48 | 23,567.60 |
| 15 | 0.85 | 7,548 | 0.263 | 1,981.45 | 25,549.05 |
| 16 | 0.84 | 7,460 | 0.270 | 2,014.09 | 27,563.14 |
| 17 | 0.83 | 7,371 | 0.278 | 2,045.39 | 29,608.53 |
| 18 | 0.82 | 7,282 | 0.285 | 2,075.36 | 31,683.89 |
| 19 | 0.81 | 7,193 | 0.293 | 2,104.00 | 33,787.89 |
| 20 | 0.8 | 7,104 | 0.300 | 2,131.31 | 35,919.20 |