| 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: 13.81
At $0.15 per kWh = $2.07 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 | 4,990 | 0.158 | 785.96 | 785.96 |
| 2 | 0.98 | 4,940 | 0.165 | 815.07 | 1,601.04 |
| 3 | 0.97 | 4,889 | 0.173 | 843.43 | 2,444.46 |
| 4 | 0.96 | 4,839 | 0.180 | 871.02 | 3,315.49 |
| 5 | 0.95 | 4,789 | 0.188 | 897.87 | 4,213.35 |
| 6 | 0.94 | 4,738 | 0.195 | 923.95 | 5,137.30 |
| 7 | 0.93 | 4,688 | 0.203 | 949.28 | 6,086.58 |
| 8 | 0.92 | 4,637 | 0.210 | 973.85 | 7,060.44 |
| 9 | 0.91 | 4,587 | 0.218 | 997.67 | 8,058.11 |
| 10 | 0.9 | 4,537 | 0.225 | 1,020.73 | 9,078.84 |
| 11 | 0.89 | 4,486 | 0.233 | 1,043.04 | 10,121.88 |
| 12 | 0.88 | 4,436 | 0.240 | 1,064.59 | 11,186.46 |
| 13 | 0.87 | 4,385 | 0.248 | 1,085.38 | 12,271.84 |
| 14 | 0.86 | 4,335 | 0.255 | 1,105.41 | 13,377.26 |
| 15 | 0.85 | 4,285 | 0.263 | 1,124.70 | 14,501.95 |
| 16 | 0.84 | 4,234 | 0.270 | 1,143.22 | 15,645.17 |
| 17 | 0.83 | 4,184 | 0.278 | 1,160.99 | 16,806.16 |
| 18 | 0.82 | 4,133 | 0.285 | 1,178.00 | 17,984.16 |
| 19 | 0.81 | 4,083 | 0.293 | 1,194.26 | 19,178.41 |
| 20 | 0.8 | 4,033 | 0.300 | 1,209.76 | 20,388.17 |