| 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: 13.41
At $0.15 per kWh = $2.01 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 | 4,846 | 0.158 | 763.20 | 763.20 |
| 2 | 0.98 | 4,797 | 0.165 | 791.46 | 1,554.66 |
| 3 | 0.97 | 4,748 | 0.173 | 819.00 | 2,373.66 |
| 4 | 0.96 | 4,699 | 0.180 | 845.80 | 3,219.46 |
| 5 | 0.95 | 4,650 | 0.188 | 871.86 | 4,091.32 |
| 6 | 0.94 | 4,601 | 0.195 | 897.19 | 4,988.50 |
| 7 | 0.93 | 4,552 | 0.203 | 921.78 | 5,910.29 |
| 8 | 0.92 | 4,503 | 0.210 | 945.65 | 6,855.94 |
| 9 | 0.91 | 4,454 | 0.218 | 968.77 | 7,824.71 |
| 10 | 0.9 | 4,405 | 0.225 | 991.17 | 8,815.88 |
| 11 | 0.89 | 4,356 | 0.233 | 1,012.83 | 9,828.70 |
| 12 | 0.88 | 4,307 | 0.240 | 1,033.75 | 10,862.45 |
| 13 | 0.87 | 4,258 | 0.248 | 1,053.94 | 11,916.39 |
| 14 | 0.86 | 4,209 | 0.255 | 1,073.40 | 12,989.79 |
| 15 | 0.85 | 4,160 | 0.263 | 1,092.12 | 14,081.91 |
| 16 | 0.84 | 4,112 | 0.270 | 1,110.11 | 15,192.01 |
| 17 | 0.83 | 4,063 | 0.278 | 1,127.36 | 16,319.37 |
| 18 | 0.82 | 4,014 | 0.285 | 1,143.88 | 17,463.25 |
| 19 | 0.81 | 3,965 | 0.293 | 1,159.66 | 18,622.92 |
| 20 | 0.8 | 3,916 | 0.300 | 1,174.72 | 19,797.64 |