| 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: 13.18
At $0.15 per kWh = $1.98 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 | 4,763 | 0.158 | 750.11 | 750.11 |
| 2 | 0.98 | 4,714 | 0.165 | 777.89 | 1,528.00 |
| 3 | 0.97 | 4,666 | 0.173 | 804.95 | 2,332.95 |
| 4 | 0.96 | 4,618 | 0.180 | 831.29 | 3,164.24 |
| 5 | 0.95 | 4,570 | 0.188 | 856.91 | 4,021.14 |
| 6 | 0.94 | 4,522 | 0.195 | 881.80 | 4,902.95 |
| 7 | 0.93 | 4,474 | 0.203 | 905.98 | 5,808.92 |
| 8 | 0.92 | 4,426 | 0.210 | 929.43 | 6,738.35 |
| 9 | 0.91 | 4,378 | 0.218 | 952.16 | 7,690.51 |
| 10 | 0.9 | 4,330 | 0.225 | 974.17 | 8,664.67 |
| 11 | 0.89 | 4,282 | 0.233 | 995.45 | 9,660.13 |
| 12 | 0.88 | 4,233 | 0.240 | 1,016.02 | 10,676.15 |
| 13 | 0.87 | 4,185 | 0.248 | 1,035.86 | 11,712.01 |
| 14 | 0.86 | 4,137 | 0.255 | 1,054.99 | 12,767.00 |
| 15 | 0.85 | 4,089 | 0.263 | 1,073.39 | 13,840.38 |
| 16 | 0.84 | 4,041 | 0.270 | 1,091.07 | 14,931.45 |
| 17 | 0.83 | 3,993 | 0.278 | 1,108.02 | 16,039.48 |
| 18 | 0.82 | 3,945 | 0.285 | 1,124.26 | 17,163.74 |
| 19 | 0.81 | 3,897 | 0.293 | 1,139.78 | 18,303.51 |
| 20 | 0.8 | 3,849 | 0.300 | 1,154.57 | 19,458.08 |