| 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: 15.09
At $0.15 per kWh = $2.26 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 | 5,453 | 0.158 | 858.81 | 858.81 |
| 2 | 0.98 | 5,398 | 0.165 | 890.62 | 1,749.43 |
| 3 | 0.97 | 5,343 | 0.173 | 921.60 | 2,671.03 |
| 4 | 0.96 | 5,288 | 0.180 | 951.76 | 3,622.79 |
| 5 | 0.95 | 5,232 | 0.188 | 981.09 | 4,603.87 |
| 6 | 0.94 | 5,177 | 0.195 | 1,009.59 | 5,613.46 |
| 7 | 0.93 | 5,122 | 0.203 | 1,037.27 | 6,650.73 |
| 8 | 0.92 | 5,067 | 0.210 | 1,064.12 | 7,714.85 |
| 9 | 0.91 | 5,012 | 0.218 | 1,090.14 | 8,804.99 |
| 10 | 0.9 | 4,957 | 0.225 | 1,115.34 | 9,920.33 |
| 11 | 0.89 | 4,902 | 0.233 | 1,139.71 | 11,060.04 |
| 12 | 0.88 | 4,847 | 0.240 | 1,163.26 | 12,223.30 |
| 13 | 0.87 | 4,792 | 0.248 | 1,185.98 | 13,409.27 |
| 14 | 0.86 | 4,737 | 0.255 | 1,207.87 | 14,617.15 |
| 15 | 0.85 | 4,682 | 0.263 | 1,228.94 | 15,846.08 |
| 16 | 0.84 | 4,627 | 0.270 | 1,249.18 | 17,095.26 |
| 17 | 0.83 | 4,572 | 0.278 | 1,268.60 | 18,363.86 |
| 18 | 0.82 | 4,516 | 0.285 | 1,287.18 | 19,651.04 |
| 19 | 0.81 | 4,461 | 0.293 | 1,304.95 | 20,955.99 |
| 20 | 0.8 | 4,406 | 0.300 | 1,321.88 | 22,277.88 |