| 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: 14.13
At $0.15 per kWh = $2.12 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 | 5,106 | 0.158 | 804.18 | 804.18 |
| 2 | 0.98 | 5,054 | 0.165 | 833.96 | 1,638.14 |
| 3 | 0.97 | 5,003 | 0.173 | 862.97 | 2,501.11 |
| 4 | 0.96 | 4,951 | 0.180 | 891.21 | 3,392.31 |
| 5 | 0.95 | 4,900 | 0.188 | 918.67 | 4,310.98 |
| 6 | 0.94 | 4,848 | 0.195 | 945.36 | 5,256.34 |
| 7 | 0.93 | 4,796 | 0.203 | 971.28 | 6,227.62 |
| 8 | 0.92 | 4,745 | 0.210 | 996.42 | 7,224.04 |
| 9 | 0.91 | 4,693 | 0.218 | 1,020.79 | 8,244.83 |
| 10 | 0.9 | 4,642 | 0.225 | 1,044.38 | 9,289.21 |
| 11 | 0.89 | 4,590 | 0.233 | 1,067.21 | 10,356.42 |
| 12 | 0.88 | 4,539 | 0.240 | 1,089.25 | 11,445.67 |
| 13 | 0.87 | 4,487 | 0.248 | 1,110.53 | 12,556.20 |
| 14 | 0.86 | 4,435 | 0.255 | 1,131.03 | 13,687.23 |
| 15 | 0.85 | 4,384 | 0.263 | 1,150.76 | 14,837.98 |
| 16 | 0.84 | 4,332 | 0.270 | 1,169.71 | 16,007.69 |
| 17 | 0.83 | 4,281 | 0.278 | 1,187.89 | 17,195.58 |
| 18 | 0.82 | 4,229 | 0.285 | 1,205.30 | 18,400.88 |
| 19 | 0.81 | 4,178 | 0.293 | 1,221.93 | 19,622.81 |
| 20 | 0.8 | 4,126 | 0.300 | 1,237.79 | 20,860.60 |