| 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: 13.21
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 | 4,773 | 0.158 | 751.82 | 751.82 |
| 2 | 0.98 | 4,725 | 0.165 | 779.66 | 1,531.48 |
| 3 | 0.97 | 4,677 | 0.173 | 806.78 | 2,338.26 |
| 4 | 0.96 | 4,629 | 0.180 | 833.18 | 3,171.44 |
| 5 | 0.95 | 4,581 | 0.188 | 858.86 | 4,030.30 |
| 6 | 0.94 | 4,532 | 0.195 | 883.81 | 4,914.11 |
| 7 | 0.93 | 4,484 | 0.203 | 908.04 | 5,822.14 |
| 8 | 0.92 | 4,436 | 0.210 | 931.54 | 6,753.69 |
| 9 | 0.91 | 4,388 | 0.218 | 954.33 | 7,708.01 |
| 10 | 0.9 | 4,339 | 0.225 | 976.38 | 8,684.39 |
| 11 | 0.89 | 4,291 | 0.233 | 997.72 | 9,682.11 |
| 12 | 0.88 | 4,243 | 0.240 | 1,018.33 | 10,700.45 |
| 13 | 0.87 | 4,195 | 0.248 | 1,038.22 | 11,738.67 |
| 14 | 0.86 | 4,147 | 0.255 | 1,057.39 | 12,796.06 |
| 15 | 0.85 | 4,098 | 0.263 | 1,075.83 | 13,871.89 |
| 16 | 0.84 | 4,050 | 0.270 | 1,093.55 | 14,965.44 |
| 17 | 0.83 | 4,002 | 0.278 | 1,110.55 | 16,075.98 |
| 18 | 0.82 | 3,954 | 0.285 | 1,126.82 | 17,202.80 |
| 19 | 0.81 | 3,906 | 0.293 | 1,142.37 | 18,345.17 |
| 20 | 0.8 | 3,857 | 0.300 | 1,157.20 | 19,502.37 |