| 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: 13.17
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 | 4,759 | 0.158 | 749.54 | 749.54 |
| 2 | 0.98 | 4,711 | 0.165 | 777.30 | 1,526.84 |
| 3 | 0.97 | 4,663 | 0.173 | 804.34 | 2,331.18 |
| 4 | 0.96 | 4,615 | 0.180 | 830.66 | 3,161.84 |
| 5 | 0.95 | 4,567 | 0.188 | 856.26 | 4,018.09 |
| 6 | 0.94 | 4,519 | 0.195 | 881.13 | 4,899.23 |
| 7 | 0.93 | 4,471 | 0.203 | 905.29 | 5,804.51 |
| 8 | 0.92 | 4,422 | 0.210 | 928.72 | 6,733.23 |
| 9 | 0.91 | 4,374 | 0.218 | 951.44 | 7,684.67 |
| 10 | 0.9 | 4,326 | 0.225 | 973.43 | 8,658.10 |
| 11 | 0.89 | 4,278 | 0.233 | 994.70 | 9,652.80 |
| 12 | 0.88 | 4,230 | 0.240 | 1,015.25 | 10,668.05 |
| 13 | 0.87 | 4,182 | 0.248 | 1,035.08 | 11,703.12 |
| 14 | 0.86 | 4,134 | 0.255 | 1,054.19 | 12,757.31 |
| 15 | 0.85 | 4,086 | 0.263 | 1,072.57 | 13,829.88 |
| 16 | 0.84 | 4,038 | 0.270 | 1,090.24 | 14,920.12 |
| 17 | 0.83 | 3,990 | 0.278 | 1,107.18 | 16,027.31 |
| 18 | 0.82 | 3,942 | 0.285 | 1,123.41 | 17,150.71 |
| 19 | 0.81 | 3,894 | 0.293 | 1,138.91 | 18,289.62 |
| 20 | 0.8 | 3,846 | 0.300 | 1,153.69 | 19,443.32 |