| 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: 19.71
At $0.15 per kWh = $2.96 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 | 7,122 | 0.158 | 1,121.75 | 1,121.75 |
| 2 | 0.98 | 7,050 | 0.165 | 1,163.29 | 2,285.04 |
| 3 | 0.97 | 6,978 | 0.173 | 1,203.76 | 3,488.80 |
| 4 | 0.96 | 6,906 | 0.180 | 1,243.15 | 4,731.95 |
| 5 | 0.95 | 6,834 | 0.188 | 1,281.46 | 6,013.41 |
| 6 | 0.94 | 6,763 | 0.195 | 1,318.69 | 7,332.10 |
| 7 | 0.93 | 6,691 | 0.203 | 1,354.84 | 8,686.94 |
| 8 | 0.92 | 6,619 | 0.210 | 1,389.91 | 10,076.85 |
| 9 | 0.91 | 6,547 | 0.218 | 1,423.90 | 11,500.75 |
| 10 | 0.9 | 6,475 | 0.225 | 1,456.82 | 12,957.56 |
| 11 | 0.89 | 6,403 | 0.233 | 1,488.65 | 14,446.21 |
| 12 | 0.88 | 6,331 | 0.240 | 1,519.40 | 15,965.62 |
| 13 | 0.87 | 6,259 | 0.248 | 1,549.08 | 17,514.70 |
| 14 | 0.86 | 6,187 | 0.255 | 1,577.68 | 19,092.37 |
| 15 | 0.85 | 6,115 | 0.263 | 1,605.19 | 20,697.57 |
| 16 | 0.84 | 6,043 | 0.270 | 1,631.63 | 22,329.20 |
| 17 | 0.83 | 5,971 | 0.278 | 1,656.99 | 23,986.20 |
| 18 | 0.82 | 5,899 | 0.285 | 1,681.27 | 25,667.47 |
| 19 | 0.81 | 5,827 | 0.293 | 1,704.47 | 27,371.94 |
| 20 | 0.8 | 5,755 | 0.300 | 1,726.60 | 29,098.54 |