| 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: 13.29
At $0.15 per kWh = $1.99 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 | 4,802 | 0.158 | 756.37 | 756.37 |
| 2 | 0.98 | 4,754 | 0.165 | 784.38 | 1,540.75 |
| 3 | 0.97 | 4,705 | 0.173 | 811.67 | 2,352.42 |
| 4 | 0.96 | 4,657 | 0.180 | 838.23 | 3,190.65 |
| 5 | 0.95 | 4,608 | 0.188 | 864.06 | 4,054.70 |
| 6 | 0.94 | 4,560 | 0.195 | 889.16 | 4,943.87 |
| 7 | 0.93 | 4,511 | 0.203 | 913.54 | 5,857.40 |
| 8 | 0.92 | 4,463 | 0.210 | 937.18 | 6,794.59 |
| 9 | 0.91 | 4,414 | 0.218 | 960.10 | 7,754.69 |
| 10 | 0.9 | 4,366 | 0.225 | 982.30 | 8,736.99 |
| 11 | 0.89 | 4,317 | 0.233 | 1,003.76 | 9,740.75 |
| 12 | 0.88 | 4,269 | 0.240 | 1,024.50 | 10,765.25 |
| 13 | 0.87 | 4,220 | 0.248 | 1,044.51 | 11,809.76 |
| 14 | 0.86 | 4,172 | 0.255 | 1,063.79 | 12,873.55 |
| 15 | 0.85 | 4,123 | 0.263 | 1,082.35 | 13,955.90 |
| 16 | 0.84 | 4,075 | 0.270 | 1,100.17 | 15,056.07 |
| 17 | 0.83 | 4,026 | 0.278 | 1,117.27 | 16,173.34 |
| 18 | 0.82 | 3,978 | 0.285 | 1,133.64 | 17,306.98 |
| 19 | 0.81 | 3,929 | 0.293 | 1,149.29 | 18,456.27 |
| 20 | 0.8 | 3,881 | 0.300 | 1,164.20 | 19,620.48 |