| 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: 12.98
At $0.15 per kWh = $1.95 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 | 4,690 | 0.158 | 738.73 | 738.73 |
| 2 | 0.98 | 4,643 | 0.165 | 766.09 | 1,504.81 |
| 3 | 0.97 | 4,596 | 0.173 | 792.74 | 2,297.55 |
| 4 | 0.96 | 4,548 | 0.180 | 818.67 | 3,116.22 |
| 5 | 0.95 | 4,501 | 0.188 | 843.90 | 3,960.12 |
| 6 | 0.94 | 4,453 | 0.195 | 868.42 | 4,828.55 |
| 7 | 0.93 | 4,406 | 0.203 | 892.23 | 5,720.77 |
| 8 | 0.92 | 4,359 | 0.210 | 915.32 | 6,636.10 |
| 9 | 0.91 | 4,311 | 0.218 | 937.71 | 7,573.81 |
| 10 | 0.9 | 4,264 | 0.225 | 959.38 | 8,533.19 |
| 11 | 0.89 | 4,217 | 0.233 | 980.35 | 9,513.54 |
| 12 | 0.88 | 4,169 | 0.240 | 1,000.60 | 10,514.14 |
| 13 | 0.87 | 4,122 | 0.248 | 1,020.15 | 11,534.29 |
| 14 | 0.86 | 4,074 | 0.255 | 1,038.98 | 12,573.26 |
| 15 | 0.85 | 4,027 | 0.263 | 1,057.10 | 13,630.36 |
| 16 | 0.84 | 3,980 | 0.270 | 1,074.51 | 14,704.87 |
| 17 | 0.83 | 3,932 | 0.278 | 1,091.21 | 15,796.08 |
| 18 | 0.82 | 3,885 | 0.285 | 1,107.20 | 16,903.28 |
| 19 | 0.81 | 3,838 | 0.293 | 1,122.48 | 18,025.76 |
| 20 | 0.8 | 3,790 | 0.300 | 1,137.05 | 19,162.81 |