| 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: 13.34
At $0.15 per kWh = $2 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 | 4,820 | 0.158 | 759.21 | 759.21 |
| 2 | 0.98 | 4,772 | 0.165 | 787.33 | 1,546.55 |
| 3 | 0.97 | 4,723 | 0.173 | 814.72 | 2,361.27 |
| 4 | 0.96 | 4,674 | 0.180 | 841.38 | 3,202.65 |
| 5 | 0.95 | 4,626 | 0.188 | 867.31 | 4,069.96 |
| 6 | 0.94 | 4,577 | 0.195 | 892.51 | 4,962.46 |
| 7 | 0.93 | 4,528 | 0.203 | 916.97 | 5,879.44 |
| 8 | 0.92 | 4,480 | 0.210 | 940.71 | 6,820.15 |
| 9 | 0.91 | 4,431 | 0.218 | 963.72 | 7,783.86 |
| 10 | 0.9 | 4,382 | 0.225 | 985.99 | 8,769.86 |
| 11 | 0.89 | 4,333 | 0.233 | 1,007.54 | 9,777.40 |
| 12 | 0.88 | 4,285 | 0.240 | 1,028.35 | 10,805.75 |
| 13 | 0.87 | 4,236 | 0.248 | 1,048.44 | 11,854.19 |
| 14 | 0.86 | 4,187 | 0.255 | 1,067.79 | 12,921.98 |
| 15 | 0.85 | 4,139 | 0.263 | 1,086.42 | 14,008.40 |
| 16 | 0.84 | 4,090 | 0.270 | 1,104.31 | 15,112.71 |
| 17 | 0.83 | 4,041 | 0.278 | 1,121.48 | 16,234.19 |
| 18 | 0.82 | 3,993 | 0.285 | 1,137.91 | 17,372.10 |
| 19 | 0.81 | 3,944 | 0.293 | 1,153.61 | 18,525.71 |
| 20 | 0.8 | 3,895 | 0.300 | 1,168.58 | 19,694.29 |