| 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: 13.08
At $0.15 per kWh = $1.96 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 | 4,726 | 0.158 | 744.42 | 744.42 |
| 2 | 0.98 | 4,679 | 0.165 | 771.99 | 1,516.41 |
| 3 | 0.97 | 4,631 | 0.173 | 798.84 | 2,315.25 |
| 4 | 0.96 | 4,583 | 0.180 | 824.98 | 3,140.23 |
| 5 | 0.95 | 4,535 | 0.188 | 850.40 | 3,990.63 |
| 6 | 0.94 | 4,488 | 0.195 | 875.11 | 4,865.75 |
| 7 | 0.93 | 4,440 | 0.203 | 899.10 | 5,764.85 |
| 8 | 0.92 | 4,392 | 0.210 | 922.38 | 6,687.22 |
| 9 | 0.91 | 4,345 | 0.218 | 944.93 | 7,632.16 |
| 10 | 0.9 | 4,297 | 0.225 | 966.78 | 8,598.93 |
| 11 | 0.89 | 4,249 | 0.233 | 987.90 | 9,586.83 |
| 12 | 0.88 | 4,201 | 0.240 | 1,008.31 | 10,595.14 |
| 13 | 0.87 | 4,154 | 0.248 | 1,028.00 | 11,623.15 |
| 14 | 0.86 | 4,106 | 0.255 | 1,046.98 | 12,670.13 |
| 15 | 0.85 | 4,058 | 0.263 | 1,065.24 | 13,735.37 |
| 16 | 0.84 | 4,010 | 0.270 | 1,082.79 | 14,818.16 |
| 17 | 0.83 | 3,963 | 0.278 | 1,099.62 | 15,917.78 |
| 18 | 0.82 | 3,915 | 0.285 | 1,115.73 | 17,033.51 |
| 19 | 0.81 | 3,867 | 0.293 | 1,131.13 | 18,164.64 |
| 20 | 0.8 | 3,819 | 0.300 | 1,145.81 | 19,310.45 |