| 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: 13.07
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 | 4,723 | 0.158 | 743.85 | 743.85 |
| 2 | 0.98 | 4,675 | 0.165 | 771.40 | 1,515.25 |
| 3 | 0.97 | 4,627 | 0.173 | 798.23 | 2,313.48 |
| 4 | 0.96 | 4,580 | 0.180 | 824.35 | 3,137.83 |
| 5 | 0.95 | 4,532 | 0.188 | 849.75 | 3,987.58 |
| 6 | 0.94 | 4,484 | 0.195 | 874.44 | 4,862.03 |
| 7 | 0.93 | 4,437 | 0.203 | 898.41 | 5,760.44 |
| 8 | 0.92 | 4,389 | 0.210 | 921.67 | 6,682.11 |
| 9 | 0.91 | 4,341 | 0.218 | 944.21 | 7,626.32 |
| 10 | 0.9 | 4,293 | 0.225 | 966.04 | 8,592.36 |
| 11 | 0.89 | 4,246 | 0.233 | 987.15 | 9,579.50 |
| 12 | 0.88 | 4,198 | 0.240 | 1,007.54 | 10,587.04 |
| 13 | 0.87 | 4,150 | 0.248 | 1,027.22 | 11,614.26 |
| 14 | 0.86 | 4,103 | 0.255 | 1,046.18 | 12,660.44 |
| 15 | 0.85 | 4,055 | 0.263 | 1,064.43 | 13,724.87 |
| 16 | 0.84 | 4,007 | 0.270 | 1,081.96 | 14,806.83 |
| 17 | 0.83 | 3,960 | 0.278 | 1,098.78 | 15,905.61 |
| 18 | 0.82 | 3,912 | 0.285 | 1,114.88 | 17,020.49 |
| 19 | 0.81 | 3,864 | 0.293 | 1,130.26 | 18,150.75 |
| 20 | 0.8 | 3,816 | 0.300 | 1,144.93 | 19,295.68 |