| 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: 24.16
At $0.15 per kWh = $3.62 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 | 8,730 | 0.158 | 1,375.01 | 1,375.01 |
| 2 | 0.98 | 8,642 | 0.165 | 1,425.94 | 2,800.94 |
| 3 | 0.97 | 8,554 | 0.173 | 1,475.54 | 4,276.48 |
| 4 | 0.96 | 8,466 | 0.180 | 1,523.82 | 5,800.30 |
| 5 | 0.95 | 8,377 | 0.188 | 1,570.78 | 7,371.08 |
| 6 | 0.94 | 8,289 | 0.195 | 1,616.41 | 8,987.49 |
| 7 | 0.93 | 8,201 | 0.203 | 1,660.73 | 10,648.22 |
| 8 | 0.92 | 8,113 | 0.210 | 1,703.71 | 12,351.93 |
| 9 | 0.91 | 8,025 | 0.218 | 1,745.38 | 14,097.31 |
| 10 | 0.9 | 7,937 | 0.225 | 1,785.73 | 15,883.04 |
| 11 | 0.89 | 7,848 | 0.233 | 1,824.75 | 17,707.79 |
| 12 | 0.88 | 7,760 | 0.240 | 1,862.45 | 19,570.23 |
| 13 | 0.87 | 7,672 | 0.248 | 1,898.82 | 21,469.06 |
| 14 | 0.86 | 7,584 | 0.255 | 1,933.88 | 23,402.93 |
| 15 | 0.85 | 7,496 | 0.263 | 1,967.61 | 25,370.54 |
| 16 | 0.84 | 7,407 | 0.270 | 2,000.01 | 27,370.55 |
| 17 | 0.83 | 7,319 | 0.278 | 2,031.10 | 29,401.65 |
| 18 | 0.82 | 7,231 | 0.285 | 2,060.86 | 31,462.51 |
| 19 | 0.81 | 7,143 | 0.293 | 2,089.30 | 33,551.81 |
| 20 | 0.8 | 7,055 | 0.300 | 2,116.42 | 35,668.22 |