| 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: 16.06
At $0.15 per kWh = $2.41 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 | 5,803 | 0.158 | 914.02 | 914.02 |
| 2 | 0.98 | 5,745 | 0.165 | 947.87 | 1,861.89 |
| 3 | 0.97 | 5,686 | 0.173 | 980.84 | 2,842.73 |
| 4 | 0.96 | 5,627 | 0.180 | 1,012.94 | 3,855.66 |
| 5 | 0.95 | 5,569 | 0.188 | 1,044.15 | 4,899.82 |
| 6 | 0.94 | 5,510 | 0.195 | 1,074.49 | 5,974.30 |
| 7 | 0.93 | 5,452 | 0.203 | 1,103.94 | 7,078.24 |
| 8 | 0.92 | 5,393 | 0.210 | 1,132.52 | 8,210.76 |
| 9 | 0.91 | 5,334 | 0.218 | 1,160.22 | 9,370.98 |
| 10 | 0.9 | 5,276 | 0.225 | 1,187.03 | 10,558.01 |
| 11 | 0.89 | 5,217 | 0.233 | 1,212.97 | 11,770.99 |
| 12 | 0.88 | 5,158 | 0.240 | 1,238.03 | 13,009.02 |
| 13 | 0.87 | 5,100 | 0.248 | 1,262.21 | 14,271.24 |
| 14 | 0.86 | 5,041 | 0.255 | 1,285.51 | 15,556.75 |
| 15 | 0.85 | 4,983 | 0.263 | 1,307.94 | 16,864.69 |
| 16 | 0.84 | 4,924 | 0.270 | 1,329.48 | 18,194.17 |
| 17 | 0.83 | 4,865 | 0.278 | 1,350.14 | 19,544.31 |
| 18 | 0.82 | 4,807 | 0.285 | 1,369.93 | 20,914.23 |
| 19 | 0.81 | 4,748 | 0.293 | 1,388.83 | 22,303.06 |
| 20 | 0.8 | 4,690 | 0.300 | 1,406.86 | 23,709.92 |