| 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: 13.03
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 | 4,708 | 0.158 | 741.57 | 741.57 |
| 2 | 0.98 | 4,661 | 0.165 | 769.04 | 1,510.61 |
| 3 | 0.97 | 4,613 | 0.173 | 795.79 | 2,306.40 |
| 4 | 0.96 | 4,566 | 0.180 | 821.83 | 3,128.23 |
| 5 | 0.95 | 4,518 | 0.188 | 847.15 | 3,975.38 |
| 6 | 0.94 | 4,471 | 0.195 | 871.77 | 4,847.15 |
| 7 | 0.93 | 4,423 | 0.203 | 895.66 | 5,742.81 |
| 8 | 0.92 | 4,375 | 0.210 | 918.85 | 6,661.66 |
| 9 | 0.91 | 4,328 | 0.218 | 941.32 | 7,602.98 |
| 10 | 0.9 | 4,280 | 0.225 | 963.08 | 8,566.06 |
| 11 | 0.89 | 4,233 | 0.233 | 984.12 | 9,550.19 |
| 12 | 0.88 | 4,185 | 0.240 | 1,004.46 | 10,554.64 |
| 13 | 0.87 | 4,138 | 0.248 | 1,024.07 | 11,578.72 |
| 14 | 0.86 | 4,090 | 0.255 | 1,042.98 | 12,621.70 |
| 15 | 0.85 | 4,043 | 0.263 | 1,061.17 | 13,682.87 |
| 16 | 0.84 | 3,995 | 0.270 | 1,078.65 | 14,761.52 |
| 17 | 0.83 | 3,947 | 0.278 | 1,095.41 | 15,856.93 |
| 18 | 0.82 | 3,900 | 0.285 | 1,111.47 | 16,968.40 |
| 19 | 0.81 | 3,852 | 0.293 | 1,126.80 | 18,095.20 |
| 20 | 0.8 | 3,805 | 0.300 | 1,141.43 | 19,236.63 |