| 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: 14.84
At $0.15 per kWh = $2.23 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 | 5,362 | 0.158 | 844.58 | 844.58 |
| 2 | 0.98 | 5,308 | 0.165 | 875.86 | 1,720.45 |
| 3 | 0.97 | 5,254 | 0.173 | 906.33 | 2,626.78 |
| 4 | 0.96 | 5,200 | 0.180 | 935.99 | 3,562.77 |
| 5 | 0.95 | 5,146 | 0.188 | 964.83 | 4,527.60 |
| 6 | 0.94 | 5,092 | 0.195 | 992.86 | 5,520.46 |
| 7 | 0.93 | 5,037 | 0.203 | 1,020.08 | 6,540.54 |
| 8 | 0.92 | 4,983 | 0.210 | 1,046.49 | 7,587.03 |
| 9 | 0.91 | 4,929 | 0.218 | 1,072.08 | 8,659.11 |
| 10 | 0.9 | 4,875 | 0.225 | 1,096.86 | 9,755.97 |
| 11 | 0.89 | 4,821 | 0.233 | 1,120.83 | 10,876.80 |
| 12 | 0.88 | 4,767 | 0.240 | 1,143.99 | 12,020.79 |
| 13 | 0.87 | 4,712 | 0.248 | 1,166.33 | 13,187.12 |
| 14 | 0.86 | 4,658 | 0.255 | 1,187.86 | 14,374.98 |
| 15 | 0.85 | 4,604 | 0.263 | 1,208.58 | 15,583.56 |
| 16 | 0.84 | 4,550 | 0.270 | 1,228.48 | 16,812.04 |
| 17 | 0.83 | 4,496 | 0.278 | 1,247.58 | 18,059.62 |
| 18 | 0.82 | 4,442 | 0.285 | 1,265.86 | 19,325.48 |
| 19 | 0.81 | 4,387 | 0.293 | 1,283.33 | 20,608.81 |
| 20 | 0.8 | 4,333 | 0.300 | 1,299.98 | 21,908.79 |