| 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: 23.36
At $0.15 per kWh = $3.5 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 | 8,441 | 0.158 | 1,329.48 | 1,329.48 |
| 2 | 0.98 | 8,356 | 0.165 | 1,378.72 | 2,708.20 |
| 3 | 0.97 | 8,271 | 0.173 | 1,426.68 | 4,134.88 |
| 4 | 0.96 | 8,185 | 0.180 | 1,473.36 | 5,608.24 |
| 5 | 0.95 | 8,100 | 0.188 | 1,518.77 | 7,127.00 |
| 6 | 0.94 | 8,015 | 0.195 | 1,562.89 | 8,689.89 |
| 7 | 0.93 | 7,930 | 0.203 | 1,605.73 | 10,295.63 |
| 8 | 0.92 | 7,844 | 0.210 | 1,647.30 | 11,942.93 |
| 9 | 0.91 | 7,759 | 0.218 | 1,687.59 | 13,630.52 |
| 10 | 0.9 | 7,674 | 0.225 | 1,726.60 | 15,357.11 |
| 11 | 0.89 | 7,588 | 0.233 | 1,764.33 | 17,121.44 |
| 12 | 0.88 | 7,503 | 0.240 | 1,800.78 | 18,922.21 |
| 13 | 0.87 | 7,418 | 0.248 | 1,835.95 | 20,758.16 |
| 14 | 0.86 | 7,333 | 0.255 | 1,869.84 | 22,628.00 |
| 15 | 0.85 | 7,247 | 0.263 | 1,902.45 | 24,530.45 |
| 16 | 0.84 | 7,162 | 0.270 | 1,933.79 | 26,464.24 |
| 17 | 0.83 | 7,077 | 0.278 | 1,963.84 | 28,428.08 |
| 18 | 0.82 | 6,992 | 0.285 | 1,992.62 | 30,420.70 |
| 19 | 0.81 | 6,906 | 0.293 | 2,020.12 | 32,440.82 |
| 20 | 0.8 | 6,821 | 0.300 | 2,046.34 | 34,487.16 |