| 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: 13.1
At $0.15 per kWh = $1.97 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 | 4,734 | 0.158 | 745.56 | 745.56 |
| 2 | 0.98 | 4,686 | 0.165 | 773.17 | 1,518.72 |
| 3 | 0.97 | 4,638 | 0.173 | 800.06 | 2,318.79 |
| 4 | 0.96 | 4,590 | 0.180 | 826.24 | 3,145.03 |
| 5 | 0.95 | 4,542 | 0.188 | 851.70 | 3,996.74 |
| 6 | 0.94 | 4,495 | 0.195 | 876.45 | 4,873.19 |
| 7 | 0.93 | 4,447 | 0.203 | 900.48 | 5,773.66 |
| 8 | 0.92 | 4,399 | 0.210 | 923.79 | 6,697.45 |
| 9 | 0.91 | 4,351 | 0.218 | 946.38 | 7,643.83 |
| 10 | 0.9 | 4,303 | 0.225 | 968.25 | 8,612.08 |
| 11 | 0.89 | 4,256 | 0.233 | 989.41 | 9,601.49 |
| 12 | 0.88 | 4,208 | 0.240 | 1,009.85 | 10,611.34 |
| 13 | 0.87 | 4,160 | 0.248 | 1,029.58 | 11,640.92 |
| 14 | 0.86 | 4,112 | 0.255 | 1,048.58 | 12,689.50 |
| 15 | 0.85 | 4,064 | 0.263 | 1,066.87 | 13,756.38 |
| 16 | 0.84 | 4,016 | 0.270 | 1,084.44 | 14,840.82 |
| 17 | 0.83 | 3,969 | 0.278 | 1,101.30 | 15,942.12 |
| 18 | 0.82 | 3,921 | 0.285 | 1,117.44 | 17,059.56 |
| 19 | 0.81 | 3,873 | 0.293 | 1,132.86 | 18,192.41 |
| 20 | 0.8 | 3,825 | 0.300 | 1,147.56 | 19,339.97 |