| 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: 13.02
At $0.15 per kWh = $1.95 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 | 4,705 | 0.158 | 741.00 | 741.00 |
| 2 | 0.98 | 4,657 | 0.165 | 768.45 | 1,509.45 |
| 3 | 0.97 | 4,610 | 0.173 | 795.18 | 2,304.63 |
| 4 | 0.96 | 4,562 | 0.180 | 821.20 | 3,125.83 |
| 5 | 0.95 | 4,515 | 0.188 | 846.50 | 3,972.33 |
| 6 | 0.94 | 4,467 | 0.195 | 871.10 | 4,843.43 |
| 7 | 0.93 | 4,420 | 0.203 | 894.98 | 5,738.40 |
| 8 | 0.92 | 4,372 | 0.210 | 918.14 | 6,656.55 |
| 9 | 0.91 | 4,325 | 0.218 | 940.60 | 7,597.15 |
| 10 | 0.9 | 4,277 | 0.225 | 962.34 | 8,559.49 |
| 11 | 0.89 | 4,230 | 0.233 | 983.37 | 9,542.86 |
| 12 | 0.88 | 4,182 | 0.240 | 1,003.69 | 10,546.54 |
| 13 | 0.87 | 4,135 | 0.248 | 1,023.29 | 11,569.83 |
| 14 | 0.86 | 4,087 | 0.255 | 1,042.18 | 12,612.01 |
| 15 | 0.85 | 4,039 | 0.263 | 1,060.36 | 13,672.37 |
| 16 | 0.84 | 3,992 | 0.270 | 1,077.82 | 14,750.19 |
| 17 | 0.83 | 3,944 | 0.278 | 1,094.57 | 15,844.76 |
| 18 | 0.82 | 3,897 | 0.285 | 1,110.61 | 16,955.37 |
| 19 | 0.81 | 3,849 | 0.293 | 1,125.94 | 18,081.31 |
| 20 | 0.8 | 3,802 | 0.300 | 1,140.55 | 19,221.87 |