| 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: 13.36
At $0.15 per kWh = $2 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 | 4,828 | 0.158 | 760.35 | 760.35 |
| 2 | 0.98 | 4,779 | 0.165 | 788.51 | 1,548.87 |
| 3 | 0.97 | 4,730 | 0.173 | 815.94 | 2,364.81 |
| 4 | 0.96 | 4,681 | 0.180 | 842.64 | 3,207.45 |
| 5 | 0.95 | 4,633 | 0.188 | 868.61 | 4,076.06 |
| 6 | 0.94 | 4,584 | 0.195 | 893.84 | 4,969.90 |
| 7 | 0.93 | 4,535 | 0.203 | 918.35 | 5,888.25 |
| 8 | 0.92 | 4,486 | 0.210 | 942.12 | 6,830.37 |
| 9 | 0.91 | 4,438 | 0.218 | 965.16 | 7,795.53 |
| 10 | 0.9 | 4,389 | 0.225 | 987.47 | 8,783.01 |
| 11 | 0.89 | 4,340 | 0.233 | 1,009.05 | 9,792.06 |
| 12 | 0.88 | 4,291 | 0.240 | 1,029.90 | 10,821.95 |
| 13 | 0.87 | 4,242 | 0.248 | 1,050.01 | 11,871.96 |
| 14 | 0.86 | 4,194 | 0.255 | 1,069.39 | 12,941.36 |
| 15 | 0.85 | 4,145 | 0.263 | 1,088.05 | 14,029.40 |
| 16 | 0.84 | 4,096 | 0.270 | 1,105.97 | 15,135.37 |
| 17 | 0.83 | 4,047 | 0.278 | 1,123.16 | 16,258.53 |
| 18 | 0.82 | 3,999 | 0.285 | 1,139.61 | 17,398.14 |
| 19 | 0.81 | 3,950 | 0.293 | 1,155.34 | 18,553.48 |
| 20 | 0.8 | 3,901 | 0.300 | 1,170.34 | 19,723.82 |