| 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: 13.12
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 | 4,741 | 0.158 | 746.69 | 746.69 |
| 2 | 0.98 | 4,693 | 0.165 | 774.35 | 1,521.04 |
| 3 | 0.97 | 4,645 | 0.173 | 801.29 | 2,322.33 |
| 4 | 0.96 | 4,597 | 0.180 | 827.50 | 3,149.83 |
| 5 | 0.95 | 4,549 | 0.188 | 853.01 | 4,002.84 |
| 6 | 0.94 | 4,501 | 0.195 | 877.79 | 4,880.63 |
| 7 | 0.93 | 4,454 | 0.203 | 901.85 | 5,782.48 |
| 8 | 0.92 | 4,406 | 0.210 | 925.20 | 6,707.67 |
| 9 | 0.91 | 4,358 | 0.218 | 947.82 | 7,655.50 |
| 10 | 0.9 | 4,310 | 0.225 | 969.73 | 8,625.23 |
| 11 | 0.89 | 4,262 | 0.233 | 990.92 | 9,616.15 |
| 12 | 0.88 | 4,214 | 0.240 | 1,011.39 | 10,627.54 |
| 13 | 0.87 | 4,166 | 0.248 | 1,031.15 | 11,658.69 |
| 14 | 0.86 | 4,118 | 0.255 | 1,050.18 | 12,708.88 |
| 15 | 0.85 | 4,070 | 0.263 | 1,068.50 | 13,777.38 |
| 16 | 0.84 | 4,023 | 0.270 | 1,086.10 | 14,863.48 |
| 17 | 0.83 | 3,975 | 0.278 | 1,102.98 | 15,966.46 |
| 18 | 0.82 | 3,927 | 0.285 | 1,119.14 | 17,085.60 |
| 19 | 0.81 | 3,879 | 0.293 | 1,134.59 | 18,220.19 |
| 20 | 0.8 | 3,831 | 0.300 | 1,149.31 | 19,369.50 |