| 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: 13.37
At $0.15 per kWh = $2.01 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 | 4,831 | 0.158 | 760.92 | 760.92 |
| 2 | 0.98 | 4,782 | 0.165 | 789.10 | 1,550.03 |
| 3 | 0.97 | 4,734 | 0.173 | 816.55 | 2,366.58 |
| 4 | 0.96 | 4,685 | 0.180 | 843.27 | 3,209.85 |
| 5 | 0.95 | 4,636 | 0.188 | 869.26 | 4,079.11 |
| 6 | 0.94 | 4,587 | 0.195 | 894.51 | 4,973.62 |
| 7 | 0.93 | 4,538 | 0.203 | 919.04 | 5,892.66 |
| 8 | 0.92 | 4,490 | 0.210 | 942.83 | 6,835.49 |
| 9 | 0.91 | 4,441 | 0.218 | 965.88 | 7,801.37 |
| 10 | 0.9 | 4,392 | 0.225 | 988.21 | 8,789.58 |
| 11 | 0.89 | 4,343 | 0.233 | 1,009.80 | 9,799.38 |
| 12 | 0.88 | 4,294 | 0.240 | 1,030.67 | 10,830.05 |
| 13 | 0.87 | 4,246 | 0.248 | 1,050.80 | 11,880.85 |
| 14 | 0.86 | 4,197 | 0.255 | 1,070.19 | 12,951.04 |
| 15 | 0.85 | 4,148 | 0.263 | 1,088.86 | 14,039.90 |
| 16 | 0.84 | 4,099 | 0.270 | 1,106.80 | 15,146.70 |
| 17 | 0.83 | 4,050 | 0.278 | 1,124.00 | 16,270.70 |
| 18 | 0.82 | 4,002 | 0.285 | 1,140.47 | 17,411.16 |
| 19 | 0.81 | 3,953 | 0.293 | 1,156.21 | 18,567.37 |
| 20 | 0.8 | 3,904 | 0.300 | 1,171.21 | 19,738.58 |