| 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: 13.73
At $0.15 per kWh = $2.06 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 | 4,961 | 0.158 | 781.41 | 781.41 |
| 2 | 0.98 | 4,911 | 0.165 | 810.35 | 1,591.76 |
| 3 | 0.97 | 4,861 | 0.173 | 838.54 | 2,430.30 |
| 4 | 0.96 | 4,811 | 0.180 | 865.98 | 3,296.28 |
| 5 | 0.95 | 4,761 | 0.188 | 892.66 | 4,188.95 |
| 6 | 0.94 | 4,711 | 0.195 | 918.60 | 5,107.54 |
| 7 | 0.93 | 4,661 | 0.203 | 943.78 | 6,051.33 |
| 8 | 0.92 | 4,611 | 0.210 | 968.21 | 7,019.54 |
| 9 | 0.91 | 4,560 | 0.218 | 991.89 | 8,011.43 |
| 10 | 0.9 | 4,510 | 0.225 | 1,014.82 | 9,026.25 |
| 11 | 0.89 | 4,460 | 0.233 | 1,036.99 | 10,063.24 |
| 12 | 0.88 | 4,410 | 0.240 | 1,058.42 | 11,121.66 |
| 13 | 0.87 | 4,360 | 0.248 | 1,079.09 | 12,200.75 |
| 14 | 0.86 | 4,310 | 0.255 | 1,099.01 | 13,299.76 |
| 15 | 0.85 | 4,260 | 0.263 | 1,118.18 | 14,417.94 |
| 16 | 0.84 | 4,210 | 0.270 | 1,136.60 | 15,554.54 |
| 17 | 0.83 | 4,160 | 0.278 | 1,154.26 | 16,708.80 |
| 18 | 0.82 | 4,109 | 0.285 | 1,171.18 | 17,879.98 |
| 19 | 0.81 | 4,059 | 0.293 | 1,187.34 | 19,067.31 |
| 20 | 0.8 | 4,009 | 0.300 | 1,202.75 | 20,270.06 |