| 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: 13.24
At $0.15 per kWh = $1.99 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 | 4,784 | 0.158 | 753.52 | 753.52 |
| 2 | 0.98 | 4,736 | 0.165 | 781.43 | 1,534.95 |
| 3 | 0.97 | 4,688 | 0.173 | 808.61 | 2,343.57 |
| 4 | 0.96 | 4,639 | 0.180 | 835.07 | 3,178.64 |
| 5 | 0.95 | 4,591 | 0.188 | 860.81 | 4,039.45 |
| 6 | 0.94 | 4,543 | 0.195 | 885.82 | 4,925.27 |
| 7 | 0.93 | 4,494 | 0.203 | 910.10 | 5,835.36 |
| 8 | 0.92 | 4,446 | 0.210 | 933.66 | 6,769.02 |
| 9 | 0.91 | 4,398 | 0.218 | 956.49 | 7,725.52 |
| 10 | 0.9 | 4,349 | 0.225 | 978.60 | 8,704.12 |
| 11 | 0.89 | 4,301 | 0.233 | 999.99 | 9,704.10 |
| 12 | 0.88 | 4,253 | 0.240 | 1,020.65 | 10,724.75 |
| 13 | 0.87 | 4,204 | 0.248 | 1,040.58 | 11,765.33 |
| 14 | 0.86 | 4,156 | 0.255 | 1,059.79 | 12,825.12 |
| 15 | 0.85 | 4,108 | 0.263 | 1,078.27 | 13,903.39 |
| 16 | 0.84 | 4,059 | 0.270 | 1,096.03 | 14,999.42 |
| 17 | 0.83 | 4,011 | 0.278 | 1,113.07 | 16,112.49 |
| 18 | 0.82 | 3,963 | 0.285 | 1,129.38 | 17,241.87 |
| 19 | 0.81 | 3,914 | 0.293 | 1,144.96 | 18,386.83 |
| 20 | 0.8 | 3,866 | 0.300 | 1,159.82 | 19,546.66 |