| 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: 13.52
At $0.15 per kWh = $2.03 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 | 4,885 | 0.158 | 769.46 | 769.46 |
| 2 | 0.98 | 4,836 | 0.165 | 797.96 | 1,567.42 |
| 3 | 0.97 | 4,787 | 0.173 | 825.72 | 2,393.13 |
| 4 | 0.96 | 4,737 | 0.180 | 852.73 | 3,245.86 |
| 5 | 0.95 | 4,688 | 0.188 | 879.01 | 4,124.88 |
| 6 | 0.94 | 4,639 | 0.195 | 904.55 | 5,029.42 |
| 7 | 0.93 | 4,589 | 0.203 | 929.35 | 5,958.77 |
| 8 | 0.92 | 4,540 | 0.210 | 953.40 | 6,912.17 |
| 9 | 0.91 | 4,491 | 0.218 | 976.72 | 7,888.89 |
| 10 | 0.9 | 4,441 | 0.225 | 999.30 | 8,888.19 |
| 11 | 0.89 | 4,392 | 0.233 | 1,021.13 | 9,909.33 |
| 12 | 0.88 | 4,343 | 0.240 | 1,042.23 | 10,951.55 |
| 13 | 0.87 | 4,293 | 0.248 | 1,062.59 | 12,014.14 |
| 14 | 0.86 | 4,244 | 0.255 | 1,082.20 | 13,096.34 |
| 15 | 0.85 | 4,195 | 0.263 | 1,101.08 | 14,197.42 |
| 16 | 0.84 | 4,145 | 0.270 | 1,119.21 | 15,316.63 |
| 17 | 0.83 | 4,096 | 0.278 | 1,136.61 | 16,453.24 |
| 18 | 0.82 | 4,047 | 0.285 | 1,153.26 | 17,606.50 |
| 19 | 0.81 | 3,997 | 0.293 | 1,169.18 | 18,775.68 |
| 20 | 0.8 | 3,948 | 0.300 | 1,184.35 | 19,960.03 |