| 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: 13.95
At $0.15 per kWh = $2.09 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 | 5,041 | 0.158 | 793.93 | 793.93 |
| 2 | 0.98 | 4,990 | 0.165 | 823.34 | 1,617.27 |
| 3 | 0.97 | 4,939 | 0.173 | 851.98 | 2,469.24 |
| 4 | 0.96 | 4,888 | 0.180 | 879.85 | 3,349.10 |
| 5 | 0.95 | 4,837 | 0.188 | 906.97 | 4,256.07 |
| 6 | 0.94 | 4,786 | 0.195 | 933.32 | 5,189.38 |
| 7 | 0.93 | 4,735 | 0.203 | 958.90 | 6,148.29 |
| 8 | 0.92 | 4,684 | 0.210 | 983.73 | 7,132.01 |
| 9 | 0.91 | 4,633 | 0.218 | 1,007.78 | 8,139.80 |
| 10 | 0.9 | 4,583 | 0.225 | 1,031.08 | 9,170.88 |
| 11 | 0.89 | 4,532 | 0.233 | 1,053.61 | 10,224.49 |
| 12 | 0.88 | 4,481 | 0.240 | 1,075.38 | 11,299.87 |
| 13 | 0.87 | 4,430 | 0.248 | 1,096.38 | 12,396.25 |
| 14 | 0.86 | 4,379 | 0.255 | 1,116.62 | 13,512.87 |
| 15 | 0.85 | 4,328 | 0.263 | 1,136.10 | 14,648.96 |
| 16 | 0.84 | 4,277 | 0.270 | 1,154.81 | 15,803.77 |
| 17 | 0.83 | 4,226 | 0.278 | 1,172.76 | 16,976.53 |
| 18 | 0.82 | 4,175 | 0.285 | 1,189.94 | 18,166.47 |
| 19 | 0.81 | 4,124 | 0.293 | 1,206.36 | 19,372.84 |
| 20 | 0.8 | 4,073 | 0.300 | 1,222.02 | 20,594.86 |