| 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: 12.97
At $0.15 per kWh = $1.95 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 | 4,687 | 0.158 | 738.16 | 738.16 |
| 2 | 0.98 | 4,639 | 0.165 | 765.50 | 1,503.65 |
| 3 | 0.97 | 4,592 | 0.173 | 792.12 | 2,295.78 |
| 4 | 0.96 | 4,545 | 0.180 | 818.04 | 3,113.82 |
| 5 | 0.95 | 4,497 | 0.188 | 843.25 | 3,957.07 |
| 6 | 0.94 | 4,450 | 0.195 | 867.75 | 4,824.83 |
| 7 | 0.93 | 4,403 | 0.203 | 891.54 | 5,716.37 |
| 8 | 0.92 | 4,355 | 0.210 | 914.62 | 6,630.98 |
| 9 | 0.91 | 4,308 | 0.218 | 936.99 | 7,567.97 |
| 10 | 0.9 | 4,261 | 0.225 | 958.65 | 8,526.62 |
| 11 | 0.89 | 4,213 | 0.233 | 979.59 | 9,506.21 |
| 12 | 0.88 | 4,166 | 0.240 | 999.83 | 10,506.04 |
| 13 | 0.87 | 4,119 | 0.248 | 1,019.36 | 11,525.40 |
| 14 | 0.86 | 4,071 | 0.255 | 1,038.18 | 12,563.58 |
| 15 | 0.85 | 4,024 | 0.263 | 1,056.28 | 13,619.86 |
| 16 | 0.84 | 3,977 | 0.270 | 1,073.68 | 14,693.54 |
| 17 | 0.83 | 3,929 | 0.278 | 1,090.37 | 15,783.91 |
| 18 | 0.82 | 3,882 | 0.285 | 1,106.35 | 16,890.26 |
| 19 | 0.81 | 3,835 | 0.293 | 1,121.61 | 18,011.88 |
| 20 | 0.8 | 3,787 | 0.300 | 1,136.17 | 19,148.05 |