| 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: 13.26
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 | 4,792 | 0.158 | 754.66 | 754.66 |
| 2 | 0.98 | 4,743 | 0.165 | 782.61 | 1,537.27 |
| 3 | 0.97 | 4,695 | 0.173 | 809.84 | 2,347.11 |
| 4 | 0.96 | 4,646 | 0.180 | 836.33 | 3,183.44 |
| 5 | 0.95 | 4,598 | 0.188 | 862.11 | 4,045.55 |
| 6 | 0.94 | 4,550 | 0.195 | 887.15 | 4,932.71 |
| 7 | 0.93 | 4,501 | 0.203 | 911.47 | 5,844.18 |
| 8 | 0.92 | 4,453 | 0.210 | 935.07 | 6,779.25 |
| 9 | 0.91 | 4,404 | 0.218 | 957.94 | 7,737.19 |
| 10 | 0.9 | 4,356 | 0.225 | 980.08 | 8,717.26 |
| 11 | 0.89 | 4,308 | 0.233 | 1,001.50 | 9,718.76 |
| 12 | 0.88 | 4,259 | 0.240 | 1,022.19 | 10,740.95 |
| 13 | 0.87 | 4,211 | 0.248 | 1,042.15 | 11,783.10 |
| 14 | 0.86 | 4,162 | 0.255 | 1,061.39 | 12,844.49 |
| 15 | 0.85 | 4,114 | 0.263 | 1,079.90 | 13,924.39 |
| 16 | 0.84 | 4,066 | 0.270 | 1,097.69 | 15,022.08 |
| 17 | 0.83 | 4,017 | 0.278 | 1,114.75 | 16,136.83 |
| 18 | 0.82 | 3,969 | 0.285 | 1,131.08 | 17,267.92 |
| 19 | 0.81 | 3,920 | 0.293 | 1,146.69 | 18,414.61 |
| 20 | 0.8 | 3,872 | 0.300 | 1,161.58 | 19,576.19 |