| 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: 13.33
At $0.15 per kWh = $2 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 | 4,817 | 0.158 | 758.65 | 758.65 |
| 2 | 0.98 | 4,768 | 0.165 | 786.74 | 1,545.39 |
| 3 | 0.97 | 4,719 | 0.173 | 814.11 | 2,359.50 |
| 4 | 0.96 | 4,671 | 0.180 | 840.75 | 3,200.25 |
| 5 | 0.95 | 4,622 | 0.188 | 866.66 | 4,066.91 |
| 6 | 0.94 | 4,574 | 0.195 | 891.84 | 4,958.75 |
| 7 | 0.93 | 4,525 | 0.203 | 916.29 | 5,875.03 |
| 8 | 0.92 | 4,476 | 0.210 | 940.00 | 6,815.04 |
| 9 | 0.91 | 4,428 | 0.218 | 962.99 | 7,778.03 |
| 10 | 0.9 | 4,379 | 0.225 | 985.25 | 8,763.28 |
| 11 | 0.89 | 4,330 | 0.233 | 1,006.78 | 9,770.07 |
| 12 | 0.88 | 4,282 | 0.240 | 1,027.58 | 10,797.65 |
| 13 | 0.87 | 4,233 | 0.248 | 1,047.65 | 11,845.30 |
| 14 | 0.86 | 4,184 | 0.255 | 1,066.99 | 12,912.30 |
| 15 | 0.85 | 4,136 | 0.263 | 1,085.60 | 13,997.90 |
| 16 | 0.84 | 4,087 | 0.270 | 1,103.48 | 15,101.38 |
| 17 | 0.83 | 4,038 | 0.278 | 1,120.63 | 16,222.02 |
| 18 | 0.82 | 3,990 | 0.285 | 1,137.06 | 17,359.07 |
| 19 | 0.81 | 3,941 | 0.293 | 1,152.75 | 18,511.82 |
| 20 | 0.8 | 3,892 | 0.300 | 1,167.71 | 19,679.53 |