| 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: 13.96
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 | 5,044 | 0.158 | 794.50 | 794.50 |
| 2 | 0.98 | 4,993 | 0.165 | 823.93 | 1,618.43 |
| 3 | 0.97 | 4,943 | 0.173 | 852.59 | 2,471.01 |
| 4 | 0.96 | 4,892 | 0.180 | 880.49 | 3,351.50 |
| 5 | 0.95 | 4,841 | 0.188 | 907.62 | 4,259.12 |
| 6 | 0.94 | 4,790 | 0.195 | 933.99 | 5,193.10 |
| 7 | 0.93 | 4,739 | 0.203 | 959.59 | 6,152.70 |
| 8 | 0.92 | 4,688 | 0.210 | 984.43 | 7,137.13 |
| 9 | 0.91 | 4,637 | 0.218 | 1,008.51 | 8,145.63 |
| 10 | 0.9 | 4,586 | 0.225 | 1,031.82 | 9,177.45 |
| 11 | 0.89 | 4,535 | 0.233 | 1,054.37 | 10,231.82 |
| 12 | 0.88 | 4,484 | 0.240 | 1,076.15 | 11,307.97 |
| 13 | 0.87 | 4,433 | 0.248 | 1,097.17 | 12,405.13 |
| 14 | 0.86 | 4,382 | 0.255 | 1,117.42 | 13,522.55 |
| 15 | 0.85 | 4,331 | 0.263 | 1,136.91 | 14,659.47 |
| 16 | 0.84 | 4,280 | 0.270 | 1,155.64 | 15,815.10 |
| 17 | 0.83 | 4,229 | 0.278 | 1,173.60 | 16,988.70 |
| 18 | 0.82 | 4,178 | 0.285 | 1,190.79 | 18,179.50 |
| 19 | 0.81 | 4,127 | 0.293 | 1,207.23 | 19,386.72 |
| 20 | 0.8 | 4,076 | 0.300 | 1,222.90 | 20,609.62 |