| 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: 20.19
At $0.15 per kWh = $3.03 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 | 7,296 | 0.158 | 1,149.07 | 1,149.07 |
| 2 | 0.98 | 7,222 | 0.165 | 1,191.62 | 2,340.69 |
| 3 | 0.97 | 7,148 | 0.173 | 1,233.08 | 3,573.77 |
| 4 | 0.96 | 7,075 | 0.180 | 1,273.42 | 4,847.19 |
| 5 | 0.95 | 7,001 | 0.188 | 1,312.67 | 6,159.86 |
| 6 | 0.94 | 6,927 | 0.195 | 1,350.80 | 7,510.66 |
| 7 | 0.93 | 6,853 | 0.203 | 1,387.83 | 8,898.49 |
| 8 | 0.92 | 6,780 | 0.210 | 1,423.76 | 10,322.25 |
| 9 | 0.91 | 6,706 | 0.218 | 1,458.58 | 11,780.83 |
| 10 | 0.9 | 6,632 | 0.225 | 1,492.29 | 13,273.12 |
| 11 | 0.89 | 6,559 | 0.233 | 1,524.90 | 14,798.02 |
| 12 | 0.88 | 6,485 | 0.240 | 1,556.41 | 16,354.43 |
| 13 | 0.87 | 6,411 | 0.248 | 1,586.81 | 17,941.24 |
| 14 | 0.86 | 6,338 | 0.255 | 1,616.10 | 19,557.33 |
| 15 | 0.85 | 6,264 | 0.263 | 1,644.29 | 21,201.62 |
| 16 | 0.84 | 6,190 | 0.270 | 1,671.37 | 22,872.99 |
| 17 | 0.83 | 6,117 | 0.278 | 1,697.35 | 24,570.33 |
| 18 | 0.82 | 6,043 | 0.285 | 1,722.22 | 26,292.55 |
| 19 | 0.81 | 5,969 | 0.293 | 1,745.98 | 28,038.53 |
| 20 | 0.8 | 5,895 | 0.300 | 1,768.64 | 29,807.18 |