| 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: 13.45
At $0.15 per kWh = $2.02 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 | 4,860 | 0.158 | 765.47 | 765.47 |
| 2 | 0.98 | 4,811 | 0.165 | 793.83 | 1,559.30 |
| 3 | 0.97 | 4,762 | 0.173 | 821.44 | 2,380.74 |
| 4 | 0.96 | 4,713 | 0.180 | 848.32 | 3,229.06 |
| 5 | 0.95 | 4,664 | 0.188 | 874.46 | 4,103.52 |
| 6 | 0.94 | 4,615 | 0.195 | 899.87 | 5,003.38 |
| 7 | 0.93 | 4,566 | 0.203 | 924.53 | 5,927.92 |
| 8 | 0.92 | 4,517 | 0.210 | 948.47 | 6,876.39 |
| 9 | 0.91 | 4,467 | 0.218 | 971.66 | 7,848.05 |
| 10 | 0.9 | 4,418 | 0.225 | 994.12 | 8,842.17 |
| 11 | 0.89 | 4,369 | 0.233 | 1,015.85 | 9,858.02 |
| 12 | 0.88 | 4,320 | 0.240 | 1,036.83 | 10,894.85 |
| 13 | 0.87 | 4,271 | 0.248 | 1,057.08 | 11,951.94 |
| 14 | 0.86 | 4,222 | 0.255 | 1,076.60 | 13,028.54 |
| 15 | 0.85 | 4,173 | 0.263 | 1,095.38 | 14,123.91 |
| 16 | 0.84 | 4,124 | 0.270 | 1,113.42 | 15,237.33 |
| 17 | 0.83 | 4,075 | 0.278 | 1,130.72 | 16,368.05 |
| 18 | 0.82 | 4,026 | 0.285 | 1,147.29 | 17,515.34 |
| 19 | 0.81 | 3,976 | 0.293 | 1,163.12 | 18,678.47 |
| 20 | 0.8 | 3,927 | 0.300 | 1,178.22 | 19,856.69 |