| 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: 13.46
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 | 4,864 | 0.158 | 766.04 | 766.04 |
| 2 | 0.98 | 4,815 | 0.165 | 794.42 | 1,560.46 |
| 3 | 0.97 | 4,766 | 0.173 | 822.05 | 2,382.51 |
| 4 | 0.96 | 4,716 | 0.180 | 848.95 | 3,231.46 |
| 5 | 0.95 | 4,667 | 0.188 | 875.11 | 4,106.57 |
| 6 | 0.94 | 4,618 | 0.195 | 900.53 | 5,007.10 |
| 7 | 0.93 | 4,569 | 0.203 | 925.22 | 5,932.33 |
| 8 | 0.92 | 4,520 | 0.210 | 949.17 | 6,881.50 |
| 9 | 0.91 | 4,471 | 0.218 | 972.39 | 7,853.88 |
| 10 | 0.9 | 4,422 | 0.225 | 994.86 | 8,848.75 |
| 11 | 0.89 | 4,372 | 0.233 | 1,016.60 | 9,865.35 |
| 12 | 0.88 | 4,323 | 0.240 | 1,037.60 | 10,902.95 |
| 13 | 0.87 | 4,274 | 0.248 | 1,057.87 | 11,960.82 |
| 14 | 0.86 | 4,225 | 0.255 | 1,077.40 | 13,038.22 |
| 15 | 0.85 | 4,176 | 0.263 | 1,096.19 | 14,134.41 |
| 16 | 0.84 | 4,127 | 0.270 | 1,114.25 | 15,248.66 |
| 17 | 0.83 | 4,078 | 0.278 | 1,131.56 | 16,380.22 |
| 18 | 0.82 | 4,029 | 0.285 | 1,148.14 | 17,528.37 |
| 19 | 0.81 | 3,979 | 0.293 | 1,163.99 | 18,692.36 |
| 20 | 0.8 | 3,930 | 0.300 | 1,179.10 | 19,871.45 |