| 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: 23.13
At $0.15 per kWh = $3.47 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 | 8,358 | 0.158 | 1,316.39 | 1,316.39 |
| 2 | 0.98 | 8,274 | 0.165 | 1,365.14 | 2,681.53 |
| 3 | 0.97 | 8,189 | 0.173 | 1,412.63 | 4,094.17 |
| 4 | 0.96 | 8,105 | 0.180 | 1,458.86 | 5,553.02 |
| 5 | 0.95 | 8,020 | 0.188 | 1,503.81 | 7,056.83 |
| 6 | 0.94 | 7,936 | 0.195 | 1,547.50 | 8,604.33 |
| 7 | 0.93 | 7,851 | 0.203 | 1,589.92 | 10,194.26 |
| 8 | 0.92 | 7,767 | 0.210 | 1,631.08 | 11,825.34 |
| 9 | 0.91 | 7,683 | 0.218 | 1,670.97 | 13,496.31 |
| 10 | 0.9 | 7,598 | 0.225 | 1,709.60 | 15,205.91 |
| 11 | 0.89 | 7,514 | 0.233 | 1,746.95 | 16,952.86 |
| 12 | 0.88 | 7,429 | 0.240 | 1,783.05 | 18,735.91 |
| 13 | 0.87 | 7,345 | 0.248 | 1,817.87 | 20,553.78 |
| 14 | 0.86 | 7,261 | 0.255 | 1,851.43 | 22,405.21 |
| 15 | 0.85 | 7,176 | 0.263 | 1,883.72 | 24,288.93 |
| 16 | 0.84 | 7,092 | 0.270 | 1,914.75 | 26,203.68 |
| 17 | 0.83 | 7,007 | 0.278 | 1,944.51 | 28,148.18 |
| 18 | 0.82 | 6,923 | 0.285 | 1,973.00 | 30,121.18 |
| 19 | 0.81 | 6,838 | 0.293 | 2,000.23 | 32,121.41 |
| 20 | 0.8 | 6,754 | 0.300 | 2,026.19 | 34,147.60 |