| 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: 22.91
At $0.15 per kWh = $3.44 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 | 8,279 | 0.158 | 1,303.87 | 1,303.87 |
| 2 | 0.98 | 8,195 | 0.165 | 1,352.16 | 2,656.03 |
| 3 | 0.97 | 8,111 | 0.173 | 1,399.20 | 4,055.22 |
| 4 | 0.96 | 8,028 | 0.180 | 1,444.98 | 5,500.20 |
| 5 | 0.95 | 7,944 | 0.188 | 1,489.51 | 6,989.71 |
| 6 | 0.94 | 7,860 | 0.195 | 1,532.78 | 8,522.49 |
| 7 | 0.93 | 7,777 | 0.203 | 1,574.80 | 10,097.30 |
| 8 | 0.92 | 7,693 | 0.210 | 1,615.57 | 11,712.86 |
| 9 | 0.91 | 7,610 | 0.218 | 1,655.08 | 13,367.94 |
| 10 | 0.9 | 7,526 | 0.225 | 1,693.34 | 15,061.28 |
| 11 | 0.89 | 7,442 | 0.233 | 1,730.34 | 16,791.62 |
| 12 | 0.88 | 7,359 | 0.240 | 1,766.09 | 18,557.70 |
| 13 | 0.87 | 7,275 | 0.248 | 1,800.58 | 20,358.28 |
| 14 | 0.86 | 7,191 | 0.255 | 1,833.82 | 22,192.10 |
| 15 | 0.85 | 7,108 | 0.263 | 1,865.80 | 24,057.91 |
| 16 | 0.84 | 7,024 | 0.270 | 1,896.54 | 25,954.44 |
| 17 | 0.83 | 6,941 | 0.278 | 1,926.01 | 27,880.45 |
| 18 | 0.82 | 6,857 | 0.285 | 1,954.23 | 29,834.69 |
| 19 | 0.81 | 6,773 | 0.293 | 1,981.20 | 31,815.89 |
| 20 | 0.8 | 6,690 | 0.300 | 2,006.92 | 33,822.81 |