| 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: 13.58
At $0.15 per kWh = $2.04 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 | 4,907 | 0.158 | 772.87 | 772.87 |
| 2 | 0.98 | 4,858 | 0.165 | 801.50 | 1,574.37 |
| 3 | 0.97 | 4,808 | 0.173 | 829.38 | 2,403.75 |
| 4 | 0.96 | 4,758 | 0.180 | 856.52 | 3,260.27 |
| 5 | 0.95 | 4,709 | 0.188 | 882.91 | 4,143.18 |
| 6 | 0.94 | 4,659 | 0.195 | 908.56 | 5,051.74 |
| 7 | 0.93 | 4,610 | 0.203 | 933.47 | 5,985.22 |
| 8 | 0.92 | 4,560 | 0.210 | 957.63 | 6,942.85 |
| 9 | 0.91 | 4,511 | 0.218 | 981.05 | 7,923.90 |
| 10 | 0.9 | 4,461 | 0.225 | 1,003.73 | 8,927.64 |
| 11 | 0.89 | 4,411 | 0.233 | 1,025.67 | 9,953.30 |
| 12 | 0.88 | 4,362 | 0.240 | 1,046.86 | 11,000.16 |
| 13 | 0.87 | 4,312 | 0.248 | 1,067.30 | 12,067.46 |
| 14 | 0.86 | 4,263 | 0.255 | 1,087.00 | 13,154.46 |
| 15 | 0.85 | 4,213 | 0.263 | 1,105.96 | 14,260.43 |
| 16 | 0.84 | 4,164 | 0.270 | 1,124.18 | 15,384.61 |
| 17 | 0.83 | 4,114 | 0.278 | 1,141.65 | 16,526.26 |
| 18 | 0.82 | 4,064 | 0.285 | 1,158.38 | 17,684.64 |
| 19 | 0.81 | 4,015 | 0.293 | 1,174.37 | 18,859.00 |
| 20 | 0.8 | 3,965 | 0.300 | 1,189.61 | 20,048.61 |