| 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: 13.44
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 | 4,857 | 0.158 | 764.91 | 764.91 |
| 2 | 0.98 | 4,807 | 0.165 | 793.24 | 1,558.14 |
| 3 | 0.97 | 4,758 | 0.173 | 820.83 | 2,378.97 |
| 4 | 0.96 | 4,709 | 0.180 | 847.69 | 3,226.66 |
| 5 | 0.95 | 4,660 | 0.188 | 873.81 | 4,100.47 |
| 6 | 0.94 | 4,611 | 0.195 | 899.20 | 4,999.66 |
| 7 | 0.93 | 4,562 | 0.203 | 923.85 | 5,923.51 |
| 8 | 0.92 | 4,513 | 0.210 | 947.76 | 6,871.27 |
| 9 | 0.91 | 4,464 | 0.218 | 970.94 | 7,842.21 |
| 10 | 0.9 | 4,415 | 0.225 | 993.38 | 8,835.60 |
| 11 | 0.89 | 4,366 | 0.233 | 1,015.09 | 9,850.69 |
| 12 | 0.88 | 4,317 | 0.240 | 1,036.06 | 10,886.75 |
| 13 | 0.87 | 4,268 | 0.248 | 1,056.30 | 11,943.05 |
| 14 | 0.86 | 4,219 | 0.255 | 1,075.80 | 13,018.85 |
| 15 | 0.85 | 4,170 | 0.263 | 1,094.56 | 14,113.41 |
| 16 | 0.84 | 4,121 | 0.270 | 1,112.59 | 15,226.00 |
| 17 | 0.83 | 4,072 | 0.278 | 1,129.88 | 16,355.88 |
| 18 | 0.82 | 4,023 | 0.285 | 1,146.44 | 17,502.32 |
| 19 | 0.81 | 3,974 | 0.293 | 1,162.26 | 18,664.58 |
| 20 | 0.8 | 3,924 | 0.300 | 1,177.34 | 19,841.93 |