| 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: 21.09
At $0.15 per kWh = $3.16 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 | 7,621 | 0.158 | 1,200.29 | 1,200.29 |
| 2 | 0.98 | 7,544 | 0.165 | 1,244.74 | 2,445.03 |
| 3 | 0.97 | 7,467 | 0.173 | 1,288.04 | 3,733.07 |
| 4 | 0.96 | 7,390 | 0.180 | 1,330.19 | 5,063.26 |
| 5 | 0.95 | 7,313 | 0.188 | 1,371.18 | 6,434.44 |
| 6 | 0.94 | 7,236 | 0.195 | 1,411.02 | 7,845.46 |
| 7 | 0.93 | 7,159 | 0.203 | 1,449.70 | 9,295.15 |
| 8 | 0.92 | 7,082 | 0.210 | 1,487.22 | 10,782.38 |
| 9 | 0.91 | 7,005 | 0.218 | 1,523.60 | 12,305.98 |
| 10 | 0.9 | 6,928 | 0.225 | 1,558.81 | 13,864.79 |
| 11 | 0.89 | 6,851 | 0.233 | 1,592.88 | 15,457.67 |
| 12 | 0.88 | 6,774 | 0.240 | 1,625.79 | 17,083.45 |
| 13 | 0.87 | 6,697 | 0.248 | 1,657.54 | 18,740.99 |
| 14 | 0.86 | 6,620 | 0.255 | 1,688.14 | 20,429.13 |
| 15 | 0.85 | 6,543 | 0.263 | 1,717.58 | 22,146.71 |
| 16 | 0.84 | 6,466 | 0.270 | 1,745.87 | 23,892.59 |
| 17 | 0.83 | 6,389 | 0.278 | 1,773.01 | 25,665.59 |
| 18 | 0.82 | 6,312 | 0.285 | 1,798.99 | 27,464.58 |
| 19 | 0.81 | 6,235 | 0.293 | 1,823.81 | 29,288.39 |
| 20 | 0.8 | 6,158 | 0.300 | 1,847.48 | 31,135.88 |