| 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: 14.15
At $0.15 per kWh = $2.12 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 | 5,113 | 0.158 | 805.31 | 805.31 |
| 2 | 0.98 | 5,061 | 0.165 | 835.14 | 1,640.45 |
| 3 | 0.97 | 5,010 | 0.173 | 864.19 | 2,504.65 |
| 4 | 0.96 | 4,958 | 0.180 | 892.47 | 3,397.11 |
| 5 | 0.95 | 4,907 | 0.188 | 919.97 | 4,317.09 |
| 6 | 0.94 | 4,855 | 0.195 | 946.70 | 5,263.78 |
| 7 | 0.93 | 4,803 | 0.203 | 972.65 | 6,236.44 |
| 8 | 0.92 | 4,752 | 0.210 | 997.83 | 7,234.27 |
| 9 | 0.91 | 4,700 | 0.218 | 1,022.23 | 8,256.50 |
| 10 | 0.9 | 4,648 | 0.225 | 1,045.86 | 9,302.36 |
| 11 | 0.89 | 4,597 | 0.233 | 1,068.72 | 10,371.08 |
| 12 | 0.88 | 4,545 | 0.240 | 1,090.80 | 11,461.87 |
| 13 | 0.87 | 4,493 | 0.248 | 1,112.10 | 12,573.97 |
| 14 | 0.86 | 4,442 | 0.255 | 1,132.63 | 13,706.60 |
| 15 | 0.85 | 4,390 | 0.263 | 1,152.38 | 14,858.99 |
| 16 | 0.84 | 4,338 | 0.270 | 1,171.37 | 16,030.35 |
| 17 | 0.83 | 4,287 | 0.278 | 1,189.57 | 17,219.92 |
| 18 | 0.82 | 4,235 | 0.285 | 1,207.00 | 18,426.92 |
| 19 | 0.81 | 4,183 | 0.293 | 1,223.66 | 19,650.58 |
| 20 | 0.8 | 4,132 | 0.300 | 1,239.54 | 20,890.12 |