| 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: 13.35
At $0.15 per kWh = $2 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 | 4,824 | 0.158 | 759.78 | 759.78 |
| 2 | 0.98 | 4,775 | 0.165 | 787.92 | 1,547.71 |
| 3 | 0.97 | 4,727 | 0.173 | 815.33 | 2,363.04 |
| 4 | 0.96 | 4,678 | 0.180 | 842.01 | 3,205.05 |
| 5 | 0.95 | 4,629 | 0.188 | 867.96 | 4,073.01 |
| 6 | 0.94 | 4,580 | 0.195 | 893.18 | 4,966.18 |
| 7 | 0.93 | 4,532 | 0.203 | 917.66 | 5,883.85 |
| 8 | 0.92 | 4,483 | 0.210 | 941.42 | 6,825.26 |
| 9 | 0.91 | 4,434 | 0.218 | 964.44 | 7,789.70 |
| 10 | 0.9 | 4,385 | 0.225 | 986.73 | 8,776.43 |
| 11 | 0.89 | 4,337 | 0.233 | 1,008.29 | 9,784.73 |
| 12 | 0.88 | 4,288 | 0.240 | 1,029.12 | 10,813.85 |
| 13 | 0.87 | 4,239 | 0.248 | 1,049.22 | 11,863.08 |
| 14 | 0.86 | 4,191 | 0.255 | 1,068.59 | 12,931.67 |
| 15 | 0.85 | 4,142 | 0.263 | 1,087.23 | 14,018.90 |
| 16 | 0.84 | 4,093 | 0.270 | 1,105.14 | 15,124.04 |
| 17 | 0.83 | 4,044 | 0.278 | 1,122.32 | 16,246.36 |
| 18 | 0.82 | 3,996 | 0.285 | 1,138.76 | 17,385.12 |
| 19 | 0.81 | 3,947 | 0.293 | 1,154.48 | 18,539.60 |
| 20 | 0.8 | 3,898 | 0.300 | 1,169.46 | 19,709.06 |