Table 4
Cost comparison with unscheduled scheme.
| Pricing scheme | Optimum points | Maximum power demand from the grid (kW) | Total demand from grid over the threshold (kWh) | Total demand from the grid (kWh) | CO2 emissions (kg) | Total cost (£) |
|---|---|---|---|---|---|---|
| RTP | A1 | 178.5 | – | 750.2 | 560.2 | 57 |
| B1 | 176.3 | – | 618.0 | 532 | 61 | |
| C3 | 167 | – | 631.9 | 510 | 69 | |
| 60 kW | A2 | 98.5 | 21 | 618.5 | 528 | 62 |
| B2 | 104.6 | 30 | 620.4 | 522.2 | 66 | |
| C3 | 118.2 | 160 | 624.8 | 514 | 72 | |
| 40 kW | A3 | 132.1 | 68 | 626.2 | 532.3 | 63 |
| B3 | 144.7 | 168 | 625.8 | 524 | 73 | |
| C3 | 152.2 | 296 | 622.4 | 512 | 79 | |
| 20 kW | A4 | 170.1 | 258 | 628.3 | 531.4 | 74 |
| B4 | 167.2 | 302 | 636.6 | 519 | 78 | |
| C4 | 163.6 | 38 | 644.7 | 513.6 | 85 | |
| DC | A5 | 83.4 | – | 619.2 | 529 | 72 |
| B5 | 87.9 | – | 619.2 | 518.7 | 75 | |
| C5 | 121.7 | – | 619.2 | 513 | 85 |
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