Research Article
Advancing the Adoption of Net Metering: An Economic Assessment of Grid-Tied Solar Photovoltaic Systems in Urban Homes in Ghana
Table 13
Impact of increasing tariff on payback period for enhanced daytime consumption scenario.
| | City | Tariff | Initial | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% | 100% |
| | Accra | BLK | 22.6 | 16.3 | 13.3 | 11.2 | 9.8 | 8.7 | 7.9 | 7.2 | 6.6 | 6.1 | 5.7 | | ToU1 | >25 | >25 | 23.4 | 17.4 | 14.4 | 12.3 | 10.9 | 9.7 | 8.9 | 8.1 | 7.5 | | ToU2 | >25 | >25 | 22.7 | 17.1 | 14.2 | 12.2 | 10.8 | 9.6 | 8.8 | 8 | 7.4 | | ToU3 | >25 | >25 | >25 | 18.1 | 14.9 | 12.7 | 11.2 | 10 | 9.1 | 8.3 | 7.7 | | ToU4 | >25 | 23.3 | 17.3 | 14 | 12 | 10.5 | 9.4 | 8.5 | 7.7 | 7.1 | 6.6 | | ToU5 | 17.4 | 13.6 | 11.4 | 9.8 | 8.7 | 7.7 | 7 | 6.4 | 5.9 | 5.5 | 5.2 |
| | Sunyani | BLK | 18.7 | 14.3 | 11.9 | 10.2 | 9 | 8 | 7.3 | 6.7 | 6.2 | 5.7 | 5.3 | | ToU1 | >25 | >25 | 23.4 | 17.4 | 14.4 | 12.3 | 10.9 | 9.7 | 8.9 | 8.1 | 7.5 | | ToU2 | >25 | >25 | 23.4 | 17.4 | 14.4 | 12.3 | 10.9 | 9.7 | 8.9 | 8.1 | 7.5 | | ToU3 | >25 | >25 | 23.4 | 17.4 | 14.4 | 12.3 | 10.9 | 9.7 | 8.8 | 8.1 | 7.5 | | ToU4 | >25 | 22.1 | 16.7 | 13.6 | 11.7 | 10.2 | 9.2 | 8.3 | 7.6 | 7 | 6.5 | | ToU5 | 15.6 | 12.4 | 10.6 | 9.1 | 8.1 | 7.3 | 6.6 | 6.1 | 5.6 | 5.2 | 4.9 |
| | Navrongo | BLK | 18.7 | 14.3 | 11.9 | 10.2 | 9 | 8 | 7.3 | 6.7 | 6.2 | 5.7 | 5.3 | | ToU1 | >25 | >25 | 23.4 | 17.4 | 14.4 | 12.3 | 10.9 | 9.7 | 8.9 | 8.1 | 7.5 | | ToU2 | >25 | >25 | 22.3 | 16.8 | 14 | 12 | 10.7 | 9.6 | 8.7 | 7.9 | 7.4 | | ToU3 | >25 | >25 | 21 | 16.2 | 13.6 | 11.7 | 10.4 | 9.3 | 8.5 | 7.8 | 7.2 | | ToU4 | >25 | 20.2 | 15.7 | 12.9 | 11.1 | 9.8 | 8.8 | 8 | 7.3 | 6.7 | 6.3 | | ToU5 | 15.1 | 12.2 | 10.3 | 8.9 | 8 | 7.2 | 6.5 | 6 | 5.5 | 5.1 | 4.8 |
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