Research Article
Standalone and Minigrid-Connected Solar Energy Systems for Rural Application in Rwanda: An In Situ Study
Table 5
Structure items and their expense for off-grid PV microgrid systems for the rural community.
| No. | Component | Rated capacity | Capital cost (USD) | Replacement cost (USD) | O&M cost/year (USD) | Lifetime (years) |
| 1 | Converter (system converter) | 10.0 kW | 21,164.00 | 16,000.00 | 8000.00 | 15 | 2 | Batteries (generic 1 kWh lead acid) | 1.0 kWh each | 1702.00 | 1000.00 | 60.00 | 10 | 3 | PV (generic flat plate) | 10.0 kW | 18,500.00 | 15,000.00 | 20.00 | 25 |
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