Table 2 Scores for the technical sustainability dimension
From: Sustainability assessment of a micro hydropower plant in Nepal
Themes | Dimensional weighting (%) | Code | Indicators | Score | Notes on scoring | Theme score |
|---|---|---|---|---|---|---|
Usage | 30 | T1 | Serviceability performance of energy supply | 4 | Community is informed about the switching pattern; no continuous supply | 4.00 |
T2 | Load factor | 4 | Load factor is high as ballast load is attached | |||
T3 | Plant factor (downtime (days/year)) | 0 | Unable to score | |||
T4 | Design of the grid | 4 | Systematic approach | |||
Reliability | 15 | T5 | Maintenance program quality | 2 | No clear schedule communicated | 3.20 |
T6 | Quality of power | 4 | Fluctuations are generally not noticeable | |||
Efficiency | 30 | T7 | Capacity factor | 2 | Around 40% | 2.25 |
T8 | Machinery efficiency | 0 | Unable to score | |||
T9 | Grid efficiency and expansion possibility | 3 | Moderate costs | |||
Technology | 25 | T10 | Program of asset upgrades | 1 | No plan | 2.80 |
T11 | Possibility for upgrading/expansion | 3 | Turbine with higher efficiency can be installed | Â | ||
T12 | Replication of program in nearby villages | 5 | Can be built at multiple locations along the same river | Â | ||
Aggregated score—technical dimension | 3.06 | |||||