| Item | Data assumptions | Value |
| Electricity utility grid | Efficiency (%) | 30 |
| Service charge (THB/kWh) | 312.24 | |
| Demand charge (THB/kW) | 132.93 | |
| Energy price-on peak/off peak (THB/kWh) | 2.176/3.6796 | |
| Natural gas | Energy price (THB/mmB TU) | 350 |
| Air-conditioning system | Coefficient of performance (COP) | 3 |
| Lifetime (year) | 10 | |
| Capital cost (´103 THB/kW) | 5.2 | |
| Absorption chiller | Coefficient of performance (COP) | 1.1 |
| Lifetime (year) | 15 | |
| Capital cost (´103 THB/kW) | 15.48 | |
| Back-up natural gas boiler | Efficiency (%) | 85 |
| Lifetime (year) | 15 | |
| Micro-cogeneration Plant | Capacity (kW) | 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 |
| Electricity efficiency, hE (%) | 25, 30, 35, 40, 45 | |
| Heat recovery efficiency, hH (%) | 25, 30, 35, 40, 45 | |
| Capital cost (´103 THB/kW) | 64.52 | |
| Lifetime (year) | 15 | |
| Others | Interest rate (%) | 2 |