Table 3. Assumptions on energy use in dwellings.
| Category | Usage | Carbon Intensity |
|---|---|---|
| Cooking | 13.3 kg LPG per month per household in all settlement types (D’Sa and Murthy 2004), assuming a calorific content of 45,750 kJ/kg (Natarajan et al. 2008) |
0.2147 kg CO2 per kWh (Carbon Trust 2011) |
| Lighting | Estimated from (TERI 2007) to be: Bedrooms – 60 W bulbs 2hrs/day Living rooms 60 W bulbs 5hrs/day Bathrooms 55 W tube lighting 2hrs/day Kitchens 55 W tube lighting 2hrs/day |
0.943 kG CO2 per kWh was assumed (IEA 2007) |
| Appliances | 120 W TVs was calculated in all settlements 5hrs/day (TERI 2007) 200 W refrigerator was assumed to be always on (TERI 2007) |
|
| Cooling | Fans (60 W) turned on in all dwellings when hourly external temperatures exceed 26.2°C during occupied hours in bedrooms and living rooms (Indraganti 2011). The external temperature was taken from a typical weather file for the location of Delhi, commonly used for building simulation (Indian Society of Heating Refrigerating and Air-Conditioning Engineers) | |
| Air coolers (200 W) (used in unauthorised and urban villages) and A/C units (1750 W) (used in planned) turned on when external temperatures exceed 28.5 and 31.3°C respectively in occupied bedrooms and living rooms (Indraganti 2011) |