Table: Energy savings measures

	Gas consumption saving (kWh)	Electrical consumption saving (kWh)	Gas energy cost saving ($)	Electricity cost saving ($)	Total cost saving ($)	Capital cost ($)	Simple payback period (years)
Partial recirculation of air	1,000,000	410,000	27,550	34,850	62,400	50,000	0.8
Higher standards of insulation in roof and walls	172,000	36,000	4738	3060	7798	55,000	7.0
High efficiency lighting system	(200,000)	560,000	(5510)	47,600	42,090	180,000	4.3
Non-air conditioning of AT&R wards and cultural health	-	110,000	-	9350	9350	Cost neutral	N/A
Low loss systems and high efficiency motors	-	64,000	-	5440	5440	12,000	2.2
Solar water heating to cultural health	16,000	-	440	-	440	8000	18.2
VAV air conditioning to specific areas	-	112,000	-	9520	9520	67,000	7.0
Total	988,000	1,292,000	27,218	109,820	137,038	372,000	2.7

Notes:

1. Maintenance costs of the energy saving measures are considered to be cost neutral when compared with benchmark systems.

2. Measures apply to new hospital only.