Table 14.

Cost benefits for the KSA government for the incentive program to upgrade existing residential AC units with energy efficient systems (i.e., EER = 13).

Action	Region
	Middle	Eastern	Western	Southern	KSA
Cost of the Incentive Program (Billion USD)	2.08	1.04	2.12	0.70	5.95
Annual Fuel Savingsa (Million of BOE/year)	18.58	11.26	19.70	5.95	55.49
Annual Income from Fuel Salesb (Million USD/year)	1.00	0.61	1.06	0.32	3.00
Simple Payback Period (Years)	2.08	1.71	1.99	2.19	1.99

^aElectricity generation average efficiency of 35.6% is used [39].

^bThe income is estimated from the difference in crude oil price between the international market (60 USD per barrel) and the preferential rate to KSA electricity producers (reported to be 5.94 USD per barrel [40]).