Solar Water Heating as a Potential Source for Inland Norway Energy Mix

Table 3

Annual energy savings and economic attributes.

Output parameters	Base case-no incentive		Scenario case-20% incentive
	Flat plate	Tubular	Flat plate	Tubular
Solar fraction (%)	48	62	48	62
Energy saving (kWh)	1614	2035	1614	2035
Net present value ($)	512	914	1164	1707
Payback period (year)	11.51	11	9.9	9.46
IRR (%)	7.26	7.85	9.31	10