Experimental and Techno-Economic Analysis of Solar-Geothermal Organic Rankine Cycle Technology for Power Generation in Nepal

Table 5

Boundary conditions for estimation for economic indices.

Description	Working fluids
	R134a	R245fa
Heat source temperature (with geothermal/with solar, °C)	70/100	70/120
Power output (with geothermal/with solar, kW)	17.5/25	22.5/30
Annual electrical power generation (geothermal source only, kWh)	94500	121500
Annual electrical power generation (solar source only, kWh)	45000	54000
Annual electrical power generation (hybrid ORC, kWh)	139500	175500
Total cost of the hybrid ORC system ($)	295000	306000
Annual equivalent cost ($)	23671.56	24554.23
Cost of electricity production from the hybrid ORC system ($/kWh)	0.17	0.14