Synthesis of Trigeneration Systems: Sensitivity Analyses and Resilience

Table 6

Sensitivity analysis for fam considering the base case configuration.

fam (yr^−1)	0.10	0.15	0.20	0.25	0.30
System composition
Gas engines	3	3	3	3	3
Hot water boilers	3	3	3	3	3
Heat exchangers	4	4	4	4	4
Absorption chillers	1	1	1	1	1
Mechanical chillers	3	3	3	3	3
Cooling towers	3	3	3	3	3
Natural gas (total) MWh/yr	37,324	37,324	37,324	37,324	37,324
Purchased electricity MWh/yr	29	29	29	29	29
Sold electricity MWh/yr	11,389	11,389	11,389	11,389	11,389
Natural gas (cogeneration) MWh/yr	36,638	36,638	36,638	36,638	36,638
Cogenerated electricity MWh/yr	14,954	14,954	14,954	14,954	14,954
Cogenerated useful heat MWh/yr	8602	8602	8602	8602	8602
Primary energy savings %	10.01	10.01	10.01	10.01	10.01
Equivalent electrical efficiency %	55.22	55.22	55.22	55.22	55.22
Annual fixed cost €/yr	255,415	383,122	510,830	638,538	766,245
Cost of natural gas €/yr	933,092	933,092	933,092	933,092	933,092
Cost of electricity €/yr	3207	3207	3207	3207	3207
Profit with the sale of electricity €/yr	−876,960	−876,960	−876,960	−876,960	−876,960
Annual total cost €/yr	314,754	442,462	570,169	697,877	825,584