Enhanced genetic algorithm optimization model for a single reservoir operation based on hydropower generation: case study of Mosul reservoir, northern Iraq

Table 4 The increments and decrements of hydropower as a percentage using the GAOM with the two algorithms compared with the observed hydropower generated

Years	Observed hydropower generated (GWh)	Percentage of increment/decrement using the Falg (%)	Percentage of increment/decrement using the Salg (%)	Percentage of increment/decrement using the Salg adding Ev. and Pr. (%)
1989–1990	2521	0.11	1.83	−*0.29*
1990–1991	1277	33.26	36.25	29.93
1991–1992	2705	13.68	15.97	12.88
1992–1993	3470	2.76	3.09	1.20
1993–1994	2561	−*3.46*	−*0.82*	−*3.68*
1994–1995	3710	0.43	0.87	−*1.34*
1995–1996	2516	5.38	7.18	3.98
1996–1997	2645	−*4.46*	−*1.93*	−*6.29*
1997–1998	2465	5.05	5.32	2.86
1998–1999	1189	8.23	16.77	10.29
1999–2000	1084	15.60	24.17	16.67
2000–2001	1571	−*3.99*	−*1.79*	−*7.01*
2001–2002	2524	1.71	1.94	−*0.88*
2002–2003	2517	24.37	24.86	21.62
2003–2004	2935	0.37	0.81	−*1.82*
2004–2005	2193	5.88	7.49	3.32
2005–2006	2284	24.87	26.95	23.39
2006–2007	1586	56.56	57.42	52.29
2007–2008	1076	13.65	16.80	11.91
2008–2009	1650	1.35	5.11	0.39

The italics indicate to the increments of hydropower as percentages, whilst the bold italics indicate to the decrements of hydropower as percentages, achieved using the GAOM compared with the observed hydropower generated