Energy and Daylighting Evaluation of Integrated Semitransparent Photovoltaic Windows with Internal Light Shelves in Open-Office Buildings

Table 18

The maximum and optimum energy saving percentages of STPV combined with ILS configurations in different climates regions.

Configurations	Riyadh city				London city				Kuala Lumpur city				Algiers city
	South	East	North	West	South	East	North	West	South	East	North	West	South	East	North	West
STPV 10%	0.53	0.69	0.15	0.52	−0.14	0.67	−0.24	0.50	0.30	0.53	0.22	0.50	0.62	0.74	0.12	0.69
STPV 20%	0.49	0.64	0.13	0.45	−0.15	0.64	−0.25	0.41	0.27	0.49	0.20	0.44	0.56	0.72	0.08	0.60
STPV 30%	0.46	0.63	0.11	0.40	−0.10	0.72	−0.23	0.35	0.24	0.45	0.18	0.36	0.52	0.59	0.06	0.53
STPV 10% 75%	0.85	0.69	0.72	0.23	0.93	0.83	0.74	0.54	0.72	0.46	0.67	0.40	0.87	0.76	0.64	0.64
STPV 20% 75%	0.83	0.63	0.72	0.20	0.89	0.77	0.76	0.51	0.70	0.43	0.66	0.37	0.83	0.71	0.64	0.59
STPV 30% 75%	0.78	0.55	0.70	0.18	0.83	0.68	0.75	0.44	0.67	0.36	0.63	0.32	0.75	0.52	0.63	0.52
STPV 10% 50%	0.76	0.49	0.68	0.35	0.83	0.62	0.76	0.41	0.65	0.30	0.61	0.26	0.70	0.53	0.58	0.46
STPV 20% 50%	0.74	0.44	0.68	0.31	0.80	0.57	0.76	0.39	0.64	0.28	0.61	0.25	0.66	0.49	0.59	0.43
STPV 30% 50%	0.71	0.38	0.68	0.27	0.77	0.50	0.79	0.37	0.62	0.24	0.60	0.22	0.61	0.38	0.60	0.39
Optimum performance of STPV configurations (maximum energy saving + visual comfort)
Maximum energy saving of STPV configurations