This study aimed to compare the performance of incandescent lamps and LED lamps, regarding the consumption of electricity and the economic viability of these lighting systems in broiler houses in western Paraná State, Brazil. The study was conducted to compare the power consumption in two broiler houses of the dark house type in São Miguel do Iguaçu, Paraná, Brazil; one lighting system with incandescent lamps and the other one with LED lamps. The power consumption was measured in the two lighting systems, using meters of electrical quantities Landis Gyr+ during the housing period of a batch of poultry corresponding to 43 days. Then, the energy consumption was calculated per bird housed, by mass of live chicken and aviary unit area. With the electricity tariff values for rural consumers, there was an evaluation of the economic viability of lighting systems by the method of net present value (NPV) method and the discounted payback. The main results showed that throughout the period of broiler chickens housing, in the aviary with incandescent lamps 1,768 kWh in lighting was consumed, while the aviary with LED lamps consumed 221 kWh. The economic feasibility analysis showed that the use of LED lamps presented greater economy, and has a return on investment within a period of 21 months.
Key words: Energy consumption, lighting systems, broiler house.
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