Security camera systems, as a whole, are not energy hungry and they are not costly to run as much as you might think as one Redditor gives us a clue of rough cost of running home security system with a DVR/NVR. For example, one of Hikvision DVRs uses 40 watts Maximum running on 100~240VAC, 6.3A or one of Dahua DVRs runs on DC12V/5A, using 60 watts.Ģ4/7 monitoring with DVR/NVR, in particular, will demand more power consumption down the road. Does DVR/NVR Use a Lot of ElectricityĭVR/NVR tend to use a bit more than CCTV security camera or PoE security camera. In general, security cameras, either CCTV analog cameras or PoE IP security cameras, are not energy-consuming as other gadgets like computers or bread toasters they only need a very little electricity to work.
A piece of advice, choose PoE switch carefully by estimating the maximum power draw per device and the number of PoE cameras. The power consumption of security cameras with different features such as IP cameras with IR illumination night vision and pan-tilt will be different from that of CCTV/IP security cameras without these functions, estimated roughly 2-4 watts bump.īesides, PoE (powered over Ethernet) security cameras might entail a PoE switch/injector which will add up a bit in power consumption. Or plugging your surveillance device to a Kill A Watt, so that it reads the power consumption. While others only list out information about the power supply, for example, Hikvision 12 VDC/500mA, you can do the math and calculate the energy consumption (wattages), simply, multiply the voltage by the CCTV camera amperage (current draw), which makes it 6 watts.
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