Mine ended up being an extra $100-$125 a month, but that's also with a 25,000 BTU A/C running along with the two 1000W lights.
cptcannabis Reviewed by cptcannabis on . Monthly cost of two Hps 1000 watt lights? about how much and it doent have to be exact, would it cost each month to have 2 hps 1000 watt lights, in 1 one room??????? and what is your monthly bill? in comparison? power bill/Electric Bill?? same thing.. I was thinking like between 150 to 300 extra a month in my power bill!! What do you think guys?? Rating: 5