## How Electric Power is Measured in Watts

Talking to many solar power consumers everyday, I’ve noticed one of the common issues people have a difficult time understanding how watts are measured. This post is dedicated to help you understand how watts are measured as kilowatt hours (kWh). We buy electricity in kWh from our utility company, which typically displayed on our monthly electric bill. To understand how much energy a solar power system will produce, you need to understand the following metrics. Kilowatt (kW) = 1,000 Watts Megawatt (MW) = 1,000,000 Watts So what is a kWh? Lets say you have a 100 watt light bulb and you run it for one hour, at that point you have consumed 100 watt hours and if you run that light bulb for 10 hours you would have used 1 kWh. 1,000 watt hours = Kilowatt Hour (kWh) 1,000,000 watt hours = Megawatt Hour (MWh) For example, If you purchased a Sanyo 1.0 kW solar power system and lived in Los Angeles which has average sun hours of 5.5 per day, the system would produce 5.5 kWh per day depending on the pitch, orientation, possible shading issues and other...

## Do you think your electric rate is too high?

I was looking at this interesting chart of the average utility electric rates here in the USA published by the Department of Energy. It’s really interesting to see what people are paying on average per kWh (kilowatt hour), especially if you are considering solar power to offset or eliminate your electric usage. Solar Power without rebates and tax credits typically produces electricity for a solar power system owner at about 15 cents per kWh, therefore states with rates in the range of 10.26 to 24.13 cents per kWh will see a quicker financial payback period with solar panels since the cost of electricity is higher. Take a look at Hawaii, they have the highest electric rate in the USA! Does your electric bill match with the average for your state? Why do you think the electric rate in your state is what it is? Do you think solar panels will make a good investment in your neck of the woods, why or why...