Of course we use HEATERS, what I mean is our 1,600kWh consumption this winter cost highier than a 1,600kWh during summer?
To schwildcat1977 : Yes the consumption is the same with that certain month last summer, since heatwave hits California so were always turning on the aircon. I lost the detailed charges of that month, only the total consumption so I can’t compare.
I work for an electric company. In all states electric companies are allowed to recover the cost of the fuel used to provide the power. If the power plants in your service area are natural gas feed, you’ll see a higher jump in the winter than in the summer. Its the result of supply and demand. If the plants use coal, you should see a pretty stable cost over the year. A number of states this year experienced a hugh jump in electrical cost because rate controls expired, you might be in one of those states.
If your electric company had several power plants down for maintence this winter, they may be buying power from other companies and that is always more expensive than producing it "yourself".
If you use the same number of kw in both months, the cost difference is in the cost of the fuel and the service fees to deliver the power to your house, and any rate increases in the last 6-8 months.

my guess would be that your gas costs are included in the bills and since you are using little to none in the summer, it is showing up in the winter
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That is not related to summer or winter, but to the price of energy, which is related to the cost of oil. You must have noticed that the cost of gas has risen since the summer, and it seems very likely that your energy supplier has raised their rates because of that.
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Kind of disgusting that some oil executives are making more money each year…and they see nothing wrong with the fact that their consumers can’t even afford to heat their homes, ain’t it?
You gotta get a second job just to keep your house @ 72 degrees!!!
(*yeah, I’m bitter)
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your question doesn’t make much sense………are you trying to say the the rate charged is different or the amount used is different?
the amount used is going to be different but the rate charged should be the same. If its the rate that is the question – check with your power company bc that’s a little strange.
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heat
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The cost of the fuel to make the electricity is higher in winter (more in demand, so price goes up). So, the electricity itself is higher.
There are also other effects that might not even come to mind. For example, I read today that they might have to shut down a number of nuclear reactors in the south because of the drought conditions there. The rivers that provide cooling water for the nuclear plants are so low that they won’t adequately cool the power plants. If these plants go down, then there is less electricity available on the grid and the price goes up (supply and demand again).
Not to mention the cost of maintenance and repair in the midwestern winter would be a lot greater than in the summer.
Plus, the utility companies know they have us by the cajones in winter. No gas or electricity, and we die of cold. So, they know we’ll pay for it, regardless of the cost.
Lots of factors.
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I work for an electric company. In all states electric companies are allowed to recover the cost of the fuel used to provide the power. If the power plants in your service area are natural gas feed, you’ll see a higher jump in the winter than in the summer. Its the result of supply and demand. If the plants use coal, you should see a pretty stable cost over the year. A number of states this year experienced a hugh jump in electrical cost because rate controls expired, you might be in one of those states.
If your electric company had several power plants down for maintence this winter, they may be buying power from other companies and that is always more expensive than producing it "yourself".
If you use the same number of kw in both months, the cost difference is in the cost of the fuel and the service fees to deliver the power to your house, and any rate increases in the last 6-8 months.
References :