No, not mysteries, although even the experts do not know what you speak. The kW is a measure of power, a measure kWh of energy. This is so as before. We associations. For example, it says the speed of a car and km-h path. A car does not stop quickly if kept km. So is the kW: they indicate how much energy (kwh) can give an hour, but if we do not shut down (produces or absorbs) kWh. A power of 50 kW at the maximum is 50 kWh per hour. If off is 0 kWh. If the rule in half, remains a power of 50 kW, but produces 25 kWh per hour. In Italy
plants have a total capacity of 50-60 million kW. It does not mean that they produce 50-60 million kWh per hour, why not go to the central or most, or have failed, or - sometimes - are off.
As is the case for your system riscaldamenento, and summer is off: kWh production (or calories ... is the same thing as the miles and miles!) = 0. But the power plant is the same as in the winter!
But what do we pay? When we buy we pay kW plant, the power, like a car. When we pay for the kWh, because the more you want and need more fuel.
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