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Originally Posted by oil pan 4
What is the difference between the low rate and peak rate?
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Depends on your local tariffs I guess. For me the cost varies hour-by-hour with no pre-set low rate and peak rate. The highest peak I have seen is almost 100 times the lowest rate, but that is misleading. More typical would be 3 to 6 times.
Quote:
Originally Posted by oil pan 4
I have a feeling when rates are high, it might be in the middle of the day, so grid tied solar should be cheaper and more effective.
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Yes, for me the peak rates are during the day, but that doesn't mean solar would necessarily be effective. There are many days when solar would produce basically nothing so some kind of battery storage would be essential for avoiding peak rate usage.