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A lot of electric rate contracts in a general home with are “Meter rate lighting. “The electric rate is decided to this regardless of time zone according to the electricity used. On the other hand, the unit price changes into “Midnight power” by time zone to use electricity, and time zone from midnight to the morning is a menu that becomes cheap. Then, it explains the midnight power.
It is about roughly 20 yen a kilowatt-hour in case of Tokyo Electric Power Company and the meter rate lighting. On the other hand, it becomes about 30 yen about ten yen or less in time zone in the midnight power in daytime at nighttime. In a word, the time zone in daytime is to rise though time zone becomes cheap at nighttime when making it to the midnight power.
The relation between time zone and the charge of the electric power menu is seen enumerating it as an example of Tokyo Electric Power Company at midnight. The electric power menu has “Profitable night 8″, “Profitable night 10″, and “Good electrification” at the midnight of Tokyo Electric Power Company.
Is “Profitable night 10″ 10:00PM?Is eight o’clock of next morning time zone at nighttime, and is “Profitable night 8″ 11:00PM?Seven o’clock of next morning is time zone at nighttime. In the difference, time zone is “Ten hours” and “Eight hours” at nighttimeMoreover, the charge unit price is also a little different. “Life style” will relate to the chosen point though everyone can basically choose this two. For instance, it often uses electricity because of getting breakfast ready etc. , and the television etc. might be turned on in the home where small and junior high school student’s children exist until about 11 o’clock until about 8 AM at night. As for such a home, “Night 10″ might be better though the unit price rises a little.
“Good electrification” is a morning and an evening. It is not possible to choose though it becomes cheap for time zone to use a lot of electricity if water heater for all electrification house “Eco-cuteness” etc. are not set up at night etc.
A lot of houses where the solar photovoltaic system is set up choose the midnight power. The electricity bill is suppressed to cheapness if it uses it without selecting the midnight power even if there is no photovoltaic generation, and using electricity as much as possible in daytime at time zone at nighttime. However, it is likely to be likely to have to use it by all means in daytime. And, it is necessary to use high electricity in daytime when it is a midnight power. Then, because electricity to which electricity is generated by sunlight can be used if there is a solar photovoltaic system, high electricity need not be bought from the electric power company.